Practise questions · Salam Academy

SA-9709-P4-KM-0013 marksL1 FoundationCalculatorsuvat

A car travelling at

20\ \text{m s}^{-1}

brakes uniformly and stops in

50

m. Find the deceleration and the time taken.

Salam Academy Original Practice · Proposed mark scheme

SA-9709-P4-KM1-0013 marksL1 FoundationCalculatorsuvat

A particle starts from rest and moves with constant acceleration

3\ \text{m s}^{-2}

. Find its velocity and its displacement after

4

s.

Salam Academy Original Practice · Proposed mark scheme

SA-9709-P4-KM1-0023 marksL1 FoundationCalculatorsuvat

A car accelerates uniformly from

5\ \text{m s}^{-1}

to

17\ \text{m s}^{-1}

in

4

s. Find its acceleration and the distance travelled.

Salam Academy Original Practice · Proposed mark scheme

SA-9709-P4-KM1-0091 markL1 FoundationCalculatorsuvat

You know

u

,

a

and

s

and want

v

. The time is not needed. Which formula should you use?

Salam Academy Original Practice · Proposed mark scheme

SA-9709-P4-KM-G013 marksL1 FoundationCalculatorsuvat

A particle has initial velocity

4\ \text{m s}^{-1}

and constant acceleration

2\ \text{m s}^{-2}

. Find its velocity after

5

s and its displacement in that time.

Salam Academy Original Practice · Proposed mark scheme

SA-9709-P4-KM-0093 marksL2 StandardCalculatorMulti-stage

A particle starts from rest and accelerates at

2\ \text{m s}^{-2}

for

5

s. It then decelerates uniformly to rest in

4

s. Find the total distance travelled.

Salam Academy Original Practice · Proposed mark scheme

SA-9709-P4-KM-0103 marksL2 StandardCalculatorsuvat

A car travelling at

72

km/h brakes with deceleration

5\ \text{m s}^{-2}

. Find the stopping distance.

Salam Academy Original Practice · Proposed mark scheme

SA-9709-P4-KM1-0034 marksL2 StandardCalculatorsuvat

A particle passes

O

with velocity

12\ \text{m s}^{-1}

and moves with constant acceleration

-2\ \text{m s}^{-2}

. Find both times at which its displacement from

O

is

27

m.

Salam Academy Original Practice · Proposed mark scheme

SA-9709-P4-KM1-0044 marksL2 StandardCalculatorsuvat

A particle accelerates uniformly. It travels

100

m in

5

s, at the end of which its speed is

30\ \text{m s}^{-1}

. Find its initial speed and its acceleration.

Salam Academy Original Practice · Proposed mark scheme

SA-9709-P4-KM1-0052 marksL2 StandardCalculatorsuvat

A particle with constant acceleration

3\ \text{m s}^{-2}

has velocity

20\ \text{m s}^{-1}

at the end of a

4

s interval. Find the displacement during that interval.

Salam Academy Original Practice · Proposed mark scheme

SA-9709-P4-KM1-0064 marksL2 StandardCalculatorMulti-stage

A particle starts from rest and accelerates at

1.5\ \text{m s}^{-2}

for

8

s. It then moves at constant speed for

20

s. Find its greatest speed and the total distance travelled.

Salam Academy Original Practice · Proposed mark scheme

SA-9709-P4-KM1-0083 marksL2 StandardCalculatorsuvat

A train slows uniformly from

30\ \text{m s}^{-1}

to

10\ \text{m s}^{-1}

over a distance of

200

m. Find the deceleration and the time taken.

Salam Academy Original Practice · Proposed mark scheme

SA-9709-P4-KM-0124 marksL3 ExamCalculatorMulti-stage

Car A starts from rest at a junction with acceleration

2\ \text{m s}^{-2}

just as car B passes it at a constant

10\ \text{m s}^{-1}

. Find the time when A catches B, and the distance from the junction.

Salam Academy Original Practice · Proposed mark scheme

SA-9709-P4-KM1-0075 marksL3 ExamCalculatorMulti-stage

Particle

P

passes point

O

with velocity

3\ \text{m s}^{-1}

and constant acceleration

2\ \text{m s}^{-2}

. At the same instant particle

Q

starts from rest at

O

with constant acceleration

3\ \text{m s}^{-2}

in the same direction. Find the time when

Q

catches

P

and the distance from

O

.

Salam Academy Original Practice · Proposed mark scheme

SA-9709-P4-KM1-0105 marksL3 ExamCalculatorMulti-stage

A cyclist starts from rest and accelerates uniformly for

10

s, reaching

8\ \text{m s}^{-1}

. She then decelerates uniformly at

0.5\ \text{m s}^{-2}

until she stops. Find the total time and the total distance.

Salam Academy Original Practice · Proposed mark scheme

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