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Physics · Oct / Nov 2020 · Paper 41 · Question 1

0625

As printed in the paper

The question as text

Fig. 1.1 shows an ice-hockey player moving on ice. He is preparing to hit the solid disc called a puck. hockey stick ice-hockey player disc ice Fig. 1.1 The disc of mass 0.16 kg is moving horizontally across the surface of the ice at a speed of 15 m / s.

Read automatically from the paper; the printed page above is exact.

Show the answer and mark scheme
  • 1(a)[2]

    (p =) mv (in any form) or 0.16 × 15

    2.4 kg m / s

  • 1(b)(i)[1]

    3.0 N s and at 45° to the original direction

  • 1(b)(ii)[4]

    vector triangle / parallelogram, e.g.:

    4.8 kg m / s ⩽ magnitude ⩽ 5.2 kg m / s

    scale indicated or correct triangle / parallelogram

    22° (to original direction) ⩽ direction ⩽ 28°(to original direction)

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