The tension in the string with friction would be the biggest because of the involvement of the force of gravity. This would result in that the friction force that is acting on the system. There is no friction in the frictionless system, and only the force of gravity is relevant.
Answer:
B
Explanation:
because kinetic energy is directly proportional to temperature so the hottor the object, the more kinetic energy.
The yo-yo speeds up when you rub it
Depends on how well built he is probably for the average American 8 MPH
Answer:
Explanation:
Given
initial velocity component of engines is
time period of engine running=763 s
Displacement in 
Using 
in x and y direction
In y direction
x component
y component
