How does erosion happen

Calculate the velocity of a 1650 kg satellite that is in a circular orbit of 4.2 x 106m above the surface of a planet, which has a radius 3.95 x 105 m and the period of the orbit is 2.0 hours. A. 1.4 x 107m/h B. 1.24 x 106m/h C. 1.3 x 107m/h D. 1.

A meteoroid is traveling east through the atmosphere at 18.3 km/s while descending at a rate of 11.5 km/s. what is its speed, in km/s?

The monthly (30 days) electric bill included the cost of running a central air-conditioning unit for 2.0 hr/day at 5000 W, and a series connection of ten 60 W light bulbs for 5.0 hr/day.

What is the approximate average ocean depth along the continental shelves bordering north america?

Why would a soft container protect an egg from a drop better than a hard container?

The relationship between frequency and wavelength is a (n) relationship

Use g = 9.8 m/s2. From the top of a cliff, a person throws a stone straight downward. The initial speed of the stone just after leaving the person's hand is 9.7 m/s.

15 J of work were expended moving an 18 kg block. At what velocity did the block move? Provide step by step walkthrough

Define element and list two examples.

5 Sam is standing in an empty auditorium. He yells and hears his voice echo. What is happening to the sound to cause this echo?