Sierra did 500 J of work to move her couch. If she exerts 250 N of force on the couch, how far did she move it? (Work

Fd)

0.5 m

2 m

250 m

750 m

Two 8 ohm resistor in parallel

If the car has a mass of 1000 kg what is its momentum

What happens when someone is walking across the carpeted room then touches a metal door knob

Alpha particles cannot penetrate deeply into solids because they

A block of mass m = 4.8 kg slides from left to right across a frictionless surface with a speed Vi=7.3m/s. It collides with a block of mass M = 11.5 kg that is at rest. After the collision, the 4.

The average speed of a runner who runs 500 m in 96 s is what?

What is the net force on a 2-kg skateboard accelerating at a rate of 2 m/s2?

Which is a consequence of the third law of thermodynamics

Difference between Heterozygous and homozygous?

A wave has a speed of 50 m/s and a frequency of 10 Hz. Calculate its wavelength.