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Circular motion Typeit
Target Level
C
Running Total
0
0%
Attempt
1 of 3
Type the correct answers into the spaces. Fill all the spaces before clicking ‘Check Answers!’
A washing machine drum rotates with an angular speed of 61 rad s-1. In an hour, the washing machine drum rotates times.
A DVD takes 0.08 s to spin. The angular speed of the DVD is rad s-1.
The edge of a spinning disc moves at 5.7 m s-1, and the disc has a radius of 8.1 m. The angular speed of the disc is rad s-1.
The length of an Earth orbit is 365 days, and the radius of Earth's orbit is 149.6 million km. Earth is travelling at a speed of m s-1.
The acceleration of a ball towards the centre of a circle is 4.1 m s-2. The circle is 95 cm in diameter. The linear speed of the ball is m s-1.
The angular speed of a spinning top is 6.6 rad s-1, and it has a radius of 2.2 cm. The centripetal acceleration of a point on the top at its very edge is m s-2.
The Moon orbits Earth once every 27.3 days, and its orbital radius is 385 000 km. The mass of the Moon is 7.35 × 1022 kg. The force of attraction between the Moon and Earth is × 1020 N.
In a carnival ride, a passenger is pushed against the wall of the ride with a force of 86.7 N as they travel in a circle with a radius of 5.30 m at a linear speed of 2.49 m s-1. The mass of the passenger is kg.
A DVD takes 0.08 s to spin. The angular speed of the DVD is rad s-1.
The edge of a spinning disc moves at 5.7 m s-1, and the disc has a radius of 8.1 m. The angular speed of the disc is rad s-1.
The length of an Earth orbit is 365 days, and the radius of Earth's orbit is 149.6 million km. Earth is travelling at a speed of m s-1.
The acceleration of a ball towards the centre of a circle is 4.1 m s-2. The circle is 95 cm in diameter. The linear speed of the ball is m s-1.
The angular speed of a spinning top is 6.6 rad s-1, and it has a radius of 2.2 cm. The centripetal acceleration of a point on the top at its very edge is m s-2.
The Moon orbits Earth once every 27.3 days, and its orbital radius is 385 000 km. The mass of the Moon is 7.35 × 1022 kg. The force of attraction between the Moon and Earth is × 1020 N.
In a carnival ride, a passenger is pushed against the wall of the ride with a force of 86.7 N as they travel in a circle with a radius of 5.30 m at a linear speed of 2.49 m s-1. The mass of the passenger is kg.