Chapter 2 – Vectors
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A particle moving with velocity bar V is acted by three forces shown by the vector triangle PQR. The velocity of the particle will :
27
Aug
A particle moving with velocity bar V is acted by three forces shown by the vector triangle PQR. The velocity of the particle will : A particle moving with velocity bar V is acted by three forces shown by the vector triangle PQR. The velocity of the particle will : August 27, 2020 Category: Chapter [...]
If a vector 2i^+3j^ + 8k^ is a perpendicular to the vector 4j^ – 4i^ + ak^. then d value of a is
27
Aug
If a vector 2i^+3j^ + 8k^ is a perpendicular to the vector 4j^ – 4i^ + ak^. then d value of a is If a vector 2i^+3j^ + 8k^ is a perpendicular to the vector 4j^ - 4i^ + ak^. then d value of a is August 27, 2020 Category: Chapter 2 - Vectors , [...]
A and B are two vectors and theta is the angle between them,if |A×B|=√3(A•B) the value of theta is
27
Aug
A and B are two vectors and theta is the angle between them,if |A×B|=√3(A•B) the value of theta is A and B are two vectors and theta is the angle between them if |A×B|=√3(A•B) the value of theta is August 27, 2020 Category: Chapter 2 - Vectors , NEET Last 32 Years Solved 1988 - [...]
Six vectors, a through f have the magnitudes and directions indicated in the figure. Which of the following statements is true?
27
Aug
Six vectors, a through f have the magnitudes and directions indicated in the figure. Which of the following statements is true? a through f have the magnitudes and directions indicated in the figure. Which of the following statements is true? Six vectors August 27, 2020 Category: Chapter 2 - Vectors , NEET Last 32 Years [...]
If vectors A = cos ωt i^ + sin ωt j^ and B = cos 2/ωti^ + sin 2/ωt j^ are functions of time, then the value of t at which they are orthogonal to each other
27
Aug
If vectors A = cos ωt i^ + sin ωt j^ and B = cos 2/ωti^ + sin 2/ωt j^ are functions of time, then the value of t at which they are orthogonal to each other If vectors A = cos ωt i^ + sin ωt j^ and B = cos 2/ωti^ + sin [...]
If the magnitude of sum of two vectors is equal to the magnitude of difference of the two vectors, the angle between these vectors is
27
Aug
If the magnitude of sum of two vectors is equal to the magnitude of difference of the two vectors, the angle between these vectors is If the magnitude of sum of two vectors is equal to the magnitude of difference of the two vectors the angle between these vectors is August 27, 2020 Category: Chapter [...]
The speed of boat is 5 Km/h in still water. It crosses a river of width 1.0 Km along shortest possible path in 15 min. The velocity of river water is
23
Aug
The speed of boat is 5 Km/h in still water. It crosses a river of width 1.0 Km along shortest possible path in 15 min. The velocity of river water is The speed of boat is 5 Km/h in still water. It crosses a river of width 1.0 Km along shortest possible path in 15 [...]
A person aiming to reach the exactly opposite point on the bank of a river. hid speed of swimming with a speed of 0.5 m/s at an angle of 120 degree with the direction of flow of water. The speed of water in the stream is
23
Aug
A person aiming to reach the exactly opposite point on the bank of a river. hid speed of swimming with a speed of 0.5 m/s at an angle of 120 degree with the direction of flow of water. The speed of water in the stream is Two particles A and B are connected by a [...]
The maximum range of a gun or horizontal range is 16 km. If g = 10 ms^-2. The muzzle velocity of the shell must be:-
23
Aug
The maximum range of a gun or horizontal range is 16 km. If g = 10 ms^-2. The muzzle velocity of the shell must be:- The maximum range of a gun or horizontal range is 16 km. If g = 10 ms^-2. The muzzle velocity of the shell must be:- August 23, 2020 Category: Chapter [...]
Two bodies of same mass are projected with the same velocity at an angle 30 degree and 60 degree respectively.The ratio of their horizontal ranges will be
23
Aug
Two bodies of same mass are projected with the same velocity at an angle 30 degree and 60 degree respectively.The ratio of their horizontal ranges will be Two bodies of same mass are projected with the same velocity at an angle 30 degree and 60 degree respectively.The ratio of their horizontal ranges will be August [...]