Unit 1 - Kinematics exit ticket (A) - Sandra Kuhn | Biblioteka

Obavezno

2

A bus is travelling south at 20 m.s^-1 when the driver sees a child run in front of the bus. The bus driver applies the brakes and the bus stops in time. Which is the best description of the velocity and acceleration of the bus after the brakes are applied?

	north	south
Velocity
Acceleration

2

A small aeroplane is able to accelerate from rest to attain a high enough speed for take-off, on a runway that is 150 m long. A second aeroplane, which is heavily loaded, can accelerate from rest with the same acceleration but needs twice the speed to take off. What is the minimum length of runway that will be needed for the heavy plane to take off?

The heavier aeroplane needs a runway with a length of meters.

Drugi mogući odgovor:

600

450

150

300

A ball is dropped vertically from rest above a hard, horizontal surface. The motion for the bouncing ball is represented in the graph. Air resistance is negligible.

2

At which point on the graph does the ball reach its maximum height after the first bounce?

A

B

C

D

2

A stone P is thrown vertically upwards with a speed 𝓋 from the top of a building.

At the same time, a stone Q is thrown vertically downwards with the same speed 𝓋.

Air resistance can be ignored. Complete the following statement regarding the relative speeds at which the stones hit the ground.

The speed of Stone P is the speed of stone Q when they hit the ground.

Drugi mogući odgovor:

less than

the same as

greater than

The velocity vs time graph for the motion of a car on a straight road is shown in the graph. Assume that the car starts at the origin 𝓍 = 0 at time t = 0.

The car's initial velocity is east.

null

2

At 10 s is the car's position east or west from its starting point?

west

east

2

Unit 1 - Kinematics exit ticket (A)

A bus is travelling south at 20 m.s^-1 when the driver sees a child run in front of the bus. The bus driver applies the brakes and the bus stops in time. Which is the best description of the velocity and acceleration of the bus after the brakes are applied?

Unit 1 - Kinematics exit ticket (A)

A bus is travelling south at 20 m.s^-1 when the driver sees a child run in front of the bus. The bus driver applies the brakes and the bus stops in time. Which is the best description of the velocity and acceleration of the bus after the brakes are applied?

At which point on the graph does the ball reach its maximum height after the first bounce?

At 10 s is the car's position east or west from its starting point?

At which point on the graph does the ball reach its maximum height after the first bounce?

During which interval is the ball slowing down?

At which points is the ball in contact with the ground?
(Select all that may apply)

At 10 s is the car's position east or west from its starting point?

During which time interval(s) is the car speeding up? Select all that may apply.

During which interval is the ball slowing down?

At which points is the ball in contact with the ground?
(Select all that may apply)

During which time interval(s) is the car speeding up? Select all that may apply.

Unit 1 - Kinematics exit ticket (A)

A bus is travelling south at 20 m.s-1 when the driver sees a child run in front of the bus. The bus driver applies the brakes and the bus stops in time. Which is the best description of the velocity and acceleration of the bus after the brakes are applied?

Unit 1 - Kinematics exit ticket (A)

A bus is travelling south at 20 m.s-1 when the driver sees a child run in front of the bus. The bus driver applies the brakes and the bus stops in time. Which is the best description of the velocity and acceleration of the bus after the brakes are applied?

At which point on the graph does the ball reach its maximum height after the first bounce?

At 10 s is the car's position east or west from its starting point?

At which point on the graph does the ball reach its maximum height after the first bounce?

During which interval is the ball slowing down?

At which points is the ball in contact with the ground? (Select all that may apply)

At 10 s is the car's position east or west from its starting point?

During which time interval(s) is the car speeding up? Select all that may apply.

During which interval is the ball slowing down?

At which points is the ball in contact with the ground? (Select all that may apply)

During which time interval(s) is the car speeding up? Select all that may apply.

A bus is travelling south at 20 m.s^-1 when the driver sees a child run in front of the bus. The bus driver applies the brakes and the bus stops in time. Which is the best description of the velocity and acceleration of the bus after the brakes are applied?

A bus is travelling south at 20 m.s^-1 when the driver sees a child run in front of the bus. The bus driver applies the brakes and the bus stops in time. Which is the best description of the velocity and acceleration of the bus after the brakes are applied?

At which points is the ball in contact with the ground?
(Select all that may apply)

At which points is the ball in contact with the ground?
(Select all that may apply)