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Type: Posts; User: qmaster

1. ## Question: A boat which has a speed of 5km/hr in still water crosses a river of width 1 km along

by qmaster
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698

### A boat which has a speed of 5km/hr in still water crosses a river of width 1 km along

A boat which has a speed of 5km/hr in still water crosses a river of width 1 km along the shortest possible path in 15 min. The velocity of the river water in km/hr is?
2. ## Question: One body is dropped and a second body is thrown downwards with an initial velocity of

by qmaster
3
Views
936

### Could you explain how?

Could you explain how?
3. ## Question: One body is dropped and a second body is thrown downwards with an initial velocity of

by qmaster
3
Views
936

### One body is dropped and a second body is thrown downwards with an initial velocity of

One body is dropped and a second body is thrown downwards with an initial velocity of 1m/s simultaneously. The separation between these two bodies is 18m after a time.. ans:18 sec
4. ## Question: Test your knowledge

by qmaster
1
Views
494

A body starts from rest and falls vertically through a height of 19.6m . If g=9.8m/s2 then the time taken by the body to fall through the last metre of its fall is? Ans :0.05 sec please solve it..
5. ## Question: A body starts from rest and falls vertically through a height of 19.6m . If g=9.8m/s2

by qmaster
0
Views
485

### A body starts from rest and falls vertically through a height of 19.6m . If g=9.8m/s2

A body starts from rest and falls vertically through a height of 19.6m . If g=9.8m/s2 then the distance travelled by the body in last 0.1 sec of its motion is.. ans 1.9m please solve it/
6. ## Question: A body falls freely from the top of a tower and it falls 7/16th of the total distance

by qmaster
1
Views
716

### A body falls freely from the top of a tower and it falls 7/16th of the total distance

A body falls freely from the top of a tower and it falls 7/16th of the total distance in its last second. The time taken by the body for complete motion is.. ans:4 sec pz solve it.
7. ## Question: a motor car covers 1/3 part of total distance with v1=10km/hr second 1/3 part with v2

by qmaster
1
Views
770

### a motor car covers 1/3 part of total distance with v1=10km/hr second 1/3 part with v2

a motor car covers 1/3 part of total distance with v1=10km/hr second 1/3 part with v2=20 km/hr and rest 1/3 part v3=60km/hr. what is the average speed of the car?
8. ## Question: A body slding on a smooth inclined plane takes 4sec to reach the bottom, starting fro

by qmaster
0
Views
578

### A body slding on a smooth inclined plane takes 4sec to reach the bottom, starting fro

A body slding on a smooth inclined plane takes 4sec to reach the bottom, starting from rest at the top. How much time does it take to cover 1/4th dist from the top?
9. ## Question: MCQ physics.. try solving it!

by qmaster
0
Views
432

### MCQ physics.. try solving it!

A body slding on a smooth inclined plane takes 4sec to reach the bottom, starting from rest at the top. How much time does it take to cover 1/4th dist from the top?
10. ## Question: Iit question

by qmaster
3
Views
520

### No I don't... plz help me

No I don't... plz help me
11. ## Question: Iit question

by qmaster
3
Views
520

### Iit question

a bus is beginning to move with an accleration of 1 m/s^2. A boy who is 48m behind the bus starts running at 10m/s. after whattime will he be able to catch the bus?
a. 6s b. 8s c. 10

by qmaster