Uniform Circular Motion

Uniform Circular Motion

4th ESO

Multiple Choice

Calculate the frequency (Hz) of a disk that makes 10 revolutions en 2 s.

• 1/5 Hz

• 5 Hz

• 2 Hz

• 8 Hz

Multiple Choice

A wheel make 20 revolutions in 30 s. Calculate its period.

• 1,5 s

• 2,5 s

• 3 s

• 4 s

Multiple Choice

A car is turning on a curve with 50 m of radius and an acceleration of 2m/s² . Calculate its velocity

• 100 m/s

• 10 m/s

• 25 m/s

• 0.1256 m/s

Multiple Choice

A bike's wheel makes 30 spins in 5 seconds. Calculate its angular velocity,

• 18.84 rad/s

• 56.52 rad/s

• 43.96 rad/s

• 36.94 rad/s

Multiple Choice

A disk makes 50 spins in 60 seconds. Calculate the period of the disk.

• 1 s

• 1,2 s

• 2,4 s

• 0,83 s

Multiple Choice

A disk makes 50 spins in 60 seconds. Calculate the frequency of the disk.

• 1 Hz

• 1,2 Hz

• 2,4 Hz

• 0,83 Hz