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# a disc of radius r is rolling purely on a flat horizontal surface

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## A disc of radius R is rolling purely on a flat horizontal surface, with a constant angular velocity. The angle between the velocity and the acceleration vectors of point P is :

Click here👆to get an answer to your question ✍️ A disc of radius R is rolling purely on a flat horizontal surface, with a constant angular velocity. The angle between the velocity and the acceleration vectors of point P is : Question

## A disc of radius R is rolling purely on a flat horizontal surface, with a constant angular velocity. The angle between the velocity and the acceleration vectors of point P is : A

## Zero

B45

o

C135

o

Dtan

−1 (1/2) Medium Open in App

Updated on : 2022-09-05

Solution Verified by Toppr

Correct option is B)

The acceleration vector is always in the horizontal direction for any point on the disc. The velocity of point P is composed if two components- one in the horizontal direction and the other in the vertical direction perpendicular to the radius. Both of these are equal to v and thus their resultant is

2 ​ v at an angle of 45 0

to the horizontal. Thus we get the angle between the velocity and the acceleration vectors.

33 3

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## A disc of radius R is rolling purely on a flat horizontal surface, with a constant angular velocity.

A disc of radius R is rolling purely on a flat horizontal surface, with a constant angular velocity.The angle between ... (C) 135º (D) tan -1 (1/2) ## A disc of radius R is rolling purely on a flat horizontal surface, with a constant angular velocity.

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## A disc of radius R is rolling purely on a flat horizontal surface, with a constant angular velocity. The angle between the velocity and acceleration vectors of point P is .

.A disc of radius R is rolling purely on a flat horizontal surface, with a constant angular velocity. The angle between the velocity and acceleration vectors of point P is .

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A disc of radius R is rolling ...

A disc of radius `R` is rolling purely on a flat horizontal surface, with a constant angular velocity. The angle between the velocity and acceleration vectors of point `P` is .

Updated On: 27-06-2022

Solution . Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams.

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