a man standing in front of a mountain sends a sound and hear it's Echo after 2 seconds calculate the distance between the man and the mountain consider the speed of sound is 340 m/s

an electric bulb drain a current of 0.25A for 20 minutes calculate the amount of electric charge that flows through the circuit

A bluefin tuna can reach speeds of up to 22 m/s. Suppose one tuna falls behind the rest of the school by a distance of 55 meters. How quickly can the tuna catch up A) 1.75 seconds B) 2.5 seconds C) 3.45 seconds D) 4.3 seconds

The diagram shows that currently about 100 gigatons/year of carbon are moved from the atmosphere to vegetation on land. Which process could decrease this number? ncdc. noaa. gov. A. reducing the amount of urban area in the world. B.

Explain why astronomers use the term "blueshifted" for objects moving toward us and "redshifted" for objects moving away from us.

A fuse in a motor vehicle electrical system has a resistance of 0.05 Ω. It is designed to blow when the power dissipation exceeds 50 W. What is the current rating of the fuse?

If 30 N of force is exerted over an area of 20 m2, how much pressure is being applied? A. 1.5 pascals B. 50 pascalsC. C. 600 pascals

A cannon recoils from launching a cannonball. The speed of recoil is small because the?

Which statement is correct

The toxic effects of water pollution are generally

Thermal energy flows spontaneously from hotter objects to colder ones. a. True b. False