18. A man weighing 1000 N runs up some stairs. rising a vertical height of 5 m in 10 seconds.
a) What power does he develop?

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 energy b. motion energy c. sound energy d. thermal energy

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.