Physics, 10.09.2019 17:20 kaneisha20
Apopular web video shows a jet airplane, a car, and a motorcycle racing from rest along a runway. initially the motorcycle takes the lead, but then the jet takes the lead, and finally the car blows past the motorcycle. here let’s focus on the car and motorcycle and assign some reasonable values to the motion. the motorcycle first takes the lead because its (constant) acceleration am = 8.40 m/s2 is greater than the car’s (constant) acceleration ac = 5.60 m/s2, but it soon loses to the car because it reaches its greatest speed vm = 58.8 m/s before the car reaches its greatest speed vc = 106 m/s. how long does the car take to reach the motorcycle?
Answers: 3
Physics, 22.06.2019 17:40
Which describes an object in projectile motion? check all that apply.a.gravity acts to pull the object downb.the object moves in a straight path.c.the forward velocity of the object is 0 m/s.d.the object’s inertia carries it forward.e.the path of the object is curved.
Answers: 2
Physics, 22.06.2019 19:00
Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?
Answers: 1
Apopular web video shows a jet airplane, a car, and a motorcycle racing from rest along a runway. in...
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