Physical quantities - math word problems - page 39 of 292

Number of problems found: 5839

Minus temperature 2
The temperature in the town is -4.7 °C. The temperature decreases by 5.4 °C. What is the new temperature?
A rectangular 9
A rectangular tank measuring 50 cm by 54 cm by 40 cm is 3/5 filled with water. 21.6 L of the water is removed. What is the volume of water left in the tank? Give your answer in liters.
Human population
The populations of two cities after t years can be modeled by -150t+50,000 and 50t+75,000. What is the difference in the populations of the towns when t=4?
At 5:16
At 5:16, what is the acute angle between a minute hand and an hour hand?
At midnight
The outside temperature at midnight was 3.4 °C. The temperature then changed at a constant rate of −0.78 °C per hour for 8 hours. What was the outside temperature at 8:00 AM?
This morning 2
This morning the temperature outside was -4 degrees. This afternoon the temperature was 21 degrees warmer. What was the temperature this afternoon?
Minimum interior angle
What is the minimum interior angle possible for a regular polygon?
Geometric 20
Find the geometric mean of 15 15 20 25 30.
A hemispherical
A hemispherical bowl has a radius of 3.5 cm. What would be the volume of water it would contain?
A cube 2
A cube has an edge length of 4 cm. Then its volume is:
The midday
The midday temperature in Pensacola Beach was 84 °F. For the next five hours, it changed to –2 °F per hour. The expression 84 − |−2 ⋅ 5| represents the current temperature. What is the current temperature in degrees Fahrenheit?
Cylinders and cube
How many cylinders of radius 20 cm and height 0.7 metres can be formed by melting a cube with sides of 2.2 metres?"
New drink
Create a new drink can that will double the volume of the original can used. The dimensions of the can: 6 cm diameter and 10 cm height. You are to double the volume with the least amount of additional aluminum needed for the new can. There are 3 options :
A solid
A solid consists of a cone standing on a hemisphere, both with equal radii of 1 cm, and the height of the cone equals its radius. Find the volume of the solid.
Jane and tent
Jane and her father were going to the tent. They found that their old tent was torn. Their mother suggested that they sew a tent whose walls would be made of 4 identical isosceles triangles. Their lower side is 2 m long, and the height is also 2 m. Then,
A 100-inch
A 100-inch stick is to be divided into four using the ratio 2: 5: 7: 11. How long is the longest piece?
Temperature bellow zero
At 3 PM, the temperature was 12 °F. It then began dropping 2 °F every hour for 7 hours. What was the temperature after 7 hours?
Heat energy
Energy is measured using the unit Joule (J). Temperature is measured using the unit degree Celsius °C). To increase the temperature of 1 liter of water by 1 °C, 4200 J of heat energy is required. (a) Kelly wants to increase the temperature of 2 liters of
Bank deposits
At the end of each quarter, Patti deposits $1,400 into an account that pays 10% interest compounded quarterly. How much will Patti have in the account in three years? Note: Use tables, Excel, or a financial calculator round your final answer to the neares
Geometric Solid
A concrete pipe is 1.0 m long. The inside and outside diameters are 60 cm and 75 cm, respectively. What is the volume of the concrete (in cubic meters) needed to make 25 pieces of pipe?

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