An object at rest requires a force of 15 newtons to set it into motion. This force is greater than which force? tension gravity friction electromagnetic strong nuclear force

Which of the following dose not occur when two continental plates collide

2. A string with a length of 0.9m that is fixed at both ends a) What is the longest possible wavelength for the travelling waves that can interfere to form a standing wave on this string?

A beam of light from a monochromatic laser shines into a piece of glass. The glass has thickness L and index of refraction n=1.5.

Describe how you could calculate the actual temperature from the anomaly?

What causes covalent bonds to form? Use HCl hydrochloric acid) as an example to explain completely the formation of the covalent bonds.

If a crest and a trough in a ripple tank meet, what happens? A) Constructive interference occurs. B) Nothing happens. C) They cancel each other out. D) They add up to form a larger trough.

A joule, which is a unit of work, is equal to? A. a newton times a meter B. a newton divided by a second C. a newton times a second D. a newton divided by a meter

Which simple machine is a doorknob? a lever a screw a pulley a wheel and axle

A small ball of mass m is aligned above a larger ball of mass M = 0.63kg (with a slight separation) and the two are dropped simultaneously from a height of 1.8m.

If you apply a force of 1.0 n to a cart of mass 1.0 kg with negligible friction, what do you expect the acceleration to be?