Thespeed of boat is 5 Km/h in still water. It crosses a river of width 1 Km along shortest possible path in 15 min. The velocity of river water is. A. 1 Km/h. B. 3 Km/h. C. 4 Km/h. D. 5 Km/h. Open in App. A boat which has a speed of 5 k m / h r in still water crosses a river of width 1 k m along the shortest possible path in 20 m i n. i) Distance travelled in 20 minutes : ⇒ 75 60 = x 20 ⇒ x = 75 × 20 60 = 25 km Thus, the train will cover a distance of 25 km in 20 minutes. [1.5 marks] (ii) Time required to cover a distance of 250 km: ⇒ 75 60 = 250 y ⇒ y = 250 × 60 75 = 200 minutes Thus, a distance of 250 kilometres will be covered in 200 minutes. [1.5 marks] One20-minute walk per day, at a brisk pace, will boost you from the deadly "inactive" category. This type of walk will cover at least one mile and add 2000 to 3000 steps to your daily step count. It will burn 70 to 100 calories, depending on your weight. A large study showed that a brisk 20-minute walk each day could reduce the risk of early Acar travels a distance of 15 km in 20 minutes find the speed of the car in kilometre per hour and metre per second. View Solution. Q3. The climb from foot to top of a hill is 800 meters , Jack can climb at 16 meters per minute and rest for two minutes or 20 meters per 2 minutes and rest for one minute. Paul can climb at 10 meters per one Keeptrack of your training times. Running 5K in less than 20 minutes requires running at 6:26 pace for 3.1 miles (5.0 km). You need to be able to run at least a 6:00 mile before you run this 5k in under 20 Averagespeed: 249.5 km/h (155 mph) (duration: 7 minutes and 20 seconds) or: Cruising speed: 300 km/h (186 mph) another 20 min by subway from the city centre. In February 2003, the Shanghai Maglev train transported 18,000 guests during the first nine days of the Lunar New Year; Aboat which has a speed of 5 km\/hr in still water crosses a river of width 1km along the shortest path in 15 minutes. The velocity of the river water in km\/hr isA. 1B. 3C. 4D. 41. Ans: Hint: To find the solution of Ifyou’re new to running, begin with 20- to 30-minute sessions, Or you can run at a high speed for 2 to 5 minutes followed by an equal time spent jogging. Do this 4 to 6 times. UNJ2Se.

5 km in 20 minutes speed