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A motor boat is rising towards N at 25 Km/hr and the water current in that region is 10 km /hr in the direction of 60° east of south . Find the resultant velocity of the boat .
 one year ago
 one year ago
A motor boat is rising towards N at 25 Km/hr and the water current in that region is 10 km /hr in the direction of 60° east of south . Find the resultant velocity of the boat .
 one year ago
 one year ago

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ashnaBest ResponseYou've already chosen the best response.1
@waterineyes you know this sum ?
 one year ago

ashnaBest ResponseYou've already chosen the best response.1
you know some one in open study who can help me ?
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
I think @sauravshakya can help you here..
 one year ago

ashnaBest ResponseYou've already chosen the best response.1
i sent him a msg .. no reply :/
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
But he is online.. Let me try..
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
Which chapter is this ??
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
Yeah I think you will get help here..
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
@rsadhvika do you know how to solve this ??
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
dw:1344771481322:dw
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
Here A and B are the vectors.. A is representing the boat and B is representing Water...
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
Now We have to find Resultant first.. For that we first make our figure look like parallelogram..
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
Wait I draw the figure more clearly for you..
 one year ago

ashnaBest ResponseYou've already chosen the best response.1
its okay .. i can understand :)
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
dw:1344771854805:dw
 one year ago

ashnaBest ResponseYou've already chosen the best response.1
is that the parellelogram we need ?
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
Now make it look like parallelogram: dw:1344771989674:dw Getting this ??
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
Now can you draw diagonal of the parallelogram ??
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
Great.. This is the resultant of A and B vector..
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
You must mention the direction also..
 one year ago

ashnaBest ResponseYou've already chosen the best response.1
what direction ? direction of vector ?
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
dw:1344772213529:dw
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
Since boat has higher velocity then boat will go in upward direction.. Getting ??
 one year ago

ashnaBest ResponseYou've already chosen the best response.1
yeah ..and if lower velocity , down ?
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
Yeah that will depend upon velocity of water..
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
Have you studied about the formula: \[Resultant (R)= \sqrt{A^2 + B^2 + 2AB \cos(\theta)}\]
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
Here A is just velocity of boat that is : 25 and B is just velocity of water that is : 10 But you have to find theta first.. Right ??
 one year ago

ashnaBest ResponseYou've already chosen the best response.1
yeah .. how do we find theta ?
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
Theta is basically angle between the two vectors A and B.. Here what is the angle between A and B.. Can you locate on the drawing ??
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
That is the angle between A and the resultant.. We have to locate angle between A and B..
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
Don't worry @ashna I draw it..
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
dw:1344772809427:dw Getting?? That is the angle between A and B..
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
Can you find its value ??
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
Great.. A medal for you..
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
Can you tell cos(120) = ??
 one year ago

ashnaBest ResponseYou've already chosen the best response.1
yea .. cos (90+30)  sin 30  1/2 correct ?
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
I wish I could give you more medals.. Yes that is very correct.. Now can you use that formula ??
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
There is no need to go fast.. I can wait.. Just take your time and post your answer here..
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
I think this site is going to be down soon..
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
If my reply does not come @ashna then don't worry . Just post the answer or doubt here I will check it later on..
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
What happened @ashna
 one year ago

ashnaBest ResponseYou've already chosen the best response.1
okay .. now i can type .. some net problem i guess.. sorry for the delay .. i got square root 475 !
 one year ago
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