Physics Data Test Revision Year 10

If you walk in a square with an edge of 5m, what distance has been travelled? What is your displacement?

Answer explanation

The distance traveled is 20m (5m + 5m + 5m + 5m). The displacement is 0m since you end up where you started in a square.

List the following as scalar or vector quantities - distance, velocity, speed, displacement

Answer explanation

Distance and displacement are scalar quantities, while velocity and speed are vector quantities as they have both magnitude and direction.

Draw a vector addition diagram showing the following situation:
A plane flying north at 56.5m/s has a flight attendant moving in the same direction at 1.3m/s. What is the total velocity of the flight attendant?

Answer explanation

• 1) Draw the Plane's Velocity Vector: Start at a point and draw an arrow pointing north (upwards) with a length proportional to 56.5 m/s.

• 2) Draw the Flight Attendant's Velocity Vector: From the tip of the first arrow, draw another arrow also pointing north (upwards) with a length proportional to 1.3 m/s.

• 3) Draw the Resultant Vector: Finally, draw an arrow from the starting point of the first vector to the end of the second vector. This resultant vector represents the total velocity of the flight attendant.

Draw a vector addition diagram showing the following situation:

A train is moving at 33m/s in an easterly direction, a passenger on the train walks in a westerly direction at 2m/s. What is their net velocity?

Answer explanation

• Draw the Train's Velocity Vector (A):

  • - Draw an arrow pointing to the right with a length of 3.3 cm.

  • - Label this vector as A (Train’s velocity).

• Draw the Passenger's Velocity Vector (B):

  • - From the tip of vector A, draw an arrow pointing to the left with a length of 0.2 cm.

  • - Label this vector as B (Passenger’s velocity).

• Draw the Resultant Vector (R):

  • - From the origin, draw a final arrow pointing to the right with a length of 3.1 cm (this is 3.3 cm minus 0.2 cm).

  • - Label this vector as R (Resultant/Net velocity).

Calculate the velocity of the following (express your answer using correct significant figures):

A car travels 55km east in 23min. Calculate the velocity of the car in km/h and m/s.

Answer explanation

Calculate the velocity of the following (express your answer using correct significant figures):

A bird flies 250m south in 2.7min. Calculate the velocity of the bird in km/h and m/s.

Answer explanation

The figure shows the displacement of Steve as he rides his bike. Use this information to find the total distance travelled.

Answer explanation

He travelled 12km.

Hour 0 - 2 = 6km

Hour 3 - 6 = 6km

The figure shows the displacement of Steve as he rides his bike. Use this information to find his displacement.

Answer explanation

His overall displacement is 0km. This information can be found by using the Y-axis. He starts at 0km displacement and ends at 0km displacement.

The figure shows the displacement of Steve as he rides his bike. Use this information to find his speed in the first 2 hours.

Answer explanation

His speed is 3km per hour.

He travelled 6km in two hours. 6/2 = 3.

The figure shows the displacement of Steve as he rides his bike. Use this information to find at which time he was stationary