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

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.

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.

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

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

The figure shows the displacement of Steve as he rides his bike. Use this information to find his average speed in the last 3 hours of his journey.

Explain the individual steps in the motion illustrated in this figure.

Consider the forces acting on each object shown in Figure 9.3.9. Identify whether the forces acting are balanced or unbalanced.

Consider the forces acting on each object shown in Figure 9.3.9. If the forces are unbalanced, predict the direction each object will accelerate.

The mass of a Nissan GT-R is 1740kg.

Calculate the net force required for the car to travel with an acceleration of 3m/s².

Just use numerical values for your response.

Calculate the net force and acceleration of 'c' (car)

Identifying the opposing forces in the diagram.

Calculate the net force and indicate the direction the rider would be travelling.

If a bike rider and the bike has a mass of 76kg and a net force of 5300 N, calculate the acceleration.

Calculate the kinetic energy of a 80 kg jogger running at 4 m/s

Calculate the kinetic energy of a 10000 kg bus travelling at 54km/h

Calculate the kinetic energy of a 100g tennis ball hit at 30 m/s.

Calculate the gravitational potential energy of a 0.5 kg bird flying 20m above the ground.

Calculate the gravitational potential energy of a 20000 kg helicopter hovering 300 m above the ground

Calculate the gravitational potential energy of a 2kg money box sitting on a bookshelf at a height of 2m

1kg ball is dropped onto concrete from a height of 2m. Calculate its gravitational potential energy before it is dropped.

A 1kg ball is dropped onto concrete from a height of 2m. Calculate its kinetic energy as it hits the ground

A 1kg ball is dropped onto concrete from a height of 2m. Calculate the speed at which it hits the ground (round to one decimal place)

How much work is done when a force of 42.0 N moves an object a distance of 4.0 m in the direction in which the force is applied?

In moving an object a distance of 25 m, 200 J of work was done. What was the force that was applied?

A girl lifts a box of mass 2.5 kg from the floor to a shelf 3.0 m above the floor. How much work does she do?

Calculate the work done when a force of 40.0 N moves an object a distance of 12.0 m in the direction of the force

Calculate the work done when a force of 40.0 N moves an object a distance of 200 m in the direction of the force

What is the work done when a builder lifts a piece of timber of weight 120 N a vertical height of 6.4 m?

What is the work done when 2000 kg of water is pumped through a vertical height of 50.0 m?

What is the work done when a worker pushes a heavy box along a rough floor, at a constant speed, against a frictional force of 35 N for a distance of 24 m?

Suppose that, in throwing a cricket ball, you do 100 J of work on the ball while you move it 2.0 m. What is the average force that you exert on the ball?

How much work is done by a girl who lifts a 6.5 kg bowling ball from the floor to a shelf 2.2 m above the floor?

What distance must a 250 kg pile driver fall if it does 1.5 x 104 J of work?

A bricklayer loads 1200 bricks, each having a mass of 4.5 kg, from ground level on to the tray of a truck 1.0 m above ground level. How much work is done on each brick?

 A bricklayer loads 1200 bricks, each having a mass of 4.5 kg, from ground level on to the tray of a truck 1.0 m above ground level. What is the total amount of work done?

A bricklayer loads 1200 bricks, each having a mass of 4.5 kg, from ground level on to the tray of a truck 1.0 m above ground level.

If it takes 75 minutes to do this work, what was the average power that the bricklayer was developing?

A runner of mass 60 kg runs up the stairs of a 25 story building at a steady rate in 10 minutes. Each level is 3.2 m above the previous one. Calculate the power developed by the runner.

A gardener applies a force of 120 N to push a wheelbarrow 50 m with a constant speed for 20 s. How much work is done?

A gardener applies a force of 120 N to push a wheelbarrow 50 m with a constant speed for 20 s. What is the power developed?