A box, compressing a spring by 4 m, is loaded and ready. Moments later the 8.0 kg box has been launched with

a speed of 10.0 m/s across a frictionless surface. Find the spring constant of the spring used at the beginning of

the problem.

A model rocket is launched straight upward with an initial speed of 50.0 m/s. It accelerates with a constant upward acceleration of 2.00 m/s² until its engines stop at an altitude of 150 m. a. What is the maximum height reached by the rocket? b.

When baking soda and vinegar are mixed together bubbles form and the vinegar and baking soda are changed into new chemicals. this is an example of- A) a physical change B) a chemical change

If izzy mass is 0.3kg he applide 657.9n force what will be the accelration

Why do moving back and forth, and moving in a circle look the same on a graph of position versus time?

A small puck with a mass of 0.10 kilograms is sliding in the + x-direction on an air table with an initial speed of 8.0 meters/second. The puck collides with a larger puck that is initially at rest. The larger puck has a mass of 0.40 kilograms.

Which best explains the relationship between the speed of sound and the medium through which it passes?

g The magnetic force on a charged particle A. depends on the sign of the charge on the particle. B. depends on the velocity of the particle. C. depends on the magnetic field at the particle's instantaneous position. D.

How fast must a 1000 kg car be moving to have a kinetic energy of 1.0 kWh

Which of the following is used to measure weight? Newtons Liters Kilograms Meters

Intravenous infusions are often made under gravity. At what height should the bottle be placed so the liquid pressure is 700 mm-H2O?