Q:1

A particle with a charge of 5 Ã— 10 âˆ’ 6 C and a mass of 20 g moves uniformly with a speed of 7m / s in a circular orbit around a stationary particle with a charge of âˆ’ 5 Ã— 10 âˆ’ 6 C. The radius of the orbit is:

0 . 23 m

0 . 62 m

1 . 6

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Q:2

A uniform solid cylinder made of lead has the same mass and the same length as a uniform solid cylinder made of wood. The rotational inertia of the lead cylinder compared to the wooden one is:

Greater

Less

Same

Unknown unless the radii are given

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Q:3

In a certain process a gas ends in its original thermodynamic state. Of the following, which is possible as the net result of the process?

It is adiabatic and the gas does 50 J of work

The gas does no work but absorbs 50 J of energy as heat

The gas does no work but loses 50 J of energy as heat

The gas absorbs 50 J of energy as heat and does 50 J of work

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Q:4

Which of the following is NOT an example of accelerated motion?

Vertical component of projectile motion

Circular motion at constant speed

A swinging pendulum

Horizontal component of projectile motion

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Q:5

A disk with a rotational inertia of 5 . 0kg Â· m 2 and a radius of 0 . 25 m rotates on a frictionless fixed axis perpendicular to the disk and through its center. A force of 8 . 0 N is applied along the rotation axis. The angular acceleration of the disk is:

0 . 40 rad / s 2

0 . 60 rad / s 2

1 . 0 rad / s 2

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Q:1

A particle with a charge of 5 Ã— 10 âˆ’ 6 C and a mass of 20 g moves uniformly with a speed of 7m / s in a circular orbit around a stationary particle with a charge of âˆ’ 5 Ã— 10 âˆ’ 6 C. The radius of the orbit is:

4/5

Question 2 of 5

Q:2

A uniform solid cylinder made of lead has the same mass and the same length as a uniform solid cylinder made of wood. The rotational inertia of the lead cylinder compared to the wooden one is:

3/5

Question 3 of 5

Q:3

In a certain process a gas ends in its original thermodynamic state. Of the following, which is possible as the net result of the process?

2/5

Question 4 of 5

Q:4

Which of the following is NOT an example of accelerated motion?

1/5

Question 5 of 5

Q:5

A disk with a rotational inertia of 5 . 0kg Â· m 2 and a radius of 0 . 25 m rotates on a frictionless fixed axis perpendicular to the disk and through its center. A force of 8 . 0 N is applied along the rotation axis. The angular acceleration of the disk is:

0/5