Which quantity has both a magnitude and a

direction?

(1) energy (3) power

(2) impulse (4) work

Dr. Haviland is looking at mental rotation data but he forgot to label his chart. The data shows reaction times for 700 ms, 1400 ms and 1200 ms. What are the MOST likely corresponding degrees of rotation that will match his data?

if the distance of separation begin two objects is doubled, is the gravitational force between the objects increased or decreased? by what factor?

A car accelerates uniformly from 0 to 15m/s in 5 s. Calculate acceleration.

A grandfather clock is "losing" time because its pendulum moves too slowly. Assume that the pendulum is a massive bob at the end of a string. The motion of this pendulum can be sped up by: a) decreasing the mass of the bob.

The horizontal surface on which the 2.0 - kg block slides is frictionless. The speed of the block before it touches the spring is 9.0 m/s. How fast is the block moving at the instant the spring has been compressed 174.5 mm

How does the use of biomass energy to create electricity harm the environment

Which physical property of iron made it popular for use in weapons? 1. Magnetism 2. Luster 3. Malleability 4. Ductility

a 2 kg rock is dropped from the top of a 30 m High building calculate the ball at the time that it strikes the ground

Water, with a density of rho = 1145 kg/m 3, flows in a horizontal pipe. In one segment of the pipe, the flow speed is v 1 = 7.33 m/s. In a second segment, the flow speed is v 2 = 1.57 m/s.

What does the color of a star determine