Which astronomer gave his name to a telescope launched into space in 1990?

Why is there zero current when a light bulb burns out?

What is the final temperature of 0.5 kg of water initially at 18 °C after 65 kJ of heat is added a. 31 °C b. 42 °C c. 49 °C d. 27 °C

Which of the following best describes normal force? A. the force of attraction between two objects B. the force applied to an object by a push or a pull C. the force transmitted through a string, rope, or wire D.

A 48 kg girl is standing on a chair. What is the force exerted by the chair?

If a steel ball was moved from Earth to the Moon, which would change the most? A. its mass B. its length C. its weight D. its density

When two objects collide and stick together, what will happen to their speed, assuming momentum is conserved? They will move at the same velocity as whichever object was fastest initially.

Which planet shows evidence of water erosion?

What do nuclear fission and nuclear fusion have in common?

When plug prongs are connected to the metal case of an appliance, a part that should always be placed next to the case is a a. flat metal washer. b. hexagonal aluminum shoulder. c. steel nut. d. mica washer.

For a constant voltage, increasing the resistance will cause the current to decrease