Car 1 drives 35 mph to the east, and car 2 drives 50 mph to the west. From the frame of reference of car 1, what is the velocity of car 2?

A. 85 mph west

B. 15 mph east

C. 85 mph east

D. 15 mph west

A ball of mass m and another ball of mass 3m are placed inside a smooth metal tube with a massless spring compressed between them. When the spring is released, the heavier ball flies out of one end of the tube with speed v0.

Which of the following is a vector? 1. Distance 2. Mass 3. Frequency 4. Force

Negatively charged particles found in shells around the nucleus of a particular atom: A. are equal to the number of protons B. are equal to the number of neutrons C. are equal to the number of protons plus the number of neutrons in the nucleus D.

How high did a rocket travel if it stayed in the air for 10 seconds?

Radioactive was discovered by Albert Einstein Truth or False Need answer

Viruses that lie dormant in host cells unit ready to multiply use which viral reproduction cycle

What is the fundamental source of electromagnetic radiation?

How many constellations are there?

Why don't you feel the electric force on you all the time

During a particular thunderstorm, the electric potential difference between a cloud and the ground is vcloud - vground = 3.50 108 v, with the cloud being at the higher potential.