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PRADEEP PUBLICATION-VECTORS-EXERCISE
- A girl walks 4 km towards west, then she walks 3 km in a direction 30^...
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- If vec a= vec b + vec c then is it true that |vec a|= |vec b|+ |vec c|...
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- Find the value of x for which x (hat i +hat j +hat k) is a unit vector...
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- Find a vector of magnitude 5 units, and parallel to the resultant of t...
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- If vec a= hat i+hat j+hat k , vec b = 2 hat i- hat j+3 hat k and vec c...
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- Show that the points A (1, - 2, - 8), B (5, 0,- 2) and C (11, 3, 7) ar...
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- Find the position vector of a point R which divides the line joining t...
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- The two adjacent sides of a parallelogram are 2 hat i-4 hat j+5 hatk a...
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- Show that the direction cosines of a vector equally inclined to the ax...
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- Let a=hat(i)+4hat(j)+2hat(k), b=3hat(i)-2hat(j)+7hat(k) and c=2hat(i)-...
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- The scalar product of the vectorhat i+hat j+ hatk with a unit vector a...
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- If vec a, vec b ,vec c are mutually perpendicular vectors of equal ma...
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- Prove that (vec a+vec b)* (vec a+ vec b)=|vec a|^2 +|vec b|^2, if and ...
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- If θ is the angle between two vectors vec a and vec b, then vec a*vec ...
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- Let vec a and vec b be two unit vectors and θ is the angle between the...
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- If (hat i, hat j, hat k) are the usual three perpendicular unit vector...
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- If theta is the angle between any two vectors vec(a) and vec(b), "then...
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- If vec a is a non-zero vector, then (1/|vec a|) vec a is a..........
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- If vec a, vecb are non-collinear vectors, then vec a, vecb and vec a +...
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- The vector veca+vecb bisects the angle between the non collinear vecto...
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