What is the minimum radius at which an airplane flying at 300 m/s can make a U-turn if its centripetal acceleration is NOT to exceed 4 gs? [4g = 39.2 m/s*] Givens/Unknown: 6. Equation: Substitution: Solve:

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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Number 6
(C) What is the linear speed of a point on its rim?
Equation:
VEri
Givens/Unknown:
Substitution:
Solve:
33.5
V = .526 m/s
V
(D) What is the centripetal acceleration of a point on its rim?
Substitution:
(0.526em (5)
Givens/Unknown:
Equation:
Solve:
1.8t m/s2
T Ooch
What is the minimum radius at which an airplane flving at 300 m/s can make a U-turn if its centripetal
acceleration is NOT to exceed 4 gs? [4g = 39.2 m/s?]
Givens/Unknown:
6.
Equation:
Substitution:
Solve:
7.
A string 1.0 m long breaks when its tension is 100 N. What is the greatest speed at which it can be used
to whirl a 1.0 kg stone?
Givens/Unknown:
Equation:
Substitution:
Solve:
8.
What is the centripetal force needed to keep a 3.0 kg mass moving in a circle of radius 0.50 m at a speed
of 8.0 m/s?
Givens/Unknown:
Equation:
Substitution:
Solve:
A 2000 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?
Givens/Unknown:
9.
Equation:
Substitution:
Solve:
Transcribed Image Text:(C) What is the linear speed of a point on its rim? Equation: VEri Givens/Unknown: Substitution: Solve: 33.5 V = .526 m/s V (D) What is the centripetal acceleration of a point on its rim? Substitution: (0.526em (5) Givens/Unknown: Equation: Solve: 1.8t m/s2 T Ooch What is the minimum radius at which an airplane flving at 300 m/s can make a U-turn if its centripetal acceleration is NOT to exceed 4 gs? [4g = 39.2 m/s?] Givens/Unknown: 6. Equation: Substitution: Solve: 7. A string 1.0 m long breaks when its tension is 100 N. What is the greatest speed at which it can be used to whirl a 1.0 kg stone? Givens/Unknown: Equation: Substitution: Solve: 8. What is the centripetal force needed to keep a 3.0 kg mass moving in a circle of radius 0.50 m at a speed of 8.0 m/s? Givens/Unknown: Equation: Substitution: Solve: A 2000 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? Givens/Unknown: 9. Equation: Substitution: Solve:
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