Unit conversion - 8th grade (13y) - math problems

Number of problems found: 354

  • Temperature conversion
    teplomer_12 The normal human body temperature is 98.6 degrees Fahrenheit. What is the temperature in degrees Celcius?
  • Arc
    angles Convert to arc measures (radians): 924 ° Result write as a multiple of π
  • Wheel
    wheel_1 What is the wheel diameter if on the 0.38 km track turns 128 times?
  • Degrees to radians
    angle Convert magnitude of the angle α = 136°18'10" to radians:
  • Compass
    wind_rose What angle are between directions WSW (WestSouthWest) and SSE (SouthSouthEast) on the compass?
  • Gold horseshoe
    podkova Calculate the volume of a gold horseshoe that weighs 750g.
  • Bulb
    bulb _2 A 60 W bulb consumes 0.12 kWh of electricity. How long did she stand light without a break?
  • Feet to miles
    runners_6 A student runs 2640 feet. If the student runs an additional 7920 feet, how many total miles does the student run?
  • RPM
    motor_rpm An electric motor makes 3,000 revolutions per minutes. How many degrees does it rotate in one second?
  • Acres
    plocha_1 Two hours 24 students harvested chestnuts on 36 acres. How many square meters harvested one student per hour?
  • Two municipalities
    promile_4 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
    studna Drilled well has a depth 20 meters and 0.1 meters radius. How many liters of water can fit into the well?
  • Building base
    base_of_building Excavation for the building base is 350x600x26000. Calculate its volume in m3.
  • Find the
    cuboid_16 Find the volume of a quadrangle prism high 2dm whose base is a square with a side 15cm.
  • Water
    rain In the garden with an area of 8 ares rain 40hl of water. To what heights leveled water?
  • Clock
    hodiny How many times a day hands on a clock overlap?
  • Mains voltage
    bulb How much electric current flows through the appliance with a resistance of 40kΩ, which is connected to the mains voltage (230 V)?
  • Mail train
    train_freight_3 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.
  • Resistance
    bulb_1 Determine the resistance of the bulb with the current 200 mA and is in a regular lamp (230V).
  • Cube and water
    krychle_3 How many liters of water can fit into a cube with an edge length of 0.11 m?

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