A rock is dropped from a sea cliff, and the sound of it striking the ocean is heard 3.2 s later. If the speed of sound is 340 m/s, how high is the cliff?

Describe 3 ways a bicyclist can change velocity.

In the formula vy = ayt, what is the value of ay for an object in projectile motion? -9.8 m/s2 0 m/s2 m/s2 1.0 m/s2

What is lightning the result of

Acceleration is the magnitude of average velocity.

When light travels from one medium to another, its direction can change. This is called

Modern oil tankers weigh over a half-million tons and have lengths of up to a quarter of a mile. Such massive ships require a distance of 5.0 km (about 3.0 mi) and a time of 22 min to come to a stop from a top speed of 26 km/h.

Suppose a yo-yo has a center shaft that has a 0.232 cm radius and that its string is being pulled. If the string is stationary and the yo-yo accelerates away from it at a rate of 1.50 m/s 2, what is the angular acceleration of the yo-yo?

How far into editing our human genes?

Which electromagnetic wave has the shortest wavelength? (A. Radio waves b. X-rays c. infrared rays or d. Visible light)

Which mixture can be separated based on differences in particle size of the components