Physics, 16.10.2020 18:01 WildfireintheHeart
Johnny drops another penny from the roof of a building, 30 meters above the ground. a) What speed will the penny have right before it hits the ground? b) How long will it take the penny to reach the ground?
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Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.
Answers: 3
Physics, 22.06.2019 16:30
When conducting an investigation to determine which type of fertilizer produces the most flowers on a plant, which variable would be graphed on the x-axis once you collected the data? a. type of fertilizer b. amount of flowers c. amount of water d. number of days that the plants grew
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Physics, 22.06.2019 22:20
One hazard of space travel is debris left by previous missions. there are several thousand masses large enough to detect by radar orbiting the earth, but there are far greater numbers of very small masses such as flakes of paint. calculate the force exerted by a 0.110 mg chip of paint that strikes a space shuttle window at a relative speed of 5.00 ✕ 103 m/s and sticks, given the collision lasts 6.00 ✕ 10-8 s. such a collision chipped the window of the ill-fated challenger in june 1983, causing $50,000 of damage.
Answers: 2
Johnny drops another penny from the roof of a building, 30 meters above the ground. a) What speed wi...
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