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Start learning 50% faster. Sign in nowAtmospheric pressure is basically the weight of air in the atmosphere above the reservoir, so the level of mercury continues to change until the weight of mercury in the glass tube is exactly equal to the weight of air above the reservoir.
A Swimmer Walks 45km along the river's flow in 3 hours 45 minutes and walks 15km against the flow in 2 hours 30min. Find the speed of the boat in Still ...
The speed of a boat in still water is 20 km/hr. If the boat covers 80 km in upstream in 8 hours, then find the time taken by the boat to travel 150 km i...
A motorboat in still water travels at a speed of 40 km/hr. It goes 45 km upstream in 2 hour 15 minutes. The time taken by it to cover the same distance ...
A boat takes 3 hours to travel 24 km downstream and 4 hours to travel 16 km upstream. What is the speed of the current?
The speed of a boat in still water is 11 times the speed of the stream. If the difference between the upstream and downstream speed of the boats is 20 k...
Speed of a boat in still water is 18 km/h while the speed of stream is ____ km/h. Total time taken by the boat to go 90 km upstream and 210 km downstrea...
A boat moving upstream takes 8 hours 48 minutes to cover a distance while it takes 4 hours to return to the starting point, downstream. What is the rati...
A man can go on a motor boat with a speed of 15 km/hour in still water, he goes to a certain distance upstream and come back to the starting point in a ...
A man can go on a motor boat with a speed of 15 km/hour in still water to a certain upstream point and come back to the starting point in a river which ...
