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# Physics Unit 3

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a) The time it takes for the object to hit the ground will remain constant because earth's gravity pulls on every object with the same amount of force. The object will accelerate towards the earth at 9.8m/s^2.
b) The rock will hit the ground farther away from where it was thrown, if it is thrown harder, but it will still hit the ground at the same exact time as the rock thrown softer or even dropped.
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a) The time it takes for the object to hit the ground will remain constant because earth's gravity pulls on every object with the same amount of force. The object will accelerate towards the earth at 9.8m/s^2.
b) The rock will hit the ground farther away from where it was thrown, if it is thrown harder, but it will still hit the ground at the same exact time as the rock thrown softer or even dropped.
You throw a rock horizontally. In a second horizontal throw, you throw the rock harder, and give it more speed.
a) How will the time it takes the rock to hit the ground be affected?
b) How will the increased speed affect the distance from where the rock left your hand to where the rock hits the ground?