From what height should you drop a ball if you want it to hit the ground in exactly 3 seconds?

A light wave is traveling through the air and then enter water. How will the light change? It will change color. It will become brighter. It will move at a different speed. It will stop completely.

The largest and the smallest balls used in the experiment are with diameter 9.52 mm, and 2.38 mm respectively. For a glycerin with viscosity 1.0 Pa.

In a young's double-slit experiment, the seventh dark fringe is located 0.028 m to the side of the central bright fringe on a flat screen, which is 1.1 m away from the slits. the separation between the slits is 1.6 * 10-4 m.

Why is a bird able to sit on a power line? a. Because the line is covered with insulating material. c. The voltage in power lines is very small. b. Because both feet are on the same line there is no difference in voltage from foot to foot. d.

A parachutist with a camera, both descending at a speed of 10.8 m/s, releases that camera at an altitude of 60 m. In this problem, take "up" to be positive. What is the velocity of the camera just before it hits the ground?

What is a change in velocity per time

Recall specific heat of water is 4186 j/kg/C. Find the specific heat of sample. Water. Sample Mass 109 192 Internal temperature. 21. 67 Final temperature. 30.1. 30.1

During which period did the first large herbivores and carnivores appear?

What is the reason behind the tail of a comet moving away from the Sun? A The gravity of Jupiter pulls it away from the Sun. The nucleus of the comet propels it away from the Sun. C. The radiation pressure and solar wind propels it away from the Sun.

Calculate the energy released as heat when 51.60 g Cu 2 O (s) undergo oxidation at constant pressure.