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Question 21M.1.SL.TZ2.7

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Date May 2021 Marks available [Maximum mark: 1] Reference code 21M.1.SL.TZ2.7
Level SL Paper 1 Time zone TZ2
Command term Question number 7 Adapted from N/A
7.
[Maximum mark: 1]
21M.1.SL.TZ2.7

Two identical blocks, each of mass m and speed v, travel towards each other on a frictionless surface.

The blocks undergo a head-on collision. What is definitely true immediately after the collision?

A. The momentum of each block is zero.

B. The total momentum is zero.

C. The momentum of each block is 2mv.

D. The total momentum is 2mv.

[1]

Markscheme

B

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