Two kids sit on a seesaw of length 4.2m, balanced at its center. Sarah sits at the far end and has a mass of 55.kg. The Anna is 75kg. They seesaw for a while (having a grand time) then decide to balance themselves. Anna is sitting from the center. Then Sarah is given a bag of oranges weighing 3.0kg, and the seesaw rotates out of balance. When the Anna is given a bag of apples, balance is still not restored. She needs to place the apples 0.25m behind her for them to be balanced again. What is the mass of the bag of apples?

A12-kg bag of groceries is tossed onto a table at 4.0 m/s and slides to a stop in 2.2 s . modify the equation fδt=δ (mv) to find the force of friction.

Power can be defined as a. the distance over which work was done. b. how much work can be done in a given time. c. all the work in an given area. d. the energy required to do work.

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?