Does the number of particles change as the substance changes its state

A carousel is spinning at a speed of 100 cm/s, with the outermost horse at a distance 5 m from the center. Calculate the inward force on the outermost horse, if it weighs 1.5 kg. A) 3 x 10-3 N B) 3 x 10-2 N C) 3 x 10-1 N D) 3 x 10 N

What continent is partially in all four hemispheres

If you stay on earth while a friend races off in a rocket at a speed close to the speed of light, then according to special relativity you will see a clock on the rocket appear to click more slowly than the one on your wall.

Apply a force of 50N to the left describe the motion of the box

Why do planets need to clear their orbit of debris

Lava is rock that has undergone a physical change and has liquefied. What is known about this change?

At what temperature did the substance in the test tube into a solid?

What occurs when the velocity of Earth is doubled? a. The orbit of Earth around the Sun becomes smaller b. The orbit of Earth does not change c. The Earth escapes the Sun d. The orbit becomes more elliptical

When is a body said to be at rest

27. Calculate the impulse when an average force of 10 N acts on a cart for 5.0 s.