The hammer of an electric bell strikes 1440 times in a minute and does a work of 0.2 J per strike. what is the power of hammer in S. I. system?

The earth makes () around the sun in it's ()

What kind of waves are responsible for all the damage an earthquake causes?

A ball is dropped from a cliff and has an acceleration of 9.8 m/s^2 how long will it take the ball to reach a speed of 24.5 m/s

The force of ___ acts between all objects

Which of the following pairs of terms directly relates to the actual brightness of a star? A. absolute magnitude and luminosity B. apparent magnitude and luminosity C. size and luminosity D. absolute magnitude and apparent magnitude

Anyone want to get a conversation going again? lol

What is a characteristic of nuclear fusion but not nuclear fission?

Starting at its rightmost position, it takes 2 seconds for the pendulum of a grandfather clock to swing a horizontal distance of 18 inches from right to left and 2 seconds for the pendulum to swing back from left to right.

A child aims his air rifle at an angle of 10 degrees above the horizontal. he fires a bb while simultaneously dropping another b-b from rest, from the same height as the rifle barrel. which b-b will hit the ground first

Which of the following has a crystalline appearance? baking soda salt baking powder corn starch