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The distance travelled by the body on last second of its upwards journey is 4.935m
What is projectile motion?
A projectile is an object or particle that is launched toward the surface of the Earth and moves along a curved path only under the influence of gravity.
To solve this question, consider the horizontal distance to be H and
distance traveled by the body in the last second be d
H=510.2m
Now time taken to reach a height of
510.2 m= ![\sqrt[n]{2H/g}](https://tex.z-dn.net/?f=%5Csqrt%5Bn%5D%7B2H%2Fg%7D)
=10.2 seconds
Now,
d=4936m
So, the correct answer is '4.936m'.
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Its acceleration is 10ft/ sec
Answer:
a = 0
Explanation:
The velocity of a sound wave in a straight line is 660 mph. The wave is moving with a constant velocity. It means that the change in velocity is equal to 0.
We know that acceleration of an object is equal to the change in velocity divided by time taken. But here the change in velocity is 0. As a result the acceleration of the sound wave is 0.
