An object of m kg with speed of v m/s strikes a wall at an angle Â§ and rebounds at the same speed and same angle. The magnitude..
2 forces of 12 N & 8 N act upon a body. The resultant force on body has maximum value of
There are 2 given vectors A & B. Another vector C has same magnitude as B but same direction as A. Which of the following vectors ..
y component of velocity is 20 & x component of velocity is 10. The direction of motion of the body with the horizontal at this ins..
A is a vector with magnitude A, then the unit vector a in the direction of A would be:
A particle starting from origin moves in a straight line in the x,y plane. Its coordinates at later time are ((root)3 ,3). The pat..
The X & Y components of a force F acting at 30 degrees to x axis are:
Two person A & B are in X-Y plane at (0,0) & (0,10). In the below scenario, find the time after which A & B are at closest distanc..
Vector A makes equal angles with x,y & z axis. Which would be the value of its components in terms of its magnitude?
With respect to the Cartesian Coordinate System, 3 vectors a, b, c are expressed as following, where i, j, k are unit vectors alon..
3 concurrent forces of same magnitude are in equilibrium. What is the angle between the forces? Also name the triangle formed by t..
The maximum & minimum magnitude of resultant of 2 given vectors are 17 units & 7 units respectively. If these 2 vectors are at rig..
A body is moving with velocity 30m/s towards east. After 10 seconds, its velocity becomes 40 m/s towards North. The average accele..
For the following sets of forces, the resultant can never be zero. choose the right ans.
3 forces acting on a body are shown in figure. To have the resultant force only along y-direction, the magnitude of the minimum ad..
The particle has displacement of 12 m towards east and 5 m towards north then 6 m vertically upward. The sum of these displacement..
Among the following, the vector quantity is :
What would be the direction of the cosines of given vector A is:
Find a vector to add in the following 2 vectors to make the resultant vector into a unit vector.
Five equal forces of 10 N each are applied at one point & all are lying in one plane. If the angles between them are equal, the re..
There are 2 forces, one of 5 N and other of 12 N. At what angle should they be added to get resultant vector of 17N, 7 N & 13 N re..
A hall has the dimensions (10X12X14)m. A fly starting at one corner ends up at a diagonally opposite corner. Which of the followin..
A truck travelling due North at 20m/s turns west & travels at the same speed. What will be the change in its velocity
Which of the following is true about given vectors?
3 vectors P, Q, R are shown in figure. Let S be any point on vector R. The distance between point P & S is b |R|. Then the general..
Which of the following describes angular momentum?
Which of these are true about coordinate axis and vectors
Which of the following is Surface Area?
The scope for ratio of length is in order to ...............
the dimension of 1/2 e0 e^2, where is permittivity of free space and
What will be the magnitude & direction of sum of following 2 vectors A & B given below
If a particle moves from point P to point Q, then its displacement vector will be
Fission of uranium by slow neutrons is used in
Mechanics and newtonâ€™s motion laws as ............... laws depended.
Let the angle between 2 non zero vectors A & B be 120 degrees, then the resultant will be C whose value is
If the sum of 2 unit vectors is a unit vector, then the magnitude of its difference is
If the magnitude of sum of 2 vectors equal the magnitude of difference of 2 vectors, then angle between these vectors is
The angle made by vector A = i+j with x axis is
The dimensional formula for inductance is
A particle moves so that its position vector is given by r= cos wtx +sin wty. Which of the following is true?
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