The scientist who found a way to measure the distance between the sun and Venus which helped later to have a scale of our solar system *

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

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