Physical quantity - math word problems - page 145 of 318
A physical quantity is a term numerically describing a property or state of a physical object. For example, a physical quantity is a length, and its corresponding physical unit is a meter (symbol m). Similarly, the quantity is weight, and the unit is the kilogram (kg). Physical quantities can be divided into a scalar (has magnitude), vector (has magnitude and direction), and tensor (has magnitude and multiple directions).Number of problems found: 6357
- Circular track
The circular running track has a radius of 50 m. How many laps does a runner have to do to run 5 km? - A bicycle
A bicycle wheel has a diameter of 63 cm. Calculate how many times the wheel turns round in traveling 19.8 km. - Two 2D shapes
Decide which shapes have more area: (a) a square of 8cm side; or (b) two rectangles with sides of 5cm and 15cm? Write the result as 1 or 2 (rectangles) - Tiles
The rectangular floor of the 6 x 1.8 m dimensions is to be covered with 50 cm square tiles. How many tiles will be needed?
- The ditch
Ditch with a cross-section of an isosceles trapezoid with bases 2m and 6m deep 1.5m. How long is the slope of the ditch? - Hexagon area
The center of the regular hexagon is 21 cm away from its side. Calculate the hexagon side and its area. - Described
Calculate the perimeter of the circle described by a triangle with sides 191, 428, 385. - Inheritance
After death, the father (♱ 54) remained mother (his wife) and 5 children. Inheritance by law is that the first mother will automatically get half of the property and the other half inherited by heirs, the mother and her 5 children by the same share. Calcu - Supplementary angles 4
Angle A and angle B are supplementary. The measure of angle B is 82.5. What is the measure of angle A in degrees? Enter your answer as a decimal, if necessary, like this: 42.5
- A vendor
A vendor bought an article for $900 and sold it for $1260. What is the profit percentage? - Eggs
One egg boiled for 10 minutes. How long will it take to boil ten eggs at a time? - Selling price
Find the selling price. Cost to store: $50 Markup: 10% - Chocolate
I eat 24 chocolate in 10 days. How much chocolate do I eat in 15 days at the same pace? - String
Divide the string length 800 cm in ratio 1: 5
- Efficiency
A certain device consumes 28 kW and delivers 14 kW. Find its efficiency. - Car inflation
What percentage of car price increases if the price rises from €1880 to €2200? - Discount 81342
Price before discount 1800. Price after discount 1500. Discount by %. % off - Magnification 69234
What magnification of magnifying glass in percent if the magnification is 4x? - Increased 17773
Salaries increased by 4:3. How much did wages increase?
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