A child generates 42 W of power as she pulls a wagon forward across a flat sidewalk with a force of 70 N. The child pulls with this force for 4.5 minutes. What distance does the wagon move?

110 m

160 m

75 m

210 m

Which condition is necessary for a standing wave? A) two interfering waves of the same frequency must travel in opposite directions B) two interfering waves of the same frequency must travel in the same direction C) two interfering waves of the same

Consider heat transfer between two identical hot solid bodies and the air surrounding them. The first solid is being cooled by a fan while the second one is allowed to cool naturally.

Geocentric theory: was proposed by copernicus. was supported by galileo's observations. stated that the sun revolves around the earth. all of the above.

Marcia ran at a speed of 3.50 meters per second. How fast was she running in kilometers per hour?

Which statement correctly compares the speed of light? O O O O The speed of light through space is much greater than 3 x 108 m/s. The speed of light in glass is much greater than 3 x 108 m/s.

Sodium-22 Sodium-25 # of protons # of neutrons # of electrons

As the particles of a solid undergo sublimation, they A: lose energy B: move closer to one another C: change temperature D: move farther apart from one another

the math club must order 35 new uniform shirts. There are 5 more girls than twice the number of boys in the club. How many of each uniform type should the club order

Find out the kinetic energy of a body of mass 2kg moving with the speed of 3m/s

When light waves passes straight through an object, it is called?