what is the momentum of a 10000kg truck whose velocity is 20m/s and what velocity must a 5000kg truck attain in order to have th
e same momentum?
2 answers:
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Answer:
Potential energy, P = 500 J
Explanation:
We have,
Weight of the box, W = 50 N
Height of the stairs, h = 10 m
It is required to find the potential energy gained by the box. The potential energy is possessed by an object due to its height. The formula of potential energy is given by :
g is acceleration due to gravity
So, the potential energy of 500 J is gained by the box.
As per kinematics equation we are given that
now we are given that
a = 2.55 m/s^2
now we need to find x
from above equation we have
so it will cover a distance of 93.2 m