2 pts
Question 2
Which of these requires more work?
O lifting a 70 kg sack vertically 2 meter
lifting a 70 kg sack vertically 1 meter
ent
pushing a 35 kg sack 2 meters
lifting a 35 kg sack vertically 2 meters
lifting a 35 kg sack vertically 1 meter
© pushing a 70 kg sack 1 meter

The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?

A3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular? a 3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular?

Two carts, one of mass 2m and one of mass m, approach each other with the same speed, v. when the carts collide, they hook together. assume that positive momentum is to the right. which graph best represents the momentum of both carts over time, before and after the collision?