A 6.0 kg block with a speed of 4.5 m/s collides with a 12.0 kg block that has a speed of 3.0 m/s in the same direction. After the collision, the 12.0 kg block is observed to be traveling in the original direction with a speed of 3.8 m/s. (a) What is the velocity of the 6.0 kg block immediately after the collision

When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative

(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?