Alejandra’s home has solar panels on the roof. When it is sunny, the energy from the solar panels heats up the water tank. It has been cloudy for two weeks straight. Which is MOST LIKELY to happen? A. The microwave will not heat food.

B. The washing machine will not start.

C. The water in the shower will be cold.

D. The water in the shower will be cold.

(Answer A, B, C, or D.)

Thanks,

Kaleigha L. Morgan

Ateam of astronauts is on a mission to land on and explore a large asteroid. in addition to collecting samples and performing experiments, one of their tasks is to demonstrate the concept of the escape speed by throwing rocks straight up at various initial speeds. with what minimum initial speed vesc will the rocks need to be thrown in order for them never to "fall" back to the asteroid? assume that the asteroid is approximately spherical, with an average density p 3.84 x108 g/m3 and volume v 2.17 x 1012 m3 recall that the universal gravitational constant is g 6.67 x 10-11 n m2/kg2

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.

Which object is most likely represented by a dot?