Lithium (symbol: Li, no. of protons: 3, no. of neutrons: 4)

A 150-if object takes 1.5 minutes to travel s 2,500-meter straight path. It begins the trip traveling 120 m/s and decelerates to a velocity of 20 m/s. What was it's acceleration?

A light beam is incident on a piece of fluorite (n = 1.434) at the Brewster's angle. (a) Find the value of Brewster's angle. ° (b) Find the angle of refraction for the transmitted ray.

Since that is not far enough, you consult a friend who calculates (correctly) the minimum speed needed as vmin = 11068 m/s.

What are the forces of not wearing a seatbelt in a car crash?

What is the standard unit of resistance?

How much force is needed to accelerate an object of mass 90 kg at a rate of 1.2 m/s2? 0.013 N 75 N 108 N 1080 N

No work is done on an object when a force acting on the object does not move it. True False

wavelength of a light whose second-order dark band forms a diffraction angle of 15.0° when it passes through a diffraction grating that has 250.0 lines per mm

If a fully loaded shopping cart has a head-on collision with an empty cart both moving at the same speed toward each other, which cart experiences the greater force? The greater impulse? The greater change in momentum? The greater acceleration?

Why didn't early Portuguese and Dutch explorers decide to create settlements in Australia