A child does 350J of work while pulling a box from the ground up to his tree house with a rope. The tree house is 5.2 m above the ground. What is the mass of the box? A) 4.1 kg B) 6.9 kg C) 6.2 kg D) 5.2 kg

Match these terms with their definitions: 1. unit of electrical resistance ampere 2. unit of electromotive force or electrical potential ohm 3. unit for measuring the strength of an electric current volt 4. unit of electrical power watt

An ordinary light bulb gives off visible white light. If you were moving toward it at nearly the speed of light, it would appear to be emitting X rays, while if you moving away from it at the same high speed, it would appear to be emitting radio

Milk of magnesia is a base. What happens when you drink milk of magnesia for an upset stomach?

A strip 1.2 mm wide is moving at a speed of 25 cm/s through a uniform magnetic field of 5.6 t. what is the maximum hall voltage across the strip?

An insulated beaker with negligible mass contains liquid water with a mass of 0.240 kg and a temperature of 75.8°C. How much ice at a temperature of - 14.1°C must be dropped into the water so that the final temperature of the system will be 27.

What is the term for water droplets that have accumulated in the air until they have become so heavy they have fallen back to earth?

What is resonance? How is the velocity of sound in air determined by resonance tube method?

An astronaut in space pushes a piece of equipment to get it into the correct position. What does Newton's third law of motion tell us about this?

Which of the following scientists is incorrectly paired with their major discovery? Henri Becquerel - radioactivity Charles Darwin - theory of evolution James Hutton - rock cycle Charles Lyell - faunal succession

What units are used in the periodic table for atomic mass?