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What is the earliest point in the universe that we can observe? why can’t we see back further than this?
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Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? how far will the football travel before it lands?
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14. a body is projected with velocity vi from a.at the same time another body is projectedvertically upwards from point b withvelocity v2 lies vertically below the highestpoint. both the bodies collide thenv2÷v1is
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Two balls are thrown horizontally. ball c is thrown with a force of 20 n, and ball d is thrown with...
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