If mass = 30kg, gravity = 10 N/kg and height is 2m of a car. Calculate the gravitational potential energy.

Which letter indicates the wavelength of the wave? A. A B. B C. C D. D

How information is transfered via electromagnetic waves

How does charging by conduction compare with charging by induction? A. A charged object is needed in conduction but not in induction. B. Two neutral objects are needed in conduction but not in induction. C.

What happened from the mid 1700s to the mid 1800s that contributed to the change in the global human population?

Determine the wavelength, assume the density of the medium to be ρ=2.3⋅103kg/m3. express your answer using two significant figures.

The difference between two numbers is 15. When twice the smaller number is subtracted from three times the larger number, the difference is 58. What is the larger number?

Vector A makes equal angles with x, y and z axis. value of its components (in terms of magnitude of vector A will be?

What has become an important alternative to Piagetian approaches?

How would life on earth be different if earth's axis were not tilted with respect to its orbit? A. There would be no seasons. B. There would be no day and night. C. All places would have the same climate. D. The seasons would be much shorter.

What will a spring scale read for the weight of a 75.0-kg woman in an elevator that moves upward with constant speed of 5.8 m/s?