A spring stretches by 18 cm when a bag of potatoes weighing 56 N is suspended from its end. How much elastic potential energy in J is stored in the spring when it is stretched this far?

The velocity of a wave is a. its direction and speed. b. the distance between two wave crests. c. the time required for a wave to move one wavelength. d. half the vertical distance between a crest and a trough divided by the frequency.

Some of the interstellar gas in our Galaxy has been heated to millions of degrees, a temperature that surprised astronomers when it was first discovered. How do we now think that gas between stars gets that hot?

Which region is also the spinal column region? vertebral scapular pelvic sternal

When a rock becomes metamorphic, does it look the same as it did originally? Explain.

Determine the mouse's average speed between t = 1.0 s and t = 4.0 s

What's the net force acting on an 18-kg object if an acceleration of 3.0 m/s2 is produced?

What type of force slows you down as you slide across the floor? A. Strong nuclear force B. Friction C. Magnetic force D. Gravity

Scenario A: A ramp is used to lift a refrigerator a height of 12 m with a force of 110 N. The ramp is at an angle of 50° to the ground. Scenario B: A ramp is used to lift a refrigerator a height of 13 m with a force of 120 N.

The sun is 30 degrees above the horizon. it makes a 51 m long shadow of a tall tree. part a how high is the tree?

What can destroy stuff yet does not have any mass