A spring has a spring constant of 256 n/m. how far must it be stretched to give it an elastic potential energy of 48 j?

A balloon that weighs 1 N is suspended in air, drifting neither up nor down. How much buoyant force acts upon it? What happens if the buoyant force decreases? If the buoyant force increases?

a rocket blasts off and moves away (distance is increasing) form earth. how is the rocket affected by the earths gravitational pulls as it moves further away?

When docking your boat, you will have more control if the wind is coming from which direction?

Two books are located 1 m above the surface of the Earth. The first has a mass of 2 kg; the second has a mass of 1 kg. Which statement about the pull of Earth's gravity is true? A.

An 800-N man stands at rest on two bathroom scales so that his weight is distributed evenly over both scales. The reading on each scale is

Hich of the following needs is an addition to Maslow's original hierarchy and only appears in the eight-stage revised model

What color of light can plants "see"?

Two tiny beads are 25 cm apart with no other charges or fields present. Bead A carries 10 µC of charge and bead B carries 1 µC. Which one of the following statements is true about the magnitudes of the electric forces on these beads

A ball is thrown straight up at 20 m. What is the balls velocity as it hits the ground?

Block 1 and Block 2 have the same mass, m, and are released from the top of two inclined planes of the same height making 30 degree and 60 degree angles with the horizontal direction, respectively.