A parachute on a racing dragster opens and changes the speed of the car from 95 m/s to 35 m/s in a period of 6.5 seconds. What is the acceleration of the dragster? and show work pls

A10.0 kg cart and a 15kg cart are locked together with a compressed spring between them. they are then released so that the spring pushes the two carts apart. the 10.0 kg cart is moving at 4.5 m/s afterward. how fast is the 15kg cart moving? 3.0 m/s 2.0 m/s 4.5 m/s 5.0 m/s

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?