A force of 10 N is making an angle of 30° with the horizontal. Its horizontal component will be: A. 4N
B. 5N
C. 7N
D. 8.7 N

Name the non metal condut electricity

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.

What is the increase in density of a medium due to wave travel?