A boat is travelling at a velocity of 45m/s S. if the current of the river is moving at a velocity of 15m/s due east, what is the resultant velocity of the boat

A liquid of density 1370 kg/m 3 flows steadily through a pipe of varying diameter and height. At Location 1 along the pipe, the flow speed is 9.67 m/s and the pipe diameter d 1 is 12.9 cm. At Location 2, the pipe diameter d 2 is 16.7 cm.

Iridium is a component of cosmic dust that rains down upon the earth at a constant rate. Why did Luis Alvarez suggest measuring iridium levels in the K-T boundary? A. He hypothesized that the layer was caused by a supernova explosion. B.

What is the frequency heard by a person driving at 15 m/s toward a blowing factory whistle (750 hz if the speed of sound is 343 m/s?

Give an example of something that is cyclic and non - cyclic

Some injuries can only be corrected surgically

4. Water is flowing at 12m/s in a horizontal pipe under a pressure of 600kpa radius 2cm. a. What is the speed of the water on the other side of 0.5cm radius? b. What is the pressure of the other side?

What caused the solar system to form a disk?

Under what circumstances can air resistance exercises ignored?

How does friction affect all moving objects?

A force of 5N compresses a spring by 4cm. Find the force constant of the spring.