Aristotle was a Greek philosopher who believed that the planets must move in perfect circles.

A large truck collides head-on with a small car. The car is severely damaged as a result of the collision. According to Newton's third law, how do the forces acting between the truck and car compare during the collision

Which side of continents have a colder climate than might be expected?

Small pipes restrict water flow because of: excessive curvature insufficient drop internal friction

1. Why does Earth's moon have no atmosphere - the average temp is too high -there are no plants to release oxygen -the moon is too far from Earth -the moon's gravity is too weak to hold onto gas molecules 2.

A 2.9-cm-diameter parallel-plate capacitor has a 2.0 mm spacing. the electric field strength inside the capacitor is

Compare and contrast the average kinetic energy of 0.5 L of coffee at 34°C, 0.5 L of coffee at 38°C, and 0.25 L of tea at 43°C.

A 7700-kg box car traveling at 14 m/s strikes a second car at rest. The two stick together and move off with a speed of 5.0 m/s. What is the mass of the second car?

What will happen if there is a change in a magnetic field?

Question 2 10 pts The voltage in a particular circuit is 10.0 V. The current in the circuit is 20 A. What is the resistance? A. 2.0 B. 30 C. 200 D. 0.5

Where in the motion is the magnitude of the net force on the object a maximum? where in the motion is the speed a maximum?