You serve a volleyball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30 m/s. Calculate the energy.

Carbon-14 is the typical radioisotope used to date materials; however, it has a limitation to 40,000 years. A scientist who wants to date materials older than 40,000 years would most likely use.

What is the speed of light through a substance with index of refraction of 1.22? 3.66 * 10^8 m/s 3.00 * 10^8 m/s 2.01 * 10^8 m/s 2.46 * 10^8 m/s

What would earth lack if earth didn't have a liquid putter core

According to the law of conservation of mass the total mass of the reacting substances is

Cual es la unidad de medida de las fuerzas?

A horizontal 800 N merry go round is a solid disk of radius 1.50 m, started from rest by a constant horizontal force of 50.0 N applied tangentially to the edge of the disk. Find the kinetic energy of the disk after 3.00 s.

How many cells must be connected in series to give the 350 v a large catfish can produce?

When we initially detect physical stimuli, such as odors, light, and sound, we call this Group of answer choices a. perception. b. sensation. c. absolute threshold. d. difference threshold.

A small refracting telescope designed for individual use has an objective lens with a diameter of 6.00 cm and a focal length of 1.325 m. what is the f-number of this instrument?

You drop a ball from a height of 2.0 m, and it bounces back to a height of 1.5 m. (a) what fraction of its initial energy is lost during the bounce? (b) what is the ball's speed just as it leaves the ground after the bounce?