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P5: Quiz 9
P5: Quiz 9
1)
a) Give a definition of a scalar quantity.
b) Give a definition of a vector quantity.
c) Is speed a scalar or vector quantity?
d) Is velocity a scalar or vector quantity?
e) Is distance a scalar or vector quantity?
f) Is displacement a scalar or vector quantity?
2) It takes a man on a bike 25 seconds to cycle 150 metres. Calculate the cyclist’s speed in m/s.
3) A car is travelling along a straight road which is 650 metres. The car takes 50 seconds to travel this distance. Calculate the speed of the car in m/s.
4) I am running at a speed of 4 m/s. How long would it take me to run 120 metres? Give your answer in seconds.
5) I ride a scooter for 25 seconds at a speed of 5.7 m/s. What distance do I cover during these 25 seconds? Give your answer in metres.
6) Write down the typical speeds for the following:
a) An individual walking
b) An individual running
c) An individual cycling
d) A car
e) A train
f) An aeroplane
7) Give 3 factors that affect the typical speeds for walking, running and cycling.
8) It takes a student 15 minutes to travel to school from their house by car. The distance between the student’s house and the school is 19.8 kilometres. Work out the average speed of the car for the journey. Give your answer in metres per second (m/s).
9) It takes a plane 28 minutes to fly from London to Paris. The distance between London and Paris is 344 kilometres. Work out the average speed of the plane. Give your answer in metres per second (m/s) and to the nearest integer.
10) The moon orbits the earth at a constant speed. Does the velocity of the moon change as it orbits the earth? Explain your answer.
11) A student starts at point A. She then walks 6 metres in a rightwards direction and ends up at point B (green arrow). She then turns around and walks 4 metres in a leftwards direction resulting in her ending up at point C (orange arrow). A diagram of the 3 points is shown below.
a) Give a definition of a scalar quantity.
b) Give a definition of a vector quantity.
c) Is speed a scalar or vector quantity?
d) Is velocity a scalar or vector quantity?
e) Is distance a scalar or vector quantity?
f) Is displacement a scalar or vector quantity?
2) It takes a man on a bike 25 seconds to cycle 150 metres. Calculate the cyclist’s speed in m/s.
3) A car is travelling along a straight road which is 650 metres. The car takes 50 seconds to travel this distance. Calculate the speed of the car in m/s.
4) I am running at a speed of 4 m/s. How long would it take me to run 120 metres? Give your answer in seconds.
5) I ride a scooter for 25 seconds at a speed of 5.7 m/s. What distance do I cover during these 25 seconds? Give your answer in metres.
6) Write down the typical speeds for the following:
a) An individual walking
b) An individual running
c) An individual cycling
d) A car
e) A train
f) An aeroplane
7) Give 3 factors that affect the typical speeds for walking, running and cycling.
8) It takes a student 15 minutes to travel to school from their house by car. The distance between the student’s house and the school is 19.8 kilometres. Work out the average speed of the car for the journey. Give your answer in metres per second (m/s).
9) It takes a plane 28 minutes to fly from London to Paris. The distance between London and Paris is 344 kilometres. Work out the average speed of the plane. Give your answer in metres per second (m/s) and to the nearest integer.
10) The moon orbits the earth at a constant speed. Does the velocity of the moon change as it orbits the earth? Explain your answer.
11) A student starts at point A. She then walks 6 metres in a rightwards direction and ends up at point B (green arrow). She then turns around and walks 4 metres in a leftwards direction resulting in her ending up at point C (orange arrow). A diagram of the 3 points is shown below.
a) What is the distance travelled?
b) What is the displacement?
12) What is the typical speed of sound through air?
13) Give two factors that affect wind speed.
b) What is the displacement?
12) What is the typical speed of sound through air?
13) Give two factors that affect wind speed.