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What is the equivalent of 1 radians?

• 360 degrees/2 pi

• 57.3 degrees

• length of arc/ radius

• all of the above

Which of the following describes rotational motion EXCEPT?

• Angle in degrees decreases in counter clockwise direction

• Angle in degrees increases in counter clockwise direction

• Angle in degrees increases in clockwise direction

• none of the above

Which of the following is true about angular acceleration EXCEPT?

• angular acceleration is positive if angular velocity is increasing

• angular acceleration is positive if angular velocity is decreasing

• angular acceleration is negative if angular velocity is decreasing

• none of the above

Based on the picture shown in the screen, which of the ff. does the rotation speeding up?

• 0 to 2 seconds

• 2 to 4 seconds

• 0 to 5 seconds

• none of the above

Two bugs ride a turntable which is rotating at a constant rate of 4 rad/s. Bug A is at a radius of 4 cm, while bug B is at a radius of 8 cm. Which of the ff. is true?

• Bug A has a greater rotational speed

• Bug B has a greater rotational speed

• Bug A has a greater linear speed

• Bug B has a greater linear speed

A merry go around starts from rest and reaches an angular speed of 2 radians/second in 3 seconds. What is the angular acceleration and what angle does it sweep in the 3 second interval?