Ram is going to the library from his house. he goes 3meters to the east from his house and then goes 4meters north to get to the library. calculate the displacement traveled from his house to the library and back to his home. a.7meters b.5 meters c.0meters

A150 w lamp emits light of wavelength 590 nm uniformly in all directions. what is the photon flux (photons per unit area per unit time) on a small screen at a distance 2.3 m from the lamp? assume the photons are uniformly distributed over the surface of a sphere of radius 2.3 m.

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted

When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.