Josh has a toy car of mass 3 kg tied to a string of length 2 m. he ties the string to a pole and has the toy car drive in a circle around the pole at a speed of 3 m/s.

a. what is the centripetal acceleration of the car?

b. if the tension in the string exceeds 50 n, the string will break. how fast can he make the car go without breaking the string?

Answer as quick as ! kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energyb. motion energyc. sound energyd. thermal energy

Imagine that you have two balloons (or, better yet, actually inflate two balloons, if possible). create static electricity around one of the balloons by rubbing it against your hair or your sweater and then bring that balloon close to the other balloon, which has not been charged. try this with at least one other object—and for variety in the discussion, avoid using an object already described by your classmates. then, for your initial post to the discussion, answer the following questions: what happened with the two balloons?

Most of the volume of an atom is occupied by the