Time + unit conversion - math problems

Number of problems found: 210

• Tandem jump
During the tandem jump, the paratroopers dropped from a height of 1.7 km to a height of 1.5 km above the surface in 4 seconds. At what average speed did they move before the parachute opened?
• Tunnel
Kubo sits on a train speeding at 108 km/h. At that moment, the train entered the tunnel, which according to Kub's book is 2 km long. Kubo noticed that the end of the train had left the tunnel 75 seconds later than the locomotive had entered the tunnel. Wh
• Power consumption
The price of electricity is ₱6.50 per kilowatt hour (kWh). If a television with 120 W power consumption ran from 7:30 AM to 12:30 PM, how much electricity was consumed?
• Train
Find the average speed of a train (in km/h) that passes a telegraph pole in 7 seconds and passes a 378 m platform in 25 seconds. How long is the train?
• The train
The train starts for 2 min with an acceleration of 25 cm/s2. What speed will he gain in this time and what path will he pass?
• The Nürburgring
The Nürburgring in Germany is a racetrack that hosts racing events all year. Two of the fastest laps ever driven on the track are 6 minutes 47.30 seconds and 6 minutes 52.01 seconds. How much faster is the 6 minutes 47.30 seconds time than the 6 minutes 5
• A diesel car
A diesel car costs \$2599 more than an unleaded petrol car and travels an average of 25,000km per year. Diesel petrol has a consumption rate of 7.4L per 100km and costs \$1.39 per litre. Unleaded petrol has a consumption rate of 8.5L per 100km and costs \$1.
• Clock losing time
A clock is showing 9:30 am. If the clock is 5 minutes slow, what would have been the correct time?
• Grocery store
You spend 4/5 of an hour at the mall. You spend 1/3 of that time in the food court. How many minutes are you in the food court?
• A raindrop
A raindrop falls at a rate of 9.3 meters per second (m/s). Use the following facts to convert this speed to kilometers per hour (km/h). 1 km = 1000 m 1 min = 60 sec 1 hour = 60 min
• The physical
The physical therapist asks Mr. Smith to walk 20 minutes in one hour to improve his ambulation. What fractional part of an hour is Mr. Smith to exercise?
• Frequency of oscillation
A weight of 1 kg was suspended from the spring and the spring was extended by 1.5 cm. Determine the frequency of the natural oscillation of the resulting oscillator.
• Two cars
Two cars (trucks and passenger) drove simultaneously from two places 50 km away. If they go against each other, they will meet in 30 minutes. If they follow each other in the same direction, the car will catch up with the truck in 2.5 hours. What is the s
• An experiment
The three friends agreed to the experiment. At the same time, they all took out an empty cylindrical container on the windowsill and placed it so that it was horizontal. Everyone lives in a different village, and each used a container with a different bot
• Water tank
The block-shaped tank is 2.5 m long, 100 cm wide and 12 dm high. In how many minutes will it be filled with water to two thirds if 40 liters of water flow into the tank per minute?
• Minute hand
What is the distance the minute hand of the clock travels in 12 minutes, if the diameter of the clock is 30 cm and the hand extends to a distance of 2 cm from the edge of the clock?
• When Emily
When Emily arrived home from school, she spent 8 minutes eating a snack. Then, she spent 15 minutes playing with her dog and 32 minutes doing her chores. Finally, Emily spent 45 minutes finishing her homework. How long had Emily been home when she finishe
• Decelleration
In a braking test, a vehicle that travels at 51 km/h stops in 5 s. What is the acceleration?
• Per shift
Two cars take beets from the same field to the sugar factory. Both drive at the same average speed. A car with mechanical tipping needs 15 minutes to travel to the sugar factory and back. A car that does not have a mechanical tipping needs 6 minutes longe
• Aircraft bearing
Two aircraft will depart from the airport simultaneously, the first with a course of 30° and the second with a course of 86°. Both fly at 330 km/h. How far apart will they be in 45 minutes of flight?

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