Monday
November 24, 2014

Homework Help: Physical Science Two Questions Please help!

Posted by Amaya on Monday, February 27, 2012 at 11:17am.

If no friction acts on a diver during a dive, then which of the following statements is true?

A) The total mechanical energy of the system increases.
B) Potential energy can be converted into kinetic energy but not vice versa.
C) (KE + PE)beginning = (KE + PE)end
D) all of the above

In which of the following does Einsteinís famous equation apply?

A) driver bringing a car to a halt
B) collisions between objects
C) water falling in a waterfall
D) nuclear fission and fusion reactions


Thank you for your help! ^_^

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physical Science - If no friction acts on a diver during a dive, then which of ...
Physical Science Question 1 - If no friction acts on a diver during a dive, then...
Physics - An Olympic diver performs a dive from the 10 m platform and achieves a...
Physics helppp - Which of the following statements are TRUE? Select all that ...
Science 8R - help (please read!!!) - Homework - Pick 4 out of the 6 forms (types...
physical science - If gravity is the only force present, what is the total ...
physics - A 20.0-kg model plane flies horizontally at a constant speed of 12.2 m...
Science (please check my answers) - 7. During the process of photosynthesis, ...
science - to begin a dive, a diver jumps into the air and then lands on the ...
Physical Science - Can someone give me two examples of mechanical energy and one...

Search
Members