What type of wave doesn't require a medium?

Rock that is composed of different layers can begin eroding from the inside this creating an arch true or false

A sudden discharge of static electricity during a thunderstorm is called

If the road is wet the thinking distance will be longer. True or false. Why?

Which of the following describes how the Mid-Atlantic Ridge formed on Earth at a divergent plate boundary? Plates moved in closer Plates slid past each other Plates moved with each other in the same direction Plates moved apart

Describe the relationship between the potential energy and kinetic energy of an object and the amount of Kinetic energy it can gain in a gravitational field

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?

Which movies are longer than 2 hours?