Which has more kinetic energy car a with a mass of 50kg moving 2m/s or car b with a mass of 75kg moving 2m/s

A current of 250 amps is flowing through a copper wire with a resistance of 2.09 x 10^-4 ohms. What is the voltage?

Which of the following is true about light? Light travels in waves Light doesn't move Light travels only in sound Light travels in bundles

A police car traveling at a speed of 30.0 meters per second sounds its siren, which has a frequency of 1.00 * 103 hertz. as the police car approaches a stationary pedestrian, the pedestrian detects a siren frequency of

The areas of the pistons are 20 cm^2 and 100 cm^2. A force of 10 N is applied to the small piston. How much force is on the large pistons?

What is the SI unit of electric charge

Describe accuracy, precision and best fit line.

Convert 255 cm to meters, millimeters, and kilometers

7.) A car starts from rest and accelerates uniformly at 1.7 m/s/s. How long will it take the car to reach a speed of 34 m/s? A 200 s B 58 s C 20 s D2 s

A wheelbarrow is an example of what type of lever

Why is it necessary to evaluate an experiment