The factor by which Δ t will get larger or smaller if d is made three times larger.

Question

ROTATIONAL DYNAMICS Question 01 A solid circular cylinder and a solid spherical ball of the same mass and radius are rolling together down the same inclined. Calculate the ratio of their kinetic energy. Assume pure rolling motion Question 02 A sphere and cylinder of the same mass and radius start from ret at the same point and more down the same plane inclined at 30° to the horizontal Which body gets the bottom first and what is its acceleration b) What angle of inclination of the plane is needed to give the slower body the same acceleration Question 03 i) Define the angular velocity of a rotating body and give its SI unit A car wheel has its angular velocity changing from 2rads to 30 rads seconds. If the radius of the wheel is 400mm. calculate ii) The angular acceleration iii) The tangential linear acceleration of a point on the rim of the wheel Question 04 in 20

Answer 1

Question

Chapter 1, Problem 28P

(a)

To determine

The factor by which Δt will get larger or smaller if d is made three times larger.

(b)

To determine

The pattern of proportionality of Δt to d does the equation predict.

(c)

To determine

The quantities that should be plotted on the horizontal and vertical axis to display the above proportionality as a straight line on a graph,

(d)

To determine

The slope of the above graph.

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