Physics, 03.08.2019 01:00 spooderfaxy7813
Scientists hypothesize that there are no dinosaurs alive today because a) an ice age froze all of the dinosaurs. b) they were killed when a large meteor hit earth. c) they could not adapt a new environment to avoid extinction. d) mammals out-competed the dinosaurs for food and living space.
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What do you think car designers do if the damage caused by a crash test is too severe?
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Physics, 22.06.2019 09:00
A2000 kg car is rounding a curve of radius 200 m on a level road. the maximum frictional force the road can exert on the tires of the car is 4000 n. what is the highest speed at which the car can round the curve?
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Physics, 22.06.2019 12:10
Energy flows from the producer level to the level. is called
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Physics, 22.06.2019 21:20
16. a brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a force of 800 n on him. the mass of the losing player plus equipment is 90.0 kg, and he is accelerating at 1.20m/s2 size 12{1 "." "20"" m/s" rsup { size 8{2} } } {} backward. (a) what is the force of friction between the losing player’s feet and the grass? (b) what force does the winning player exert on the ground to move forward if his mass plus equipment is 110 kg? (c) draw a sketch of the situation showing the system of interest used to solve each part. for this situation, draw a free-body diagram and write the net force equation.
Answers: 2
Scientists hypothesize that there are no dinosaurs alive today because a) an ice age froze all of th...
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