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CBSE Class 11-science Answered

what is dot product?
Asked by | 16 Jul, 2008, 09:49: PM
answered-by-expert Expert Answer

the dot product, also known as the scalar product, is an operation which takes two vectors over the real numbers R and returns a real-valued scalar quantity

The dot product of two vectors a = [a1, a2, … , an] and b = [b1, b2, … , bn] is defined as:

Answered by | 16 Jul, 2008, 11:51: PM
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CBSE 11-science - Physics
the question
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Asked by rajeshabirami27 | 07 May, 2024, 04:31: PM
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CBSE 11-science - Physics
A train starts from a station with a constant acceleration of 4 m/s2. Two seconds later another train passes the same station on the same line and in the same direction with a constant velocity. Find the velocity if the collision is first averted
Asked by yatin1043 | 06 May, 2024, 02:47: PM
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CBSE 11-science - Physics
1
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Asked by pc2091054 | 05 May, 2024, 10:43: AM
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CBSE 11-science - Physics
answer me
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Asked by sheikhsaadat24 | 17 Apr, 2024, 09:41: PM
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CBSE 11-science - Physics
.A SHM is expressed by the equation x = A cos (ωt + φ) and the phase angle φ =0. Draw graphs to show variation of displacement, velocity and acceleration for one complete curve in SHM.
Asked by sy123946 | 07 Apr, 2024, 04:23: PM
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CBSE 11-science - Physics
the dimension of stopping potential vo in photoelectric effect in units of plank's constant 'h',speed of light 'c' and gravitational constant 'G' and ampereA
Asked by derhebha955 | 03 Apr, 2024, 09:03: AM
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CBSE 11-science - Physics
In this que while solving it we take D F of alpha =D.F of beta.Why is it so?
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Asked by sumedhasingh238 | 29 Mar, 2024, 05:15: PM
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CBSE 11-science - Physics
In physics if 2 quantities are dimensionless then their dimensional formula are equal?
Asked by sumedhasingh238 | 28 Mar, 2024, 11:10: PM
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CBSE 11-science - Physics
7. State the relation between maximum range and maximum height of the projectile if the angle of projection is 45 deg
Asked by roshnibudhrani88 | 23 Mar, 2024, 05:52: PM
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CBSE 11-science - Physics
The second overtone of a pipe closed at one end has the same frequency as the third overtone of a pipe open at both ends. Compare the length of the pipes
Asked by emad.amd | 21 Mar, 2024, 12:00: PM
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