×

#### Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Click to Chat

1800-1023-196

+91-120-4616500

CART 0

• 0

MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping
```
A river has width 0.5 km and flows from west to east with a speed 30 km per hour if a boat man starts sailing his boat at a speed 40 km per hour normal to bank the boat shall cross the river in time

```
2 years ago

Shubham Kumar
54 Points
```							the time taken will be s/v and here s(distance)=0.5 km and v(velocity)=40 km/h ,therefore the time taken will be 45 seconds .the flow is in a direction perpendicular to the direction of movement therefore there will not be any other force actinf in the way of crossing and it can be caalculated as usual.
```
2 years ago
Think You Can Provide A Better Answer ?

## Other Related Questions on Mechanics

View all Questions »

### Course Features

• 101 Video Lectures
• Revision Notes
• Previous Year Papers
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Test paper with Video Solution

### Course Features

• 110 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions