If you break a bar magnet in half you'll
A) destroy its magnetic properties.
B) have two magnets.
C) have two and a half magnets.
D) none of the above
Answer: B
You might also like to view...
All the terrestrial planets lie inside the asteroid belt
Indicate whether the statement is true or false
A bicycle has wheels that are 60 cm in diameter. What is the angular speed of these wheels when it is moving at 4.0 m/s?
A) 1.2 rad/s B) 4.8 rad/s C) 0.36 rad/s D) 13 rad/s E) 7.6 rad/s
A measure of the amount of light a star produces is referred to as__________
A) inherited glare B) intrinsic brightness C) tidal lighting D) differential illumination
Conservation of Momentum: Two astronauts, of masses 60 kg and 80 kg, are initially right next to each other and at rest in outer space. They suddenly push each other apart. How far has the heavier astronaut moved when the lighter astronaut has moved 12 m?
A. 16 m B. 9.0 m C. 21 m D. 7.0 m E. 12 m