(a) what is the unit vector pointing from the origin to the diagonally opposite corner at location < 7.9, 7.9, 7.9 > cm? (express your answer in vector form.)

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

What quantity do units represent in value

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