Why is it impossible for us to observe any furthur than 13.7 billion light years in the universe?

What are three related words to centripetal force?

The movement of the Australian plate pushes Australia north at an average speed of about 17 cm per year. What will Australia's displacement be in meters in 1000 years?

What force is responsible for your sensation of weight?

A piece of metal has attained a velocity of 107.8 m/sec after fallinf for 10 seconds what is its initial velocity

On a sky coaster (human pendulum) that reaches 10 meters from it's equilibrium position, a man of 120 kg is able to reach a maximum speed of 18m/s 14m/s 1200m/s 11m/s

What do the group numbers mean on the periodic table?

A spring supporting a mass of 30 kg compresses 0.6 m. How far does the spring compress when it supports a mass of 10 kg? A. 0.1 m B. 0.2 m C. 1.2 m D. 1.8 m

Which statement best describes a solid?

Race car drivers must slow down as they make turns on the track. This is best explained by the law of inertia. Which statement best describes inertia for the car going around a turn? A) A body in motion stays in motion at the same speed.

What is is the ratio of the distance over which the force is applied to the distance over which the load is moved