Which statement about friction is true?

1. Friction increases the speed of objects in motion.

2. Friction acts in a direction opposite to an object's motion.

3. Friction between objects depends solely on the types of surfaces involved

You drop an object from a second floor window. Describe the speed of the object after 1 second

Overtones show up at approximately which two sets of wavenumbers?

Which planet has an enormous storm called the Great Red Spot swirling in its atmosphere? a. Jupiter b. Saturn c. Uranus d. Neptune

The difference between experimental technique and procedure

During a thunder storm, movement of water molecules within clouds creates friction which causes the bottom of the clouds to become negatively charged. This means that the bottom of the cloud and the ground begin to act like parallel plates.

A certain rock contains large jagged pieces of other rocks cemented by fine particles what type of rock is this explain

Could a nucleus that has one proton but no neutrons exist?

Which physical quantities has the unit kg·m·s-1?

Can an object travel at the speed of light? Why or why not?

Determine the amount of potential energy of a 5 Newton's book that is moved to three different shelves on a bookcase. The height of the shelves is 1.0 meter, 1.5 meter, and 2.0 meter