The wheel of a motor cycle is of radius $35\, cm$. How many revolutions per minute must the wheel make so as to keep a speed of $66\, km / h ?$
The wheel of a motor cycle is of radius $35\, cm$. How many revolutions per minute must the wheel make so as to keep a speed of $66\, km / h ?$
- A
$600$
- B
$300$
- C
$550$
- D
$500$
Similar Questions
The formula to find the length of a major arc of a circle is ............
The formula to find the length of a major arc of a circle is ............
The radius of a circular ground is $56\, m$. Inside it, runs a road of width $7 \,m$ all along its boundary. Find the area of this road. (in $m^2$)
The radius of a circular ground is $56\, m$. Inside it, runs a road of width $7 \,m$ all along its boundary. Find the area of this road. (in $m^2$)
The area of a square inscribed in a circle with radius $70 \,cm$ is $\ldots \ldots \ldots cm ^{2}$.
The area of a square inscribed in a circle with radius $70 \,cm$ is $\ldots \ldots \ldots cm ^{2}$.
In a circle with radius $7\,cm ,$ the area of a minor sector can be $\ldots \ldots \ldots \ldots cm ^{2}$.
In a circle with radius $7\,cm ,$ the area of a minor sector can be $\ldots \ldots \ldots \ldots cm ^{2}$.
In $\odot( O , r),$ chord $\overline{ AB }$ subtends a right angle at the centre. The area of minor segment $\overline{ AB } \cup \widehat{ ACB }$ is $114\,cm ^{2}$ and the area of $\Delta OAB$ is $200\,cm ^{2} .$ Then, the area of minor sector $OACB$ is ......... $cm ^{2}$.
In $\odot( O , r),$ chord $\overline{ AB }$ subtends a right angle at the centre. The area of minor segment $\overline{ AB } \cup \widehat{ ACB }$ is $114\,cm ^{2}$ and the area of $\Delta OAB$ is $200\,cm ^{2} .$ Then, the area of minor sector $OACB$ is ......... $cm ^{2}$.