IB Physics

What is the order of magnitude of the radius of an atom in meters?

• 10^-10

• 10^-12

• 10^-20

• 10^-13

What is the order of magnitude of the Earth-Sun distance in meters?

• 10¹¹

• 10⁶

• 10⁹

• 10¹²

Tags

NGSS.HS-ESS1-4

What is the order of magnitude of the distance of Sun to nearest star in meters?

• 10¹¹

• 10¹⁶

• 10¹³

• 10¹²

What is the order of magnitude of the radius of the Earth in meters?

• 10¹⁴

• 10⁶

• 10⁷

• 10¹²

Tags

NGSS.MS-ESS1-3

What is the order of magnitude of the radius of the solar system in meters?

• 10¹¹

• 10⁶

• 10¹³

• 10¹²

Tags

NGSS.MS-ESS1-3

What is the name of the force that pulls the bucket towards the centre of the circle?

• Centrifugal

• Centripetal

• Friction

• Weight

Tags

NGSS.HS-PS2-1

In what direction would the centripetal force act in the picture?

• Towards the floor

• Away from the floor

• Towards the person's hand

• Away from the person's hand

An object moving at a constant speed can have an acceleration.

• True

• False

The variation with time of the displacement of an object is shown. What are the average speed and average velocity of the object over the 10 s time interval?

• Average Speed = 0.8 ms^-1, Average Velocity = 0.8 ms^-1

• Average Speed = 0.8 ms^-1, Average Velocity = 1.2 ms^-1

• Average Speed = 1.2 ms^-1, Average Velocity = 0.8 ms^-1

• Average Speed = 1.2 ms^-1, Average Velocity = 1.2 ms^-1

A car on a road follows a horizontal circular path at a constant speed. What is the direction of the net force acting on the car and the direction of the instantaneous velocity of the car?

• A

• B

• C

• D

Tags

NGSS.HS-PS2-1