An automobile accelerates at the rate of 57 m/s² with a final velocity of 15 m/s. Then, the distance covered by the automobile will be equal to 1.97 meters.
What is Acceleration?A moving object's speed and orientation vary over time at a certain rate, which is known as acceleration.
An object or location is considered to be accelerated when it moves more quickly or more slowly in a straight path. A circle's motion increases despite its constant speed because its direction is always changing. For all other motions, by and to velocity is used.
Because of its magnitude and direction, it is a vector quantity.
As per the given information in the question,
Acceleration, a = 57 m/s²
Final velocity, v = 15 m/s
Use the equation of motion,
v² - u² = 2as
Put the values in the equation,
15² - 0 = 2(57)(s)
s = 225/114
s = 1.97 meters.
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Please sb help me fr
Answer:
I think it might be box 1. Hope this is right have a good day
me lo traduses plis no se ingles solo escribe lo que dice en la guia
During which moon phase do spring tides occur?
new moon and full moon
first quarter and third quarter
waxing gibbous and waning gibbous
waxing crescent and waning crescent
pls help it is on edge
Answer:
The Full Moon and New Moon
Explanation:
what is the momentum of an object with 9.74 kg and 15 m/s?
Answer: 146.1 kg/m/s
Explanation: Momentum is equal to mass times velocity, so you do 9.74 kg times 15 m/s and get 146.1 kg/m/s.
10 minutes on the stove, the water molecules in the pot are in two different
states Identify the two different states of water molecules in the pot. Then, compare the
motion and the energy of these two types of water molecules,
Answer:
20 molcues
Explanation:
10 minutes on the stove, the water molecules in the pot are in two different states , the two different states are the liquid state and the gaseous state.
What is the matter ?Anything which has mass and occupies space is known as matter, mainly there are four states of matter solid liquid gas, and plasma .
These different states of matter have different characteristics according to which they vary their volume and shape .
As given in the problem 10 minutes on the stove , the water molecules in the pot are in two different states , the two different states are liquid state and the gaseous state ,
The gaseous state of the water molecules has higher energy and then motion as compared to the liquid state of the water molecule .
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The process by which weak nuclear forces in carbon-14 isotopes transform a neutron into a patron an electron is called wht
Answer:
beta decay.
Explanation:
THIS IS THE COMPLETE QUESTION BELOW;
The process by which weak nuclear forces in carbon-14 isotopes transform a neutron into a proton while releasing an electron is called ______
Beta decay (β-decay) can be regarded as type of radioactive decay whereby
a beta particle whereby fast energetic electron is been emmitted away from atomic nucleus, and the original nuclide is been transformed to isobar of the particular nuclide. The process Beta decay can make unstable atoms to be more stable. The two types of beta decay are;
✓beta-minus
✓beta-plus. It should be noted that the process by which weak nuclear forces in carbon-14 isotopes transform a neutron into a proton while releasing an electron is called beta decay.
CHECK ATTACHMENT FOR EXAMPLE OF BETA DECAY EQUATION
If a wave has a wavelength of 10 m and a speed of 2.5×108 m/s (this is 250000000 m/s) what is the frequency of the wave?
Answer:
The wavelength result is 3 m. Most common velocities: Light in vacuum (air) = 300,000 km/s. Light in water = 225,000 km/s. Sound in air = 340 m/s. Sound
Explanation:
the answer is 3m
The input work on a pulleysystem is75 j. The pulley system is 84% efficient, then what is the output work from the pulley
Answer:
63 J
Explanation:
Efficiency = work out / work in
0.84 = W / 75 J
W = 63 J
CAN SOMEONE PLEASE TELL ME WHAT THIS WHEEL IS CALLED.WILL GIVE BRAINLIEST
Answer:
its a pie chart
Explanation:
.........................
Answer:
its a pie chart?
Explanation:
.......
What happens to the the eardrum, a thin membrane at the end of the ear canal, when it is struck by a sound wave?
a) It vibrates.
b) It closes.
c) It rotates.
d) It inverts.
A glass of milk at 50 °C was kept in the open. After 10 minutes, the milk became cooler. Which statement is correct?
The temperature of the surrounding air was less than 50 °C.
The temperature of the surrounding air was greater than 50 °C.
The final temperature of the milk was less than the final temperature of the surrounding air.
The final temperature of the milk was greater than the final temperature of the surrounding air.
Answer:
The temperature of the surrounding air was less than 50c
Explanation:
Answer:
A: The temperature of the surrounding air was less than 50 °C.
Explanation:
This is correct, i took the test and got it right. <3
How many parts of oxygen do you need for
each part of acetylene for a neutral
flame?
If a car accelerates from rest at a constant 4 m/s
, how long will it take for the car to reach a
velocity of 28 m/s?
Answer:
The time it will take for the car to reach a velocity of 28 m/s is 7 seconds
Explanation:
The parameters of the car are;
The acceleration of the car, a = 4 m/s²
The final velocity of the car, v = 28 m/s
The initial velocity of the car, u = 0 m/s (The car starts from rest)
The kinematic equation that can be used for finding (the time) how long it will take for the car to reach a velocity of 28 m/s is given as follows;
v = u + a·t
Where;
v = The final velocity of the car, v = 28 m/s
u = The initial velocity of the car = 0 m/s
a = The acceleration of the car = 4 m/s²
t = =The time it will take for the car to reach a velocity of 28 m/s
Therefore, we get;
t = (v - u)/a
t = (28 m/s - 0 m/s)/(4 m/s²) = 7 s
The time it will take for the car to reach a velocity of 28 m/s, t = 7 seconds.
What has increased the concentration of atmospheric carbon dioxide (CO2)?
Answer:
Carbon dioxide concentrations are rising mostly because of the fossil fuels that people are burning for energy.
a rocket engine applies a force of 50000 N for a distance of 20 m. how much work is done?
Answer:
1000000Nm
Explanation:
W=force*distance
50000*20
(True/False) According to Newton’s third law of motion, it is true that an object moving at a constant speed in a straight path will continue to do so until a net force acts upon it.
The statement itself is true. But to be completely and compulsively correct, that's Newton's FIRST law of motion, not the third.
If a 96 n force of gravity is happening to a falling basketball what is the ball mass? The accelydue to gravity is 9.8m/s^2
Answer:
9.80 kg
Explanation:
F = ma
96 N = m(9.8 m/s^2)
m = 9.80 kg
The mass of the ball will be m= 9.8 kg
What is Newton's second law of motion?
It states that the force is equal to the rate of change of momentum . For a constant mass , force is equal to mass times acceleration
given :
Force due to gravity = 96 N
g = acceleration due to gravity = 9.8 m /s^2
using Newton's second law of motion
Since , F = ma
96 = m g
m = 96/9.8
m= 9.8 kg
The mass of the ball will be m= 9.8 kg
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If an owl produces two pellets every 24 hours and each pellet contains the remains of 3 prey, how much does it eat in a week? A month?
The owl eats 42 prey in a week and 180 prey in a month.
To calculate how much the owl eats in a week and a month, we need to determine the number of prey consumed in each time period.
In a week:
The owl produces two pellets every 24 hours. So, in one day, it consumes 2 * 3 = 6 prey (since each pellet contains the remains of 3 prey).
In a week (7 days), the owl consumes 6 * 7 = 42 prey.
In a month:
Assuming a month has 30 days (though some months have 31 days or 28/29 days), we can calculate the number of prey consumed in a month.
In a day: 6 prey
In a month (30 days): 6 * 30 = 180 prey.
Hence, the owl eats 42 prey in a week and 180 prey in a month.
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If an element has 20 protons and 20 neutrons in the nucleus of its atoms , what is the mass number of the atom?
Answer:
A=z+n
A=20+20
A=40
Explanation:
Not sure if I'm correct but I was taught that mass number is calculated by A=z+n where A is the mass number, z is the proton number and n is the number of neutrons.
The offspring resulting from sexual reproduction are exactly like their parents.
false
true
Answer:
false
Explanation:
As both parents contribute half of the new organism's genetic material, the offspring will have traits of both parents, but will not be exactly like either parent
Answer:
False
Explanation:
The only time you end up like your parent is asexual reproduction
Can sb help me frfr
Corey exerts a force of 35 N and moves a crate 3 m. How much work has he done on the crate?
15 J
105 J
If a force is applied to an object, which of the following must be true?
Answer:
D. The force applied will contribute to the total net force.
good luck, i hope this helps :)
When we touch a Van de Graaff generator, our hair may stand up if it is dry. This happens only if the strands of our hair do what?
Answer:
Repel each other.
Explanation:
Van de Graaff generator is a device that was invented in 1929, by an American physicist called Robert J. Van de Graaff.
A Van de Graaff generator refers to an electrostatic generator that typically involves the use of a moving belt to accumulate electric charge on a hollow globe that is made from metal placed on top of an insulated column and thereby, creating very high electric potentials i.e very high voltage-direct current (DC) electricity at low current levels.
Generally, when we touch a Van de Graaff generator, our hair may stand up if it is dry. This happens only if the strands of our hair repel each other because they are like charges i.e having the same potentials.
Two magnets are attracting each other. One magnet is big and strong; the other is small and weak. The big magnet attracts the small magnet with:
Answer:
magnetism and dipole-dipole interaction
Explanation:
Two magnets are attracting each other, one magnet is big and strong, the other is small and weak, the big magnet attracts the small magnet with a stronger force, and the attraction depends on the size of the magnet.
What is the significance of the magnet and magnetic fields?The attraction between two magnets varies, and that depends upon several factors such as the strength of the force of attraction, which determines the usefulness and functionality of magnets, for example, in industrial settings, strong magnets are often used to lift heavy loads, etc.
Hence, two magnets are attracting each other, one magnet is big and strong, the other is small and weak, the big magnet attracts the small magnet with a stronger force, and the attraction depends on the size of the magnet.
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SOMEONE HELP ME!!!!!!!
calculate the kinetic energy of car of mass 150kg moving with velocity of 30km/h. what will be the kinetic energy when it's velocity is doubled and then tripled?
Answer:
The correct answer is -
1. 67500 J
Explanation:
The formula for KE is
K. E. = 1/ 2 *m v ^2
So input the values we know:
K . E. = 1/2 ⋅*150 *30 ^2
K . E. = 150 * 900 /2
K . E . = 67500
K . E. = 67500
If the velocity is double then;
use 2v in the formula
K. E. = ( 1/ 2 )*m(2 v) ^2
= (1/2)*4m v ^2
it is four times to original Kinetic energy, and similarly if tripled then, it will be 9 times to original.
What is the momentum of a vehicle that has a mass of 800 kg and is moving at a velocity of 5 m/s
Answer:
4000 kg.m/s
Explanation:
p=mv
m=800 kg
v=5 m/s
p=(800)(5)= 4000 kg.m/s
The figure above shows the position of a moon that orbits a planet in an elliptical path. Two specific locations of
the moon, position and position , are labeled.
1. As the moon orbits the planet from position to position , is the magnitude of the planet’s force due to
gravity exerted on the moon constant? Why or why not?
A
Yes, because the masses of the planet and moon remain constant.
B
Yes, because the elliptical path that the moon travels around the planet is the same for all revolutions.
C
No, because the tangential speed of the moon is always changing.
D
No, because the moon’s distance from the planet is always changing.
It is evident that the force due to gravity exerted on the moon is not constant because the moon’s distance from the planet is always changing.
What is the gravitational force?The gravitational force is the force of attraction that brings two masses together in the universe. We have to note that the gravitational force is an attractive force and that all of the objects that are found on the surface of the earth are under the gravitational filed of the earth.
Now we know that the distance that exists between the the moon as it is orbiting round the sun is always changing. We know that the gravitational force depends on the masses as well as the distance.
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Blood enters the right side of the heart and travels to the lungs. There, the lungs eliminate carbon dioxide and exchange it for more oxygen. The oxygen-rich blood enters the left side of the heart. Then, arteries carry blood away from the heart. What process is being described?
Answer:
Blood circulation
Explanation:
The process being described is the circulation of blood.
Oxygen-rich blood leaves the heart through arteries and is transported to various cells and tissues where the exchange of oxygen for carbon dioxide takes place. Thereafter, the oxygen-deficient/carbon dioxide-rich blood moves into the veins and returns to the right side of the heart before traveling to the lung. In the lung, the carbon dioxide in the blood is exchanged for oxygen before the blood enters the left side of the heart and circulated all over again.
HELP!!! I MIGHT FAIL THE 6th GRADE IF I DON'T GET HELP!!!! The southern United States experiences periodic occurrences of severe cold and drought conditions. Which weather phenomenon most likely causes this and why?
Answer:
La Niña, because the jet stream is displaced northwards
Explanation:
La Nina is known to be a cool phase that affects the average ocean temperature. During this period the surface wind becomes stronger and there is lesser rainfall over the areas of the central tropical Pacific to which the Southern United States belongs.
Hence, when the southern United States experiences periodic occurrences of severe cold and drought conditions, the weather phenomenon most likely causes this and why is "La Niña, because the jet stream is displaced northwards."
what type of wave is created by sound waves