Thursday
April 2, 2015

Homework Help: physics

Posted by Jon on Monday, March 31, 2008 at 5:27pm.

8)If an airplane is moving at a constant velocity of 400 m/s for 20 s, what is its acceleration during this period?

0 m/s^2 b/c no change

10)You try to move a couch across the floor but it doesn't move. What is the other force acting on the couch?

Static friction

11)You finally get the couch in Problem 10 to move, What other force is acting on the couch now?

Kinetic friction

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics - If an airplane is moving at a constant velocity of 400 m/s for 20 s, ...
Physics - 10. You try to move a couch across the floor but it doesn't move. What...
physics - an airplane was moving with a velocity equal to 150 mph when the ...
Physics - A couch with a mass of 100 kg is placed on an adjustable ramp ...
engineering - an airplane was moving with a velocity equal to 300 mph when the ...
Physics - A train moving at a constant speed on a surface inclined upward at 10....
science - describes the movement of an object at rest if no outside forces act ...
Science - Which of the following best describes the movement of an object at ...
science - a particle is moving with a velocity of 5m/s .after 5sec it is found ...
Science!!! - Two people are pushing a couch from opposite sides. One person is ...

Members