You do 25 J of work to move a 4 N object 5 meters. Find your efficiency

The scientist most often credited with the idea that matter can have wave-like properties is: A. Schrödinger B. de Broglie C. Einstein D. Heisenberg

what is the force of static friction on Earth between a 2000 kg car and the road if a coefficient of static friction is 0.4?

An objects velocity will not change unless it is acted upon by (balanced or unbalanced) forces?

According to Newton's first law of motion, what is required to make an object at rest move?

A circular plastic rod with uniform charge q produces an electric field of magnitude e at the center of curvature (at the origin). in figs.

A car travels along eastward with a constant velocity. the magnitude of the acceleration of the car is

What is the weight of a 65 kg astronaut on mars?

When lava cools, what type of Rock forms?

A uniformly charged conducting sphere of 1.1 m diameter has a surface charge density of 6.2 µC/m2. (a) Find the net charge on the sphere. (b) What is the total electric flux leaving the surface of the sphere?

A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. The current rating of the blow-dryer is 12 A, while that of the vacuum cleaner is 5.7 A. Determine the power consumed by (a) the blow-dryer and (b) the vacuum cleaner.