Two particles are separated by 0.38 m and have charges of -6.25 x 10-°C and 2.91 x 10-9 C. Use Coulomb's law to predict the force between the
particles if the distance is cut in half. The equation for Coulomb's law
Fe kq192, and the constant, k, equals 9.00 x 10° N-mº/c2.

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final