Physics, 08.12.2020 07:30 annabanana1298
Dave is walking from the back of a train to the front of the train at a rate of 6
kilometers per hour (km/hr). The train is traveling at a rate of 42 km/hr. What is
Dave's speed, relative to the ground?
Answers: 2
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What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?
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Awater slide of length l has a vertical drop of h. abby's mass is m. an average friction force of magnitude f opposes her motion. she starts down the slide at initial speed vi. use work-energy ideas to develop an expression for her speed at the bottom of the slide. then evaluate your result using unit analysis and limiting case analysis. express your answer in terms of the variables h, m, l, vi, f and appropriate constants. vf v f
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Physics, 22.06.2019 12:30
Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.
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Two carts, one of mass 2m and one of mass m, approach each other with the same speed, v. when the carts collide, they hook together. assume that positive momentum is to the right. which graph best represents the momentum of both carts over time, before and after the collision?
Answers: 3
Dave is walking from the back of a train to the front of the train at a rate of 6
kilometers per ho...
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