a 74.9 kg person sits at rest on an icy pond holding a physics book. he throws the physics book west at 8.25 m/s and he recoils at 0.215 m/s what is the mass of the physics book

How much potential energy does a 1kg mess have 10m off the ground?

Which of the following sets of words are not related

A theory is A. an educated guess that has yet to be proven by experiment. B. a synthesis of a large collection of information including well-tested guesses. C. close agreement by competent observers of observations of the same phenomena. D.

Is adaptation short-term change or long-term change

Could a mixture be made up of only elements and no compounds. if so explain

What is the general defination of parallax?

Change in speed over a given period of time is

A car takes 15 minutes to travel along a road that is 20 km long. What is the average speed of the car? A. 75 km/h B. 5.0 km/h C. 80 km/h D. 300 km/h

A 4.2 cm diameter circular loop of wire is in a 1.14 T magnetic field. The loop is removed from the field in 0.18 s. Assume that the loop is perpendicular to the magnetic field. What is the average induced emf?

When an ocean plate converges with another plate, what is created on the seafloor at the line of convergence?