Power - practice problems
Power is the amount of work done (energy supplied) per unit time. In physics, power is the amount of energy transferred or converted per unit time. In the SI units, the unit of power is the watt, equal to one joule per second. Other units are, for example, 1 hp (one horsepower; 1 hp = 735.5 W) and then derived units such as kW - kilowatt.Number of problems found: 564
- Gain
Find the gain whenever the output power is 21x the input power. - Cube root
Find the cube root of 18 - Geometric 20
Find the geometric mean of 15 15 20 25 30. - Determine 3888
Determine the sum of the three-third roots of the number 64. - Opposite or reciprocal
How is 4 related to 4³? ... - Expression
Solve for a specified variable: P=a+4b+3c, for a - Square
Calculate the side of a square with a diagonal measurement of 10 cm. - Cube
Calculate the surface cube with edge 11 dm. - Simplify 19533
Simplify 5a. (-3a) - Base conversion
12²×14³ answer in base five - Height of a cube
What is the volume of a cube if the height is 5cm? - What are 2
What are the two more terms of the GP (geometric progression) a, ax, ax², ax³, __, __? - Primes 2
For what primes p,q,r is true: p²-(q+r)²=647 - Expression: 4017
Specify the value of this expression: 4! · 2-5 - Choose 2
Choose an equivalent expression for three-fourths raised to the fourth power times three-fourths raised to the third power, all raised to the second power. - Square roots
What is equal to the product of the square roots of 295936? - Evaluate 26
Evaluate square root: √1³+2³+3³+4³= - Simplify
Simplify powers multiplication: (3+2²)(5-4²) - Powers 3
2 to the power of n divided by 4 to the power of -3 equal 4. What is the value of n? - Powers
Is it true for any number a,b,c,d equality:? (a-b-c-d) 6 = (d+c+b-a) 6
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