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Question 20N.1.SL.TZ0.22

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Date November 2020 Marks available [Maximum mark: 1] Reference code 20N.1.SL.TZ0.22
Level SL Paper 1 Time zone TZ0
Command term Question number 22 Adapted from N/A
22.
[Maximum mark: 1]
20N.1.SL.TZ0.22

Mass M is attached to one end of a string. The string is passed through a hollow tube and mass m is attached to the other end. Friction between the tube and string is negligible.

Mass m travels at constant speed v in a horizontal circle of radius r. What is mass M?

A.  mv2r

B.  mv2rg

C.  mgv2r

D.  mv2gr

[1]

Markscheme

D