Number 8 (C) What is the linear speed of a point on its rim?Givens/Unknown:Solve:Equation:Substitution:V = .526 mle33.5VErGo(D) What is the centripetal acceleration of a point on its rim?Equation:,Substitution zbe (52Solve:Givens/Unknown:V=-526s1.84 m/s30cmYWhat is the minimum radius at which an airplane flving at 300 m/s can make a U-turn if its centripetalacceleration is NOT to exceed 4 gs? [4g = 39.2 m/s²]Givens/Unknown:6.Equation:Substitution:Solve:A string 1.0 m long breaks when its tension is 100 N. What is the greatest speed at which it can be usedto whirl a 1.0 kg stone?Givens/Unknown:7.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 speedof 8.0 m/s?Givens/Unknown:Equation:Substitution:Solve:9.A 2000 kg car is rounding a curve of radius 200 m on a level road. The maximum frictional force theroad can exert on the tires of the car is 4000 N. What is the highest speed at which the car can round thecurve?Givens/Unknown:Equation:Substitution:Solve:

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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: 8. Equation: Substitution: Solve:

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter10: Fixed-axis Rotation

Section: Chapter Questions

Problem 10.2CYU: Check Your Understanding A centrifuge used in DNA extraction spins at a maximum rate of 7000 rpm,...

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Concept explainers

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.

Question

Number 8

(C) What is the linear speed of a point on its rim?
Givens/Unknown:
Solve:
Equation:
Substitution:
V = .526 mle
33.5
VEr
Go
(D) What is the centripetal acceleration of a point on its rim?
Equation:,
Substitution zbe (52
Solve:
Givens/Unknown:
V=-526s
1.84 m/s
30cmY
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/s²]
Givens/Unknown:
6.
Equation:
Substitution:
Solve:
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:
7.
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:
9.
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:
Equation:
Substitution:
Solve:

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