From a rooftop, a rock is released at rest and 2 seconds later, a marble is thrown downward from the roof with initial speed of 24.5 m/sec. Both hit the ground at the same instant.
Find the height of the building.© BrainMass Inc. brainmass.com March 4, 2021, 5:43 pm ad1c9bdddf
Let H = the height of the building and t the flight time for the marble. For the rock, y(t) is:
(1) H= .5 g t^2
For the ...
The height of building after a rock and a marble are thrown downward are determined. with clear explanations, the problem are solved showing the calculations.