A 50 kg car is pushed so that it speeds up from 20 m/s to 50 m/s in 3 seconds. What is the force acting on the car?

A

500 N

B

0.2 N

C

10 N

J. J. Thomson and Ernest Rutherford would agree that a. neutrons exist in the nucleus. b. atoms have more protons than electrons. c. protons and electrons exist in the nucleus. d. protons and electrons have different charges.

What is the name of a device used to measure the transfer of heat from one object to another? barometer calorimeter heatometer scale

A bug of mass 0.020 kg is at rest on the edge of a solid cylindrical disk (M = 0.10 kg, R = 0.10 m) rotating in a horizontal plane around the vertical axis through its center. The disk is rotating at 10.0 rad/s.

An external computer flash drive can hold 1 gigabytes of data how many byes is this

Which transformation could take place at the anode of an electrochemical cell?

Explain why models are often used to study other planets.

The main factors that affect an area's temperature are prevailing winds and mountains. a. True b. False

What is the displacement of an object during a specific unit of time?

Is there an end of rainbow

A downhill skier was able to move 560 meters in 25 seconds. What is the skier's average speed? (Round your answer to the nearest tenth of a meter per second.)