A 996 kg car is travelling at a velocity of 15.4 m/s. How much work must be done on the car by the brakes to stop the car. Include the correct sign. Neglect friction except in the braking system.

Jason is a body builder. despite being more fit, he weighs more than his brother ryan, who is the same height. which is a possible reason? a. jason has more muscle mass than ryan does. b. jason has more body fat than ryan does. c. jason has more muscle mass and body fat than ryan does d. jason has less body fat than ryan does.

The speed of light can be used to measure the

What causes the formation of ocean currents?