Physics, 14.07.2019 02:10 austinkellylay
Adense metal sphere is dropped from a 10-meter tower, and at the exact same time an identical metal sphere is thrown horizontally from the same height. if air friction is ignored, which statement below is true?
a. both spheres land at the same time.
b. the thrown sphere lands before the dropped sphere.
c. the dropped sphere lands before the thrown sphere.
d. the horizontal speed of the thrown sphere will determine whether it will land first or not.
Answers: 1
Physics, 21.06.2019 19:30
11. you want to calculate the displacement of an object thrown over a bridge. using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?
Answers: 1
Physics, 22.06.2019 10:30
Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.
Answers: 1
Physics, 22.06.2019 11:00
Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?
Answers: 1
Adense metal sphere is dropped from a 10-meter tower, and at the exact same time an identical metal...
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