Problem:The blade of a fan is 0.20 m long and makes 20 revolutions/seconds.Given:10 resf =Solution:Finda) T=2b) r-0.3 m, -?c) m=3g= 0.003 kg, F=7d) a, -?, = ?2(3.1416)(Om)(5.027m)04,- 12.57T-1rT- 0.4 aa, -(12s(0.003kg)(1257:0.B m3kg)(158.00490.8 mä,-m(0474 kg )a- 1975.060.8 mF= 0.5925 N16d) What happens to the acceleration of the blade if the velocity is doubled andthe radius of the circle is halved?

Acceleration of blade is given by a = v2/r v= velocity of blade r= radius of blade.

Answered: d) What happens to the acceleration of…

Science

Physics

d) What happens to the acceleration of the blade if the velocity is doubled and the radius of the circle is halved?

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Introduction

Section: Chapter Questions

Problem 9WUE

See similar textbooks

Related questions

Q: A fairgrounds ride spins its occupants inside a flying-saucer-shaped container. If the horizontal…

Q: A curve in a speed track has a radius of 1000 ft and a rated speed of 120 mi/h. Knowing that a…

Q: In what way is an object moving in a circle always accelerating? O Its velocity in a straight line…

A: Given object is moving on a circular path we have to find due to which factor object always…

Q: What is the maximum speed (in m/s) at which a car can round a corner with radius 25.0 m, if the…

A: The frictional force is given by Ff = μkN, where μk = the coefficient of static friction N = the…

Q: An airplane pilot experiences the sensation of zero gravity when passing through the top of a…

A: Given: speed, v = 200 m/s

Q: To avoid accident in the road, the minimum velocity with which a car driver must traverse a curve of…

A: Given information: The radius of the curve is, r=150 m The coefficient of friction is, μ=0.6

Q: Determine the minimum angle at which a roadbed should be banked so that a car traveling at 20.0 m/s…

Q: A spaceship negotiates a circular turn of ra (a) What is the magnitude of the a

A: Givenr=3390 kmv=28900 km/h

Q: To undergo uniform circular motion, you have to have a constant radius and constant velocity. True…

Q: A curve on the freeway has a radius r = 300 m. What banking angle would allow vehicles traveling at…

A: Here given that the radius of the curve is 300 m. Now the car is moving at a speed of 35 m/s.We have…

Q: Give an everyday example of circular motion for which the centripetal acceleration is mostly or…

Q: Alexis is in her Toyota Camry and trying to make a turn off an expressway at 19.0 m/s. The turning…

Q: An aviator, pulling out of a dive, follows the arc of a circle and is said to have pulled 3g's in…

Q: A golf ball is launched with the initial conditions shown in the figure. Determine the radius of…

A: here, speed of projection is 151 mi/hr =221.47 ft/s acceleration due to gravity is 32.17 ft/s2

Q: For an object spinning around a central point, what will happen if its distance from the center is…

A: The given problem is based on rotational motion.

Q: car is traveling at a constant speed of 30 km/hr in a circle of radius 200m. Which of the following…

Q: A boll rounds a 60 m radius curve at 6 m/s. The magnitude of it's acceleration in m/s²

A: Given data: Radius (r) = 60 m Speed (v) = 6 m/s Required: The acceleration (a)

Q: 2. The rated speed of a highway curve a of 250ft radius is 40mph. If the coefficient of friction…

Q: A car of mass 1,925 kg travels along a circular road of radius 90.0 m at 15.0 m/s. (a) Calculate the…

A: Given data: Mass (m) = 1925 kg Radius (r) = 90.0 m Speed (v) = 15.0 m/s Required: Centripetal…

Q: A car approaches the top of a hill that is shaped like a vertical circle with a radius of 59.5 m.…

Q: 7] (Choose the correct answer.) An object moving in a circle at constant speed: a. has an…

A: An object moving in a circle with constant speed experience force in radial direction and it's…

Q: It was a dark and stormy night in Winona, Minnesota. A driver advances along an icy road - assume…

A: This is case of Banked turn when there is no friction ,speed with which person take the turn to…

Q: A flat (unbanked) curve on a highway has a radius of 220 m. A car rounds the curve at a speed of…

Q: Medical testing has established that the maximum acceleration a pilot can be subjected to without…

Q: A fairground ride spins its occupants inside a flying saucer-shaped container. If the horizontal…

Q: A car travels at a constant speed of 12.6 m/s on a level circular curve of radius 54m. (a) What…

A: here, speed = 12.6 m/s radius = 54 m

Q: A fairgrounds ride spins its occupants inside a flying-saucer-shaped container. If the horizontal…

A: Expression for centripetal acceleration - ac=v2r .....(1) Expression for angular velocity - v=ωr…

Q: A Ferris wheel with a radius of 9.5 m rotates at a constant rate,completing one revolution every 36…

Q: A 0.35kg ball is attached to a rope in a horizontal circle of radius 85cm. If the rope can withstand…

A: Given that The mass of the ball is (m) = 0.35Kg Radius of horizontal circle…

Q: As a car rounds the top of a hill at a speed of 22.31 m/s, it very briefly loses contact with the…

Q: Which causes a greater effect to the magnitude of the velocity of an object in a uniform circular…

A: If an object moving in a uniform circular motion, the force of the particle experience in the…

Q: A given highway turn has a 110 km/h speed limit and a radius of curvature of 1.3 km 1)What banking…

A: Given Information:- Speed limit of the highway turn is v=110 km/h =110×1 km1 h×1000 m1 km×1 h60…

Q: Can the total acceleration of an object undergoing circular motion be greater than the centripetal…

A: Can total acceleration of an object undergoing circular motion be greater than the centripetal…

Q: A monorail train starts from rest on a curve of radius 4 accelerates at the constant rate a, . If…

A: Given:- A monorail train starts from rest on a curve of a radius of r = 400 m and accelerates at a…

Q: A stuntman drives a car (without negative lift) over the top of a hill, the cross section of which…

A: Assume the mass of the car is denoted by m. The radius of the circle is R = 250 m.

Q: A car at 90 km / h is on a 400 m radius curve. At a given moment, the driver brakes the car, giving…

Q: An object 0.02 Kg moves at a constant speed of 9.0 m/s in a circular path of radius of 1.5 m. a.…

A: Given data: Mass (m) = 0.02 kg Constant Speed (v) = 9.0 m/s Radius (r) = 1.5 m Required: Centripetal…

Q: A highway curve of a radius of 400 m is designed for traffic moving at a speed of 91.0 km/hr. What…

Q: An ordinary workshop grindstone has a radius of 9.00 cm and rotates at 8000 rev/min. (a)Calculate…

Q: When an object is in uniform circular motion, the velocity of the object changes. never True False

A: Concept Uniform circular motion:- The motion of an object moving along a circular path with a…

Q: 120. A plumb bob hangs from the roof of a railroad car. The car rounds a circular track of radius…

Q: Give a numerical estimate of the minimum safe radius of curvature ?minrmin for an unbanked, circular…

A: Let,f=centripetal forceFN=Normal forceM=mass of the vehicleg=gravitational accelerationFc=…

Q: A person drives a car around a circular cloverleaf with a radius of 80 m at a uniform speed of 10…

A: The magnitude of the centripetal acceleration (a) of a body moving around a circular path of radius…

Q: A plumb bob hangs from the roof of a railroad car. The car rounds a circular track of radius 300.0 m…

A: Given data The radius of the circular track is given as r = 300 m. The speed of the car is given as…

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

Problem:
The blade of a fan is 0.20 m long and makes 20 revolutions/seconds.
Given:
10 res
f =
Solution:
Find
a) T=2
b) r-0.3 m, -?
c) m=3g= 0.003 kg, F=7
d) a, -?
, = ?
2(3.1416)(Om)
(5.027m)
04
,- 12.57
T-1r
T- 0.4 a
a, -
(12s
(0.003kg)(1257:
0.B m
3kg)(158.0049
0.8 m
ä,-
m
(0474 kg )
a- 1975.06
0.8 m
F= 0.5925 N
16
d) What happens to the acceleration of the blade if the velocity is doubled and
the radius of the circle is halved?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

Convert: (a) 250 lb-ft to N-m, (b) 350 lb/ft3 to kN/m3, (c) 16 ft/h to mm/s
(a) Determine the shape factor/for a hollow circular cross section having inner radius r1and outer radius r2 (sec figure), (b) If the section is very thin, what is the shape factor?
The thin outer layer of Earth, called the crust, contains only 0.50 percent of Earth’s total mass andyet is the source of almost all the elements (the atmosphere provides elements such as oxygen, nitrogen, and a few other gases). Silicon (Si) is thesecond most abundant element in Earth’s crust(27.2 percent by mass). Calculate the mass of silicon in kilograms in Earth’s crust. (The massof Earth is 5.9 x 1021 tons. (1 ton = 2000 lb;1 lb = 453.6 g.)
How long a piece of wire would you need to form a circular arc subtending an angle of 1.2 rad , if the radius of the arc is 8.4 cm ? Express your answer using two significant figures.
please help me do this the answers : a) s= t^3 - 9t^2 - 21t - 1 b) 117 m c) t > 7
What is eqavilent to 8.0(1m=100)
in physics, a quantity called power is defined, which is difined ratio of work done for a Certain period of time. If power units of principal units are written in Kgim in terms of principal units as the m.s what is the result Catß+8)
Number 7 answer should be (a) 826 N (b) 10,732 J (c) _10,065 J and (d) 3.8 m/d You must Answer no. 7 and 8 Thank you in advance. I hope you can answer those questions
I need help with this question. I also don't know what the units should be for the answer. Is it m/s^2 or is it kg m/s^2
8. Solve the following linear equation q(t) with conditions. dą -1- IR = 0 (I =", t= 0, q(0) = 0, qo = Cɛ) C dt'
Suggest an equation relating Felect, q1, q2 and d of the form Felect = k... where k is a proportionality constant (no need to determine its value). Place the three variables q1, q2 and d on the right side of the equation in a numerator or a denominator; use a power if needed.
A projectile is modelled by the function 9.81 -t' + vot + ho, 2 h(t) with h measured in meters. Using the table of given information below, find the first time the projectile reaches a height of 12.0 m. Round your answer to 2 decimal places. VO= 15.64 m/s ho = 1.5 m Your Answer: Answer units