Sound travels at a speed of 330 m/s. If a firecracker exploded 3680 m away from you, how long does it take the sound of the explosion to reach you?

Yvette hangs a 2.4kg bird feeder in the middle of a rope tied between two trees. the feeder creates a tension of 480 n in each side of the the rope.

Which of the following is not a physical property of mattera. melting pointb.heat of combustionc. viscosityd. boiling point

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge