QUESTION 1

Q1

A moving electron has________.

Only an electric field

Only a magnetic field

Both electric and magnetic fields

Neither electric or magnetic fields.

QUESTION 2

Q2

If a negatively charged insulator is placed near a neutrally charged conductor___________.

There will be a force of attraction between them.

There will be a force of repulsion between them.

There will be no electric force between them.

QUESTION 3

Q3

Three balls, each with a mass of 5kg, are positioned on the x-axis. They are located at -2 meters, 0 meters, and 1.5 meters. What is the moment of inertia if the system is rotated around the y-axis?

31.25 kgm2

17.5 kgm2

-2.5 kgm2

0 kgm2

QUESTION 4

Q4

A 10 kg ball displaces 50 N of water when submerged. What is the buoyant force on the ball?

10N

98N

50N

490N

QUESTION 5

Q5

Q5 Choose one . 5 points