PHYS 1010 Study Guide - Midterm Guide: Antiderivative, European Route E6

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Published on 16 Oct 2018
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PHYS 1010 6.0: CLASS TEST 2
Time: 50 minutes; Calculators & formulae provided at the end = only aid; Total = 20 points.
1) [5] When a fighter pilot makes a very quick turn he can pass out due to the centripetal
acceleration associated with the turn. This happens typically when this acceleration reaches
8g. Consider a pilot flying at 2200 km/h (2.2×103km/h) steering into such a turn. What is
the minimum radius he needs to follow to avoid a black-out?
2) [5] A roller coaster track as shown in the figure is designed such that a car travels upside
down when at the top. The track has a radius of 25 m. What is the minimum speed the car
has to have at the top to avoid falling out of the track? Start with a free-body diagram and
explain your steps.
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Document Summary

Consider a pilot ying at 2200 km/h (2. 2 103 km/h) steering into such a turn. What is the minimum radius he needs to follow to avoid a black-out: [5] a roller coaster track as shown in the gure is designed such that a car travels upside down when at the top. Start with a free-body diagram and explain your steps. Calculate the gravitational attraction that m2 and m3 exert on m1. Start with a drawing indicating the positions of the masses and the force vectors acting on m1. 2: a car is pushed along a long road that is straight, at, and parallel to the x direction. 2 a t2 f (t) dt = t2 f (t) dt = at + c f (t) = anti-derivative = inde nite integral g = 9. 8 m/s2. E (cid:126)fd (cid:126)v; linear: fd = dv; quadr. : fd = 0. 5 av2; a = cross s"n area; = density of medium.

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