If a vector 2i+3j+8k is perpendicular to the vector 4i-4j+ak,then the value of a is

If a vector 2i+3j+8k is perpendicular to the vector 4i-4j+ak,then the value of a is

Magnitude of vector which comes on addition of two vectors,6i+7j and 3i+4j is

Two forces each of magnitude F, have a resultant of the same magnitude F. The angle between the two forces is

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If |A+B|=|A-B|, then angle between A and B is_If A+B=A-B, then angle between A and B is_If mod of A vector plus B vector is equal to the mod of A vector minus B vector then angle between A and B is

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Find the projection of the vector A=i-2j+K on to the direction of vector B=4i-4j+7k

The unit of force constant is

If T is time period of simple pendulum at a place where acceleration due to gravity is g,then length of pendulum is

Sun's distance from the earth is equal to

A force of 2i+3j+4k newton acts on a body for 4 second, produces a displacement of 3i+4j+5k m.The power used is|| Physics class 11 mcqs

Calculate the work done by force F specified by F=3i+4j+5k in displacing a body from position B to position A along a straight path.The position vectors A and B are respectively given as rA=2i+5j-2k and rB=7i+3j-5k. Sindh Text Physics Numerical Solution

fermi is a unit of

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If a body covers three revolutions in 6 seconds then its angular velocity in S.I units will be

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Present to be tense in sindhi_-_use of is,am and are as to be verbs_english grammar

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The graph between force and time for which force acts on the body is shown in the figure below, the change in the momentum of the body is

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At what angle between force and displacement more work is done

The graph between force and extension for two springs is shown in figure below then find the ratio between the spring constant

If a body of mass 2 kg is moving with momentum 6 Ns, then its kinetic energy (K.E) will be

By increasing the distance from the positive point charge its potential