Acollege student holds the back of his hand near an iron to see if it is hot. heat is transferred to his hand a conductionb convectionc radiation

What is work? how much work is done to move an object 0 meters?

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?

Compare the horizontal displacement of the two balls as they travel to the ground. what do you observe?