A bacterium divides once every minute by binary fission and takes 1 hour to fill a cup. How much time will it take to fill the cup 1/4th?

15

Questions Match

1.
A bacterium divides once every minute by binary fission and takes 1 hour to fill a cup. How much time will it take to fill the cup 1/4^th?

1. 30 minutes2. 59 minutes3. 58 minutes4. 15 minutes

2.
A particle starts with an initial velocity 3 m/s along the positive x-axis and it accelerates uniformly at the rate of 0.60 m/s². How much is the time taken by it to reach a velocity of 9 m/s?

1. 9 s2. 10 s3. 8 s4. 11 s

3.
A person can swim in still water at 5 m/s. How much time will he take to move a distance of 120 m in stream of water flowing at 1 m/s up stream and drown-stream respectively?

1. 24 s, 24 s2. 20 s, 30 s3. 30 s, 20 s4. None of these

4.
A person covers a certain distance downstream in 15 s and upstream in 30 s. How much time will he take to cover same distance in still water?

1. 22.5 s2. 3. 20 s4. None of these

5.
How much force is required to stop a bus (in 10 s) of mass 5000 kg moving with a speed of 72 km/h?

1. –104 N2. –105 N3. –107 N4. –106 N

A bacterium divides once every minute by binary fission and takes 1 hour to fill a cup. How much time will it take to fill the cup 1/4th?