Two strings of equal length are stretched out with equal tension. The second string is four times as massive as the first string. If a wave travels down the first string with velocity v, how fast does a wave travel down the second string?

The phenomenon in which the effects of cold air are worsened by wind is the

Would happen if the rate that Dark Energy is expanding the universe would increase, but if gravity increased with it so the great Rip wouldn't happen?

Rebecca was at the playground and found a rusted nail. What happened to the nail? A) It went through a physical change because the oxygen in water mixed with air. B) It went through a phase change because the oxygen in water mixed with air.

What activities can you do on Jupiter?!

What is the difference between Groups and Periods?

X-component is 5, and y-component is 4. what is the angle of vector?

An open train car, with a mass of 2150 kg, coasts along a horizontal track at the speed 2.83 m/s. The car passes under a loading chute and, as it does so, gravel falls vertically into it for 2.95 s at the rate of 481 kg/s.

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. Which statement is true for this reaction?

Why does an object in motion stay in motion unless acted on by an unbalanced force? A) because forces are what stop and start motion B) because balanced forces cannot exist in nature C) because motion is the inherent state of all matter D) because

A car travels 100 meters in 4.0 seconds. find its average velocity.