Which single force acts on an object in freefall?

A. Gravity

B. Fluid forces

C. Air resistance

D. Friction

Which of the following is a scientific question that can be answered through experimentation? a. When looking at a map, you ask, "How are the borders of Germany determined?" c.

A package is dropped from a hovering helicopter. If it takes 15.0s before the package strikes the ground, how high above the ground was the package when it was released? (Neglect air resistance and weight if the package)

A loop is oriented perpendicular (0 deg) to a 0.0817 T magnetic field. The magnetic flux through the loop is 5.90 x 10^-6 Wb. What is the area of Skip the loop?

Which statement is true according to Newton's first law of motion? A. In the absence of an unbalanced force, an object at rest will stay at rest and an object in motion will come to a stop. B.

Apr 22, 1:11:18 PM A certain television is advertised as a 20-inch TV (the diagonal length). If the width of the TV is 16 inches, how many inches tall is the TV?

A book falls of the table and hits the floor. Is work done? Why?

A person of 83 kg is in an elevator. If the elevator is moving at a speed of 5 m/s, what's the person's kinetic energy? Keep 4 significant figures a 1,004 J b 1,038 c 1,280 J d 980 J e 1,435 J

What two equations can be used to determine the speed of a wave

Which force has an infinite range and is always attractive?

A ramp with a mechanical advantage of 8 lifts objects to a height of 1.5 meters how long is the ramp