Burned Becky stayed out in the sun too long and is now suffering from a terrible sunburn. What caused Becky's sunburn?

A horizontal surface of area 0.321 m2has an electric flux of 123 N. m2/C passing through it at an angle of 25° to the horizontal. If the flux is due to a uniform electric field, calculate the magnitude of the latter.

Which are causes of mechanical weathering? (check all that apply) A. acid rain B. plant growth C. animal actions D. carbon dioxide E. pressure release I chose B & E and got the question wrong.

The velocity of any object depends upon

Why is the restoring force in Hooke's law a negative value?

Two large aluminum plates are separated by a distance of 2.0 cm and are held at a potential difference of 170 V. An electron enters the region between them at a speed of 2.

The sum of potential and kinetic energies in the particles of a substance is called energy. True or False

Element X has a mass number of 40 and an atomic number of 20, and element Y has a mass number of 56 and an atomic number of 26. Element X has more neutrons and fewer electrons than element Y. more neutrons and electrons than element Y.

How does mass affect average speed?

Object A attracts object B with a gravitational force of 10 newtons from a given distance. If the distance between the two objects is doubled, what is the changed force of attraction between them? A. 2.5 newtons B. 5 newtons C. 20 newtons D.

A small particle starts from rest from the origin of an xy-coordinate system and travels in the xy-plane. Its acceleration in the x-direction is 2.0 m/s2, and its acceleration in the y-direction is 1.0 m/s2.