NUME RICAL QUESTIONS O If the plate microwave oven has a radius of 0.15 m and rotates at 60 rev/min, calculate the total distance traveled by the fly during a 20 grum of radius 40 cm is initially rotating at 400 min cooking period. ught to stop after making 50 revolutions. What lar 1270
NUME RICAL QUESTIONS O If the plate microwave oven has a radius of 0.15 m and rotates at 60 rev/min, calculate the total distance traveled by the fly during a 20 grum of radius 40 cm is initially rotating at 400 min cooking period. ught to stop after making 50 revolutions. What lar 1270
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
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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Angular speed, acceleration and displacement
Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.
Angular Position
Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth with respect to sun, position of school with respect to house, etc. Angular position is the rotational analogue of linear position.
Question
![A disc without slipping rolls down a hill of vertical height 1000cm. If the
disc starts from rest at the top of the hill, what is its magnitude of velocity
angular speeds at the bottom. Neglect friction. (1.96 ms", 7.84 rad s)
12 Amotor car is traveling at a speed of 30 ms'. If its wheet has a diameter of
1.5m, find its angular speed in rad s' and revs'. (40 rad s', 6.36 rev s)
190
Unit
NUMERICAL QUESTIONS
min cooking period.
What
(2.79 rad/s',
15.0g
a
is the angular acceleration and the stopping time?
(T=0.4N)
speed of 2ms'. Find the tension in the string.
(a = 0.00271
ms
in 27.3 days. W hat is the centripetal acceleration?
(65.17 rads
the angular acceleration is uniform find the number of revolutions
(300 rev)
made before stopping.
What is the moment of inertia of a 100 kg sphere whose radius is 50 cm2
(10kgm)
A rope is wrapped several times around a cylinder of radius 0.2 m and mas
30 kg. What is the angular acceleration of the cylinder if the tension in the
rope is 40 N and it turns without friction?
(13.3 rads)
What is the kinetic energy of a 5.0 kg solid ball whose diameter is 15 mifit
rolls across a level surface with a speed of 2m s?
(14J)
OA cylinder of 50cm diameter at the top of an incline 29.4cm high an
10m long is released and rolls down the incline. Find its linear an
angular speeds at the bottom. Neglect friction. (1.96 ms', 7.84 rad s
at the bottom?
(11.4ms)
1.5m, find its angular speed in rad s' and revs'.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa1794913-f8d8-46ce-924f-3ee294cb58d6%2F57603c61-8499-4b88-8c01-ed1ecf1c089a%2Fhxshwtps_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A disc without slipping rolls down a hill of vertical height 1000cm. If the
disc starts from rest at the top of the hill, what is its magnitude of velocity
angular speeds at the bottom. Neglect friction. (1.96 ms", 7.84 rad s)
12 Amotor car is traveling at a speed of 30 ms'. If its wheet has a diameter of
1.5m, find its angular speed in rad s' and revs'. (40 rad s', 6.36 rev s)
190
Unit
NUMERICAL QUESTIONS
min cooking period.
What
(2.79 rad/s',
15.0g
a
is the angular acceleration and the stopping time?
(T=0.4N)
speed of 2ms'. Find the tension in the string.
(a = 0.00271
ms
in 27.3 days. W hat is the centripetal acceleration?
(65.17 rads
the angular acceleration is uniform find the number of revolutions
(300 rev)
made before stopping.
What is the moment of inertia of a 100 kg sphere whose radius is 50 cm2
(10kgm)
A rope is wrapped several times around a cylinder of radius 0.2 m and mas
30 kg. What is the angular acceleration of the cylinder if the tension in the
rope is 40 N and it turns without friction?
(13.3 rads)
What is the kinetic energy of a 5.0 kg solid ball whose diameter is 15 mifit
rolls across a level surface with a speed of 2m s?
(14J)
OA cylinder of 50cm diameter at the top of an incline 29.4cm high an
10m long is released and rolls down the incline. Find its linear an
angular speeds at the bottom. Neglect friction. (1.96 ms', 7.84 rad s
at the bottom?
(11.4ms)
1.5m, find its angular speed in rad s' and revs'.
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