We measure the loudness of sound in decibels.

a. True

b. False

A pulley system is used to lift a 100kg box using a 100N force what is the mechanical advantage

A right circular cone can be balanced on a horizontal surface in three different ways. Sketch these three equilibrium configurations, and identify them as positions of stable, unstable, or neutral equilibrium.

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

A crane does work of 13,500 j with a force of 5200 N to lift a beam. How far can the beam be lifted in meters?

Driver a is cruising along enjoying the fall colors. driver b starts her car at the instant he passes her. their velocities are shown as functions of time in the graph below. at what instants in time on the graph are drivers a and b side by side?

What are the different types of waves?

The force needed to move an object 14 meters with 83 joules of work is what?

Did sodium lose electr on or gain

What is 541.2 mg in grams

Force exerted by a person or object