Three identical coins lie on three corners of a square a = 10.0 cm on a side, as shown in the figure. Determine the x and y coordinates of the center of gravity.

If a ball dropped from a tower reaches the ground after 3.5 seconds, what is the height of the tower? Given: g = - 9.8 meters/second2

Which statement is true about a polarized object?

A crow who wants to eat a snail will drop it from a high place to crack the snail's shell and expose the tasty flesh. In order to crack the snail's shell, it must be going 15 m/s when it hits the ground. Assume that the snail free falls.

Would two north poles attract each other or push away frim each other

Which quantities decrease as the distance between a planet and the sun increase

Science fiction movies that include explosion sound effects for battles in space are not scientifically correct. Why is this? A. The sound from an explosion can only be transmitted by air. B.

What is the kinetic energy of a 1,900 kg car moving at 89 km/h?

Why do we study black holes

Calculate the kinetic energy of a charging elephant if its mass is 5,000kg and it moves at 8m/s

Why is a decrease in Earth's ozone harmful to life?