Question
What is the SI unit of measurement for
energy?Solution
The joule (J) is the SI unit for energy, named after the physicist James Prescott Joule. It measures work or energy, where 1 joule equals the energy transferred when 1 newton of force moves an object by 1 meter.
The circumference of the two circles is 198 cm and 352 cm respectively. What is the difference between their radii?
Perimeter of a square and circumference of a circle are in the ratio 7:11, respectively. If area of the square is 49 cm2, then find the radiu...
The sum of the radius and height of a cylinder is 42m. The total surface area of the cylinder is 5544 m². What is the volume of the cylinder?
A solid metallic sphere of diameter 30 cm is melted and recast into a right circular cone having diameter of the base equal to 15 cm. What is the heigh...
In the election, 8% of the voters did not cast their votes. Two candidates contested the election in which the winning cadidate got 48% of the total vo...
The surface area of the two spheres are in the ratio 4:9. Their volumes will be in the ratio.
If the volumes of two cubes are in the ratio 343:64, then ratio of their edges is Â
- A metal sphere with radius 17.5 cm is melted and molded into small cuboids each of size 7 cm × 5 cm × 5 cm. Determine the number of cuboids formed.
The value of tan2 θ + cot2 θ − sec2 θ cosec2 θ is:
The length of a 540 metre long rope is 9 times the perimeter of a rectangular German park. Find the area of the rectangular park ...
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