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The wheels of a car are of diameter 80 cm each. How many complete revolutions does each wheel make in 10 minutes when the car is travelling at a speed of 66 km per hour ?
06
Oct
The wheels of a car are of diameter 80 cm each. How many complete revolutions does each wheel make in 10 minutes when the car is travelling at a speed of 66 km per hour ? The wheels of a car are of diameter 80 cm each. How many complete revolutions does each wheel make [...]
The gauge pressure in both the tyres of a bicycle is 6.0× 10^5 Pa If the bicycle and the person riding it have a combined mass of 90 kg. find the area of contact of each tyre with ground.
06
Oct
The gauge pressure in both the tyres of a bicycle is 6.0× 10^5 Pa If the bicycle and the person riding it have a combined mass of 90 kg. find the area of contact of each tyre with ground. The gauge pressure in both the tyres of a bicycle is 6.0× 10^5 Pa If the [...]
Torricelli’s barometer used mercury. Pascal duplicated it using French wine of density 984 kg m^−3. Determine the height of the wine column for normal atmospheric pressure.
06
Oct
Torricelli’s barometer used mercury. Pascal duplicated it using French wine of density 984 kg m^−3. Determine the height of the wine column for normal atmospheric pressure. Torricelli's barometer used mercury. Pascal duplicated it using French wine of density 984 kg m^−3. Determine the height of the wine column for normal atmospheric pressure. October 6, 2020 [...]
How high would water rise in the pipes of a buliding , if the water pressure gauge shows the pressure at the ground floor to be 270 KPa?
06
Oct
How high would water rise in the pipes of a buliding , if the water pressure gauge shows the pressure at the ground floor to be 270 KPa? How high would water rise in the pipes of a buliding if the water pressure gauge shows the pressure at the ground floor to be 270 KPa? [...]
What will be the length of mercury column in a barometer tube, when the atmospheric pressure is 75 cm of mercurey and the tube is inclined at an angle of 60 degree to the verticle?
06
Oct
What will be the length of mercury column in a barometer tube, when the atmospheric pressure is 75 cm of mercurey and the tube is inclined at an angle of 60 degree to the verticle? What will be the length of mercury column in a barometer tube when the atmospheric pressure is 75 cm of [...]
A hole of area 5 cm ^2 is formed in the side of a ship 3 m below the water level. what minimum force is required to hold on a patch covering the hole from the inside of the ship ?
06
Oct
A hole of area 5 cm ^2 is formed in the side of a ship 3 m below the water level. what minimum force is required to hold on a patch covering the hole from the inside of the ship ? A hole of area 5 cm ^2 is formed in the side of a [...]
Fig. 12.3 depicts an archery target marked with its five scoring regions from the centre outwards as Gold, Red, Blue, Black and White. The diameter of the region representing Gold score is 21 cm and each of the other bands is 10.5 cm wide. Find the area of each of the five scoring regions.
06
Oct
Fig. 12.3 depicts an archery target marked with its five scoring regions from the centre outwards as Gold, Red, Blue, Black and White. The diameter of the region representing Gold score is 21 cm and each of the other bands is 10.5 cm wide. Find the area of each of the five scoring regions. Black [...]
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Black and White. The diameter of the region representing Gold score is 21 cm and each of the other bands is 10.5 cm wide. Find the area of each of the five scoring regions. ,
Blue ,
Fig. 12.3 depicts an archery target marked with its five scoring regions from the centre outwards as Gold ,
Red ,
The radii of two circles are 8cm and 6cm respectively. Find the radius of the circle having its area equal to the sum of the areas of the two circles.
06
Oct
The radii of two circles are 8cm and 6cm respectively. Find the radius of the circle having its area equal to the sum of the areas of the two circles. The radii of two circles are 8cm and 6cm respectively. Find the radius of the circle having its area equal to the sum of the [...]
The radii of two circles are 19cm and 9cm respectively. Find the radius of the circle which has a circumference equal to the sum of the circumferences of the two circles.
06
Oct
The radii of two circles are 19cm and 9cm respectively. Find the radius of the circle which has a circumference equal to the sum of the circumferences of the two circles. The radii of two circles are 19cm and 9cm respectively. Find the radius of the circle which has a circumference equal to the sum [...]
In a u tube which is open at both ends two liqiuds, 1 and 2 , are in equilibrium, as hsown in the fig. If the liquids do not mkix and liquid 1 rests on the top of liquid 2 . then how is the density rho1 of liquid 1 releated to density rho 2 of liquid 2?
06
Oct
In a u tube which is open at both ends two liqiuds, 1 and 2 , are in equilibrium, as hsown in the fig. If the liquids do not mkix and liquid 1 rests on the top of liquid 2 . then how is the density rho1 of liquid 1 releated to density rho 2 [...]