Motion (Edexcel International A Level (IAL) Physics): Exam Questions

Exam code: YPH11

53 mins17 questions
1a
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2 marks

A sledge accelerates, due to gravity, from rest down a frictionless slope. Air resistance can be ignored. The slope is at an angle of 6.9° to the horizontal, as shown.

screenshot-2023-01-12-at-14-58-13

Complete the free‐body force diagram below for the sledge.

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1b
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6 marks

The slope has a total length of 60m

i) Show that the initial acceleration of the sledge along the slope is about 1 m s−2

                              Initial acceleration = ........................................ (2)

ii) Determine the speed of the sledge at the end of the slope.

                                          Speed at end of slope = .................................... (2)

iii) Determine the time taken for the sledge to travel to the end of the slope.

                               Time taken = ...................................... (2)

2a
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3 marks

A trolley accelerates from rest at point A, down a straight track to point B. The trolley then continues along a horizontal track to point C, as shown.

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The effects of air resistance and friction are negligible.

Show that the trolley reaches point B with a speed of about 3 m s−1 .

2b
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4 marks

Determine the time taken by the object to move from point A to point C.

Time taken = ..........................

3a
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5 marks

A skier moving at 25 m s−1 skis off a ramp. The ramp is angled upwards at 10° to the horizontal, as shown.

There is a flat surface that starts 30 m from the ramp. The flat surface is 2.9 m below the ramp.

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Deduce whether the skier reaches the flat surface before landing. You may ignore any effects of air resistance.

3b
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3 marks

Another skier travels along the horizontal surface with an initial speed of 23 m s−1 .

She comes to rest after travelling a distance of 43 m.

Calculate the average force required to bring the skier to rest.

mass of skier = 63 kg

                                     Average force = .............................

1a
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3 marks

An explosion projects a rock into the air with a speed of 50 m s–1 at an angle to the horizontal of 40°.

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Show that the rock would reach its maximum height about 3 s after the explosion.

1b
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6 marks

The rock moves in the direction of a hill. The side of the hill is at 20° to the horizontal, as shown.

q16b-wph11-01-oct-2021-edexcel-int-as-and-a-level-phy

After a certain distance, the rock lands on the side of the hill.

Deduce whether the rock hits the ground before it reaches its maximum possible height.

2a
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2 marks

A stunt motorcyclist wants to jump across a river to land on the other side. The diagram shows the motorcyclist driving off a ramp at the edge of a river.

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The ramp is at an angle of 25° to the horizontal and the height at the end of the ramp is 3.0 m. The width of the river is 100 m. The initial velocity of the motorcyclist is 35 m s−1.

Calculate the horizontal and vertical components of the motorcycle's initial velocity as it leaves the ramp.

Horizontal component = ......................

Vertical component = ......................

2b
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4 marks

Deduce whether the rider lands on the other side of the river.

 The effects of air resistance can be ignored.

2c
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3 marks

Explain how air resistance would affect the jump.