Which of the following is a vector?

1. Distance

2. Mass

3. Frequency

4. Force

This diagram shows the movement of a skater at 1-second intervals. What is the magnitude of the average velocity, in m/s, if the skater went for a total of 12 meters? A) 3 m/s B) 4 m/s C) 12/5 m/s D) 48 m/s

How does the sun impact land at different latitudes?

A capacitor is connected to an ac power supply. The maximum current is 4.0 A and the reactance of the capacitor is Xc = 8.0 Ω. What is the average power dissipated by the capacitor? Select one: a. 32 W b. 0 W c. 128 W d. 64 W

Which kingdom does the owl belong to

What is the equation for potential energy

How do mountins building and volcanos relate to plate motion at convergent boundaries

A 20kg box is dropped 13m. how much work is done

Suppose a person whose mass is m is being held up against the wall with a constant tangential velocity v greater than the minimum necessary. Find the magnitude of the frictional force between the person and the wall

A ball is being rolled by a normal push of 1000N. it is opposed by friction which has a force of 0.3kN and air resistance which has a force of 23N. Calculate the resultant force.

Consider a Young's two-slit experiment in which the wavelength of light is 37% smaller than the distance between the slits.