A woman is reported to have fallen 121 ft from a building, landing on a metal...
A woman is reported to have fallen 132 ft from a building, landing on a metal ventilator box, which she crushed to a depth of 29 in. She suffered only minor injuries. (a) Neglecting air resistance, calculate the speed of the woman just before she collided with the ventilator box. ft/s (b) Calculate her average acceleration while in contact with the box ft/s2 (c) [Not Graded] Calculate the time it took to crush the box.
A woman is reported to have fallen 129 ft from a building, landing on a metal ventilator box, which she crushed to a depth of 24 in. She suffered only minor injuries (a) Neglecting air resistance, calculate the speed of the woman just before she collided with the ventilator box. 90.9 (b) Calculate her average acceleration while in contact with the box. ft/s ft/s2 (c) Calculate the time it took to crush the box
2. 1-D Kinematics, Constant Acceleration After falling a distance of 45.0 m from the top of a building, a box is landing on the top of a car, which is crushed to a depth of 0.50 m due to the impact. g = 9.8m/s2 Calculate: a) the speed of the box just before it touches the top of the car. b) The average acceleration of the box during the impact. c) The time it took to crush the roof. 3....