You are walking on a beach and find a mystery piece of metal. you take it back to your lab and measure its mass to be 0.5 kg. in order to heat the metal 1 degree k, you must add 115 j of heat. identify the metal. q =mcδt
a) brass
b) copper
c) platinum
d) silver

An ideal spring has a spring constant (force constant) of 2500 n/m, is stretched 4.0 cm, how much elastic potential energy does it possess? (a) 3j (b) 0.00j (c) 1j (d) 2j (e) 4j

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?

Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?