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Question 19N.1.SL.TZ0.3

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Date November 2019 Marks available [Maximum mark: 1] Reference code 19N.1.SL.TZ0.3
Level SL Paper 1 Time zone TZ0
Command term Question number 3 Adapted from N/A
3.
[Maximum mark: 1]
19N.1.SL.TZ0.3

Two forces act along a straight line on an object that is initially at rest. One force is constant; the second force is in the opposite direction and proportional to the velocity of the object.

What is correct about the motion of the object?

 

A. The acceleration increases from zero to a maximum.

B. The acceleration increases from zero to a maximum and then decreases.

C. The velocity increases from zero to a maximum.

D. The velocity increases from zero to a maximum and then decreases.

[1]

Markscheme

C

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