A sonometer wire of length 100 cm under tension of 10N and has a frequency of 350 Hz keeping the length of wire constant tension is adjusted to produce a new frequency of 350 Hz find the new tension is

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?

Why does lightning travel from clouds to the ground?

Astone is dropped from the upper observation deck of a tower, 250 m above the ground. (assume g = 9.8 m/s2.) (a) find the distance (in meters) of the stone above ground level at time t. h(t) = (b) how long does it take the stone to reach the ground? (round your answer to two decimal places.) s (c) with what velocity does it strike the ground? (round your answer to one decimal place.) m/s (d) if the stone is thrown downward with a speed of 2 m/s, how long does it take to reach the ground? (round your answer to two decimal places.) s