Physics, 31.03.2020 22:30 khikhi1705
Suppose an object in free fall is dropped from a building. It's starting velocity is 0 m/s. What is the speed (in m/s) of the object after falling 3 seconds ?
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What properties of a moving object are used in determining the object's energy of motion
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Physics, 22.06.2019 16:20
Select the correct answer. what does the process of natural selection involve?
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Physics, 22.06.2019 21:30
Contrast the force of gravity between these pairs of objects: 1-kg mass and a 2-kg mass that are 1 m apart; a 1-kg mass and a 2-kg mass that are 2 m apart; and two 2=kg masses that are 1 m apart. i dont understand.
Answers: 3
Physics, 23.06.2019 02:00
Estimate the kinetic energy of mars with respect to the sun as the sum of two terms, that due to its daily rotation about its axis, and that due to its yearly revolution about the sun. (assume mars is a uniform sphere with mass = 6.4Γ10 to the power of 23 kg, radius = 3.4Γ10 to the power of 6 m, rotation period = 24.7 hours, orbital period = 686 days and is 2.3Γ10 to the power of 8 km from the sun.)
Answers: 2
Suppose an object in free fall is dropped from a building. It's starting velocity is 0 m/s. What is...
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