Acar moves at a velocity of 8.5 meters per second. it then accelerates at a constant rate of 2.5 m/s^2 for a total time of 5 seconds. how fast is the car moving at the end of the 5 seconds?

i got 21 is this right?

Jackson is designing a new heater, and he wants to experiment with different thermally conductive materials. which of these materials would be useful in conducting heat?

Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell