See we have to find out the resultant here.
First vector is given 20 units and second 10 units. (See the image)
So by applying formula for resultant,
R = (200 + 100 + 2× 20 × 10 × cos 60)^1/2
I am getting 10 underoot 6 but answer is 10 underoot 3. How?

Question

See we have to find out the resultant here.
First vector is given 20 units and second 10 units. (See the image)

So by applying formula for resultant,
R = (200 + 100 + 2× 20 × 10 × cos 60)^1/2

I am getting 10 underoot 6 but answer is 10 underoot 3. How?

Arun · Answer

Dear Aabha square of 20 = 400 you have written incorrect hope it helps Regards Arun (askIITians forum expert)

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See we have to find out the resultant here. First vector is given 20 units and second 10 units. (See the image) So by applying formula for resultant, R = (200 + 100 + 2× 20 × 10 × cos 60)^1/2 I am getting 10 underoot 6 but answer is 10 underoot 3. How?

See we have to find out the resultant here.
First vector is given 20 units and second 10 units. (See the image)
So by applying formula for resultant,
R = (200 + 100 + 2× 20 × 10 × cos 60)^1/2
I am getting 10 underoot 6 but answer is 10 underoot 3. How?

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See we have to find out the resultant here. First vector is given 20 units and second 10 units. (See the image) So by applying formula for resultant, R = (200 + 100 + 2× 20 × 10 × cos 60)^1/2 I am getting 10 underoot 6 but answer is 10 underoot 3. How?

See we have to find out the resultant here. First vector is given 20 units and second 10 units. (See the image)So by applying formula for resultant,R = (200 + 100 + 2× 20 × 10 × cos 60)^1/2I am getting 10 underoot 6 but answer is 10 underoot 3. How?

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See we have to find out the resultant here.
First vector is given 20 units and second 10 units. (See the image)
So by applying formula for resultant,
R = (200 + 100 + 2× 20 × 10 × cos 60)^1/2
I am getting 10 underoot 6 but answer is 10 underoot 3. How?