Homework Statement
A 1200kg car moving at 8m/s to the right strikes a 2000kg truck moving at 4m/s to the left. Afterwards the velocity of the car is is 6m/s to the left. What is the velocity of the truck?
Homework Equations
The Attempt at a Solution
Homework Statement
What is the power output of a bodybuilder who raises 150kg from the ground to a height of 2.2m in 1.3 seconds? Express your answer in Watts and Horsepower (1hp=746w)
Homework Equations
show me how to do this problem
The Attempt at a Solution
show me how to do...
Homework Statement
If 1550J of work was done by moving a car a horizontal distance of 127m, what was the force applied to the car?(Assume the force was applied horizontally)
Homework Equations
Confused
The Attempt at a Solution
I need to see how its done I am confused