A ship sends out a pulse of sound and receives an echo back one second later. If the water is 750m deep, what is the speed of sound in water?

What causes the vivid bands seen in jupiter's upper atmosphere?

How to find the gradient of a velocity time graph

What is the momentum of a 35-kilogram cart moving at a speed of 1.2 meters/second?

A squirrel drops an acorn onto the head of an unsuspecting dog. The acorn falls 4.0m before it lands on the dog. We can ignore air resistance. How many seconds did the acorn fall?

What would increase the resistance of a copper wire? A. decreasing the wire's thickness B. decreasing the wire's temperature C. decreasing the wire's length

What would happen to the coil if the current passing through it was too large?

Listed following are three possible models for the long-term expansion (and possible contraction) of the universe in the absence of dark energy: A) recollapsing universe B) coasting universe C) critical universe Rank each model from left to right

Suppose a bird takes off from a tree and flies in a straight line. It reaches a speed of 1o miles per second. What is the change in the bird's velocity?

What would tweezers be used for in a first-aid kit? A. To remove objects from the eye B. To remove a splinter from the hand C. To pull back skin from a wound D. To set a stress fracture

Bambi is walking along the train tracks when he suddenly notices a fast approaching train and freezes in his tracks like a deer in headlights.