Homework Statement
A 55 g mouse runs out to the end of the 17cm long hand of an old grandfather clock when the clock reads 10min past the hour. What torque does the mouse exert about the rotation axis of the clock hand.
Homework Equations
Torque=rFsin(theta)
The Attempt at a...
Homework Statement
A 950kg compact car is moving with the velocity ⃗v1 = 32 ˆx + 17 ˆy m/s. It
skids on an icy, frictionless patch and collides with a 450kg hay wagon
moving with velocity ⃗v2 = 12ˆx +14ˆy m/s. If the two stay together,
what is their velocity?
Homework Equations...
Homework Statement
A firecracker, initially at rest, explodes into two fragments. The first, of mass 14g, moves in the positive x direction at 48m/s. The second moves at 32m/s. Find the mass and direction of its motion.
Homework Equations
p=mv
The Attempt at a Solution
So I...