If energy seems to disappear what actually happened to it

If the rifle is stopped by the hunter's shoulder in a distance of 3.16 cm, what is the magnitude of the average force exerted on the shoulder by the rifle? Answer in units of N. mass of bullet = 0.

2. A wave on a rope has a wavelength of 2.0 m and a frequency of 2.0 Hz. What is the speed of the wave? step# 1 step#2 step#3

Deep ocean currents occur where the water is salty, cold, warm, or fresh. In science

What is sperm or as some people call it skeet

What is the only "power" unit of measurement in light energy?

A squirrel sitting on the ground starts to run with an acceleration of 5.1 m/s 2. How fast is the squirrel going after 0.25 seconds? A. 20.4 m/s B. 1.28 m/s C. 0.49 m/s D. 3.1 m/s

Describe how the competition between invasive and native species might affect a food web

Which vector should be negative? any vector whose magnitude is less than 1 a displacement in the direction North any vector whose magnitude is greater than 1 the velocity of a falling object

Acceleration is a scalar quantity true or false

Find a numerical value for rhoearth, the average density of the earth in kilograms per cubic meter. Use 6378km for the radius of the earth, G=6.67*10-11m3 / (kg⋅s2), and a value of g at the surface of 9.80m/s2.