Monday
March 30, 2015

Homework Help: physics

Posted by y912f on Monday, February 16, 2009 at 8:35pm.

please check my answers

what are the SI units for momentum?

kg*m/s

which of the following is not involved in hitting a tennis ball?

a. kinetic energy
b. chemical potential energy
c. gravitational potential energy
d. elastic potential energy

i picked B

How much power is required to lift a 2.0 kg mass at a speed of 2.0 m/s?

4.0 J?

i'm not sure about the last one..thanks for checking:)

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics - what forms of energy are involved in the following situations? (...
PHYSICS helppppp - A 0.2 kilogram baseball is thrown vertically downwards ...
Physics- check answer please - 1. A 15 kg boy falls out of his bed at a height ...
physics - You reach out a second-story window that is 17 m above the sidewalk ...
Physics -- check answers please - Use g=10 N/kg in this assignment. 1. What is ...
science - A ball sitting on the top of a table has potential energy but no ...
science - A ball sitting on the top of a table has potential energy but no ...
science(check answers) - can someone check my answer thanks ! 2.The ability to ...
science(answer please) - please answer these 1.what similarities do nuclear ...
Check answers please? - Use g=10 N/kg in this assignment. 1. What is the ...

Members