Homework Statement
A father pushes horizontally on his daughter’s sled to move it up a snowy incline, If the sled moves up the hill with a constant velocity, how much work is done by the father in moving it from the bottom to the top of the hill? (angle of incline is 15 degrees
F + f(k)...
A volley ball is traveling toward you. (a) Which action will require a greater force on the volleyball, you catching the ball or you hitting the ball back? Why? (b) A 0.45-kg volley ball travels with a horizontal velocity of over the net. You jump up and hit the ball back with a horizontal...
A 2.5-g bullet traveling at 350m/s hits a tree and slows uniformly to a stop while penetrating a distance of 12 cm into the tree’s trunk. What force was exerted on the bullet in bringing it to rest?
sorry about that. thanks
I am having problesm with this question
a. A 2.5-g bullet traveling at hits a tree and slows uniformly to a stop while penetrating a distance of 12 cm into the tree’s trunk. What force was exerted on the bullet in bringing it to rest?
b You are carrying a backpack across campus. What...