Maurice Tutor

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About Maurice Tutor

Levels Tought:
Elementary,Middle School,High School,College,University,PHD

Expertise:
Algebra,Applied Sciences See all
Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
Last Sign in: 408 Weeks Ago
Questions Answered: 66690
Tutorials Posted: 66688

Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

Experience

  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 08 Nov 2017 My Price 7.00

circular motion,

To study circular motion, two students use the hand-held device shown above, which consists of
a rod on which a spring scale is attached. A polished glass tube attached at the top serves as a guide for a light
cord attached the spring scale. A ball of mass 0.200 kg is attached to the other end of the cord. One student
swings the teal around at constant speed in a horizontal circle with a radius of 0.500 m. Assume friction and air
resistance are negligible.
a. Explain how the students, by using a timer and the information given above, can determine the speed of the ball
as it is revolving.
b. The speed of the ball is determined to be 3.7 m/s. Assuming that the cord is horizontal as it swings, calculate
the expected tension in the cord.
c. The actual tension in the cord as measured by the spring scale is 5.8 N. What is the percent difference between
this measured value of the tension and the value calculated in part b.?
The students find that, despite their best efforts, they cannot swing the ball so that the cord remains exactly
horizontal.
d. i. On the picture of the ball below, draw vectors to represent the forces acting on the ball and identify the force
that each vector represents.
ii. Explain why it is not possible for the ball to swing so that the cord remains exactly horizontal.
iii. Calculate the angle that the cord makes with the horizontal.

Answers

Maurice Tutor
(5)
Status NEW Posted 08 Nov 2017 10:11 PM My Price 7.00

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