A spring has a spring constant of 30000 N/m. How far must it be stretched (in meters) for its potential energy to be 47 J?

In what month are shadows the shortest in our area?

If a force of 25 N is applied to an object with a mass of 8 kg, the object will accelerate at

What is the temperature, in degrees Celsius, of a substance with a temperature of 49K?

Purse-seine fishing is known to be the safest fishing method for protecting dolphins.

Derive a relation between velocity, frequency and wavelength of a wave. Write a formula relating velocity of a wave to its time period and wavelength.

Explain the work-energy theorem, including the direction energy moves and how it relates to positive and negative work

The passing of heat through a material while the material itself stays in place. A. radiation B. conduction C. convection

What would result from under-coverage? A. a lack of accurate result B. an incorrect independent variable C. an experiment D. accurate result

What can be said about the force of gravity acting on an object that is floating stationary underwater and not moving up or down? A. The buoyant force equals the force of gravity, so there is no net force. B.

A frog in a hemispherical pod finds that he just floatswithout sinking in a fluid of density 1.25 g/cm3. If the pod has a radius of3.00 cm and negligible mass, what isthe mass of the frog?