Time - math word problems - page 24 of 171
Number of problems found: 3410
- Distance from Sound
Sound travels at a speed of 330 meters per second. The observer heard the bang 14 seconds after the flash. At what distance did the flash occur from the observer? - Staircase - escalator
An escalator moves downward at a speed of 0.6 m/s at an angle of 45° to the horizontal. A person weighing 80 kg walks upward on it at a speed of 0.9 m/s. Determine the distance covered by the person and the work done by him before he reaches a height of 2 - Passenger car and truck
At 6 a.m., a truck left the Factory at 40 km/h. At 6:30, a car drove behind it at 70 km/h. How long, at what time, and how far from the Factory will the passenger car catch up with the truck? - Harvest Weights Distribution
Martin brought twice as much harvest as Thomas and Philip, 15 kg more than Martin. They got a total of 65 kg of harvest. How much did each person bring? - Timetable 2
A train runs on a regular schedule from city A to city B, 270 km away, in 3 hours. On Monday, the train left city A 18 minutes late, but arrived in city B on schedule. By how many km/h was the average speed of the train on Monday higher than the scheduled - Following bike
At 8:00 a.m., my son rode a bicycle at a speed of 18 km/h. at 8:20 a.m., his father followed him at a speed of 60 km/h. How long will it take for Dad to arrive? - Calculate
A bicycle wheel rotates with a frequency of f = 25 Hz. By braking, its rotation is slowed uniformly and the wheel stops after a time of t₀ = 30 s from the start of braking. Calculate the angular deceleration ε and the number of revolutions the wheel makes - Travel Time Calculation
Travelers made 2/5 km of journey per day. How long did it take her to cover the distance of 2.4 km? - Lifetime - bell curve
Laser lifetime follows a normal distribution with a mean of 7000 hours and a standard deviation of 600 hours. What is the probability that the laser will fail before 6000 hours? What is the probability that the laser will last at least 7500 hours? - Material Delivery Rate
Five cars deliver 300 tons of material in 6 days. How many tons of material will 10 cars deliver in 9 days? - Daughter and Mom
The mother is 38 years old, and the daughter is 16 years old. When was the mother three times as old as her daughter (how many years ago)? - Distance
If Dana increases her walking speed by 1 km/h, she will cover more than 20 km in 4 hours. If she decreases her speed by 1 km/h, she will cover no more than 20 km in 5 hours. At what speed did Dana walk? (s = v · t; s = distance, v = speed, t = time.) Solv - Circumscribed triangle
Calculate the radius of the circle of the circumscribed triangle, which has side dimensions of 8, 10, and 14 cm. - Electricity bill - share
Three roommates divided the electricity bill according to the time spent on the PC. Adam and Brano's time is divided in the ratio of 1:4, and Brano and Damian's time is divided in the ratio of 2:5. In what proportion do all three boys spend the time at th - Dividing Chocolate Fairly
Granddaughter Mia helped the old for 3 days, Ema for 2 days, and Zoja for 4 days. If the grandmother wants to reward her granddaughters fairly according to how long they have been helping her, in what proportion should she divide the chocolate among her g - Monthly Salary with Bonuses
An employee with 2 children is paid an hourly wage of CZK 198 per hour, a 20% bonus; she received a one-time bonus of CZK 1,000. In a month that had 21 working days, she worked 20 days, and the rest was on vacation. Its average is CZK 206 per hour. He has - Motion with Decreasing Acceleration The acceleration of a mass point during its rectilinear movement decreases uniformly from the initial value a0 = 10 m/s2 at time t0 = 0 to a zero value for a period of 20 s. What is the speed of the mass point at time t1 = 20 s, and what is the path of th
- Peleton In a cycling race, the peloton travels at an average speed of 36 km/h. One competitor stopped for 5 minutes to repair a puncture. By how many kilometres per hour did his speed exceed the speed of the peloton when he caught up with it in 20 minutes? How lo
- Evelyn garden plowing
Evelyn plows the garden in four hours, while her friend Doubravka can do it in three hours. Evelína started work at 1 p.m., and an hour later, Doubravka joined her so they could go swimming together. Calculate the time the girls can go to the swimming poo - Hourglass ticks
The hourglass ticks three times in 5 minutes. How many times do they spill in 2 hours?
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