# What is the speed of the minute needle of a clock?

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## What is the speed of clock needle?

This answer says clock hand, meaning minute hand. For the second hand, multiply the speed by 60. For the hour hand, divide by 60. The second hand turns at 1 rpm (rev per minute), the minute hand at 1/60th rpm, and the hour hand at 1/3,600th rpm.

## What is the angular speed of a minute hand?

Hence, the angular velocity of the minute hand on a clock is π1800rad/s.

## How many RPM is a clock?

The speed of a clock’s second hand is exactly 1 RPM.

## What is the speed of second’s hand of a clock?

The seconds hand of a clock completes one rotation in 1 minute i.e 60 seconds. Thus, option C is correct. The second hand therefore makes one revolution every minute – that is, 1 revolution per minute (rpm), which is 1/60 of a revolution per second, which is 6 degrees per second.

## Which is the fastest needle in clock?

The hand that moves around the fastest on an Analog Clock. It shows the number of seconds. There are 60 seconds in a full rotation of one minute.

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## How many times does an hour hand in 12 hour clock rotate a day?

hour hand will rotate 2 full times in a day.

## What is angular displacement of minute hand in 20 minutes?

It is simple: In 60 minutes, the minute hands makes a full revolution of 360 degrees. So in 20 minutes it revolves one third, or 120 degrees.

## What is the angular separation of minute hand?

Explanation: The distance between each notch on the clock is 6 degrees because there are 360 degrees on the clock, and there are 60 notches total. The minute hand is at notch #20, and so it is 120 degrees from the top.

## How many rpms are in a mph?

If you have a tachometer and a speedometer, you divide the rpm by the speed, so 50 miles per hour or 80 kilometers per hour at 2000 rpm would be 40 rpm per mile per hour or 25 rpm per kilometer per hour.

## How do you convert rpm to speed?

Multiply the circumference by the object’s angular speed, measured in rpm. For example, if it rotates at 400 rpm: 87.98 × 400 = 35,192. This is the object’s surface speed, measured in inches per minute. Divide this answer by 63,360, which is the number of inches in a mile: 35,192 ÷ 63,360 = 0.555.

## What is a normal rpm when accelerating?

This range differs from one car to the next, but in general, having your RPM hover between 1,500 and 2,000 when you’re driving at a consistent speed is a good benchmark.

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