Unit conversion - 8th grade (13y) - math problems
Number of problems found: 354
- Temperature conversion
The normal human body temperature is 98.6 degrees Fahrenheit. What is the temperature in degrees Celcius?
Convert to arc measures (radians): 924 ° Result write as a multiple of π
What is the wheel diameter if on the 0.38 km track turns 128 times?
- Degrees to radians
Convert magnitude of the angle α = 136°18'10" to radians:
What angle are between directions WSW (WestSouthWest) and SSE (SouthSouthEast) on the compass?
- Gold horseshoe
Calculate the volume of a gold horseshoe that weighs 750g.
A 60 W bulb consumes 0.12 kWh of electricity. How long did she stand light without a break?
- Feet to miles
A student runs 2640 feet. If the student runs an additional 7920 feet, how many total miles does the student run?
An electric motor makes 3,000 revolutions per minutes. How many degrees does it rotate in one second?
Two hours 24 students harvested chestnuts on 36 acres. How many square meters harvested one student per hour?
- Two municipalities
The horizontal distance between municipalities is 39 km. Average sinking is 7 per mille. What is the difference in height between these municipalities?
- Water well
Drilled well has a depth 20 meters and 0.1 meters radius. How many liters of water can fit into the well?
- Building base
Excavation for the building base is 350x600x26000. Calculate its volume in m3.
- Find the
Find the volume of a quadrangle prism high 2dm whose base is a square with a side 15cm.
In the garden with an area of 8 ares rain 40hl of water. To what heights leveled water?
How many times a day hands on a clock overlap?
- Mains voltage
How much electric current flows through the appliance with a resistance of 40kΩ, which is connected to the mains voltage (230 V)?
- Mail train
The speed of mail train is 1370 meter per minute. Express it in miles per hour correct to three significant figure . Given that 1 meter =39.37 inches.
Determine the resistance of the bulb with the current 200 mA and is in a regular lamp (230V).
- Cube and water
How many liters of water can fit into a cube with an edge length of 0.11 m?