You push a piano 5 meters across the floor with a force of 400 n. how much work have you done?

What happens if two small positively charged particles of equal magnitude are placed close to each other? A) The particles will experience a repulsive force but remain stationary.

All of these have which characteristic in common? A) They all transmit energy. B) They are all pressure waves. C) They all need a medium to be transmitted. D) They are all part of the electromagnetic spectrum.

Solenoid is another word for Magnetic field Coil of wire Permanent magnet Ferromagnetic material

Another word for character in sports is "sportsmanship." - True False

Why can making observations be a very good way to come up with a scientific question?

How much power is reqired to lift a 10-n box 2 meters

Dolphins and other sea creatures can leap to great heights by swimming straight up and exiting the water at a high speed. A 200 kg dolphin leaps straight up to a height of 7.8 m.

An example of renewable energy resource is ... A - uranium B - Wind C - natural gas

The power of a 1.5-volt alkaline cell varies with the number of hours of operation. A brand new D-cell can deliver as much as 13 A through a copper wire connected between terminals. Determine the power of a brand new D-cell.

You measure a watch's hour and minute hands to be 7.4 mm and 12.1 mm long, respectively. Part A In one day, by how much does the distance traveled by the tip of the minute hand exceed the distance traveled by the tip of the hour hand?