Physics, 24.02.2020 18:08 jcross11nate
) The current world record for the 100 m dash is 9.58 s, held by Usain Bolt of Jamaica. Calculate his average speed in miles per hour. Note that 1 mile = 1.609 km.
Answers: 3
Physics, 21.06.2019 23:20
Imagine you had to physically add electrons, one at a time, to a previously neutral conductor. you add one electron very easily, but the second electron requires more work. in your initial post to the discussion, explain why this is. also, what happens to the work needed to add the third, fourth, fifth, and subsequent electrons
Answers: 1
Physics, 22.06.2019 11:00
1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?
Answers: 1
Physics, 22.06.2019 15:10
Auniform crate c with mass mc is being transported to the left by a forklift with a constant speed v1. what is the magnitude of the angular momentum of the crate about point a, that is, the point of contact between the front tire of the forklift and the ground
Answers: 3
Physics, 23.06.2019 16:00
Which tools do meteorologists use to create weather forecasts? check all that apply. a)guesses b)computer models c)weather service maps d)data from instruments e)personal observations
Answers: 1
) The current world record for the 100 m dash is 9.58 s, held by Usain Bolt of Jamaica. Calculate hi...
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