Select ALL that apply

A star is held together by:

gravity

nuclear fission

nuclear fusion

acceleration

What is the distance from rest to crest, or from rest to trough, called?

Which statements best describe magnetic fields? Check all that apply. A magnetic field is the area around a magnet where a force is exerted on certain objects. A magnetic field is an area of land where magnets are found.

Huan made a chart to study for an exam about radio waves. Which headings best complete the chart? X: Phase Y: Pulse X: Pulse Y: Phase X: AM Y: FM X: FM Y: AM

Lightning bolts can carry currents up to approximately 20 ka. we can model such a current as the equivalent of a very long, straight wire. part a if you were unfortunate enough to be 5.

Which factor has no effect on the motion of a mass on a spring? A. displacement B. mass C. period D. velocity E. acceleration

The average speed of a runner who runs 500 m in 96 s is what?

What is the net force on a 2-kg skateboard accelerating at a rate of 2 m/s2?

Which is a consequence of the third law of thermodynamics

Difference between Heterozygous and homozygous?

A wave has a speed of 50 m/s and a frequency of 10 Hz. Calculate its wavelength.