Sound is not heard in space as it is heard on the earth. Give reason. (pl answer correctly)​

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?

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)

How much work would it take to move a coulomb charge across a 4 volt potential difference?