Its called compressing the gas
Maximum torque.
T=F.r
r is measured from point of turning, which is the hinge. r is maximum when the handle is at the free edge.
Answer:
It will be A. So since its 2 times more the kinetic energy. But then you have to square it 2^2 = 4
Physical: the raft needs to float, which means what you make the raft out of must be less dense than water.
The raft would need sturdiness- if the raft is frail, the water might break it
Chemical: It can not react with water and it can not be made of a completely soluable substance (something that would dissolve in it like salt)
Answer:
Explanation:
momentum is written as p
p = mass * velocity
p = mv
30 km per hr = 30 * 1000 meters per 3600 seconds
velocity = 30000 meters per 3600 seconds
p = mv
p = 75 * 30000 / 3600
p = 625 kilogram per meter second
I hope my answer helps you and is correct
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