Question
Question asked by Filo student
A 50 kg girl is swinging on a swing from rest. Then, the power delivered when moving with a velocity of upwards in a direction making an angle with the vertical is a. 490 b. 490 W c. d. 245 W
Found 2 tutors discussing this question
Discuss this question LIVE
8 mins ago
Text solutionVerified
Sure! Here are the step by step solutions:
Two forces are acting on the bob, tension and weight. The power of tension will be zero and that of weight is:
Substituting the given values, we get:
Therefore, the power delivered is .
One destination to cover all your homework and assignment needs
Learn Practice Revision Succeed
Instant 1:1 help, 24x7
60, 000+ Expert tutors
Textbook solutions
Big idea maths, McGraw-Hill Education etc
Essay review
Get expert feedback on your essay
Schedule classes
High dosage tutoring from Dedicated 3 experts
Practice more questions on Circular and Rotation Motion
Question 1
Hard
Views: 5,693
Question 2
Medium
Views: 5,675
Question 3
Medium
Views: 5,474
Students who ask this question also asked
Question 1
Views: 5,318
Question 2
Views: 5,487
A point mass m is suspended from a light thread of length l, fixed at O, is whirled in a horizontal circle at constant speed as shown. From your point of view, stationary with respect to the mass, the forces on the mass area. b. c. d.
Question 3
Views: 5,926
Reason : Angle of bending measured from ground., decreases as velocity of vehicle increases. a. If both Assertion & Reason are true & the Reason is a correct explanation of the Assertion. b. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion. c. If Assertion is true but the Reason is false. d. If both Assertion & Reason are false.
Question 4
Views: 5,455
Stuck on the question or explanation?
Connect with our Physics tutors online and get step by step solution of this question.
231 students are taking LIVE classes
Question Text | A 50 kg girl is swinging on a swing from rest. Then, the power delivered when moving with a velocity of upwards in a direction making an angle with the vertical is a. 490
b. 490 W
c.
d. 245 W
|
Topic | Circular and Rotation Motion |
Subject | Physics |
Class | Class 12 |
Answer Type | Text solution:1 |