141318
If a person can throw a stone to maximum height of meter vertically, then the maximum distance through which it can be thrown horizontally by the same person is
1
2
3
4
Explanation:
C Let a person throw a stone vertically with initial velocity . The maximum height attained by the stone so, at this height final velocity is zero. We know that, we get - Maximum horizontal range,
WB JEE 2011
Motion in One Dimensions
141320
A bullet emerges from a barrel of length with a speed of . Assuming constant acceleration, the approximate time that it spends in the barrel after the gun is fired is
1
2
3
4
Explanation:
A Given that, We know that, at
WB JEE 2008
Motion in One Dimensions
141321
A shell of mass is moving with a velocity of when it blasts and forms two parts of mass and respectively. If the mass is stationary, the velocity of the is
1
2
3
4
Explanation:
C Given that, According to the law of conservation of momentum
WB JEE 2008
Motion in One Dimensions
141322
The distance travelled by an object along a straight line in time is given by , the initial velocity of the object is
1 3 unit
2 -3 unit
3 4 unit
4 -4 unit
Explanation:
D Distance travelled by an object is Differentiate w.r.t ' ' both side, we get - Initial velocity unit
WB JEE 2008
Motion in One Dimensions
141323
If the displacement of a particle changes with time as , then the velocity of the particle will be proportional to
1
2
3
4
Explanation:
B Given that, Displacement of the particles So, the velocity of the particle will be proportional to
141318
If a person can throw a stone to maximum height of meter vertically, then the maximum distance through which it can be thrown horizontally by the same person is
1
2
3
4
Explanation:
C Let a person throw a stone vertically with initial velocity . The maximum height attained by the stone so, at this height final velocity is zero. We know that, we get - Maximum horizontal range,
WB JEE 2011
Motion in One Dimensions
141320
A bullet emerges from a barrel of length with a speed of . Assuming constant acceleration, the approximate time that it spends in the barrel after the gun is fired is
1
2
3
4
Explanation:
A Given that, We know that, at
WB JEE 2008
Motion in One Dimensions
141321
A shell of mass is moving with a velocity of when it blasts and forms two parts of mass and respectively. If the mass is stationary, the velocity of the is
1
2
3
4
Explanation:
C Given that, According to the law of conservation of momentum
WB JEE 2008
Motion in One Dimensions
141322
The distance travelled by an object along a straight line in time is given by , the initial velocity of the object is
1 3 unit
2 -3 unit
3 4 unit
4 -4 unit
Explanation:
D Distance travelled by an object is Differentiate w.r.t ' ' both side, we get - Initial velocity unit
WB JEE 2008
Motion in One Dimensions
141323
If the displacement of a particle changes with time as , then the velocity of the particle will be proportional to
1
2
3
4
Explanation:
B Given that, Displacement of the particles So, the velocity of the particle will be proportional to
141318
If a person can throw a stone to maximum height of meter vertically, then the maximum distance through which it can be thrown horizontally by the same person is
1
2
3
4
Explanation:
C Let a person throw a stone vertically with initial velocity . The maximum height attained by the stone so, at this height final velocity is zero. We know that, we get - Maximum horizontal range,
WB JEE 2011
Motion in One Dimensions
141320
A bullet emerges from a barrel of length with a speed of . Assuming constant acceleration, the approximate time that it spends in the barrel after the gun is fired is
1
2
3
4
Explanation:
A Given that, We know that, at
WB JEE 2008
Motion in One Dimensions
141321
A shell of mass is moving with a velocity of when it blasts and forms two parts of mass and respectively. If the mass is stationary, the velocity of the is
1
2
3
4
Explanation:
C Given that, According to the law of conservation of momentum
WB JEE 2008
Motion in One Dimensions
141322
The distance travelled by an object along a straight line in time is given by , the initial velocity of the object is
1 3 unit
2 -3 unit
3 4 unit
4 -4 unit
Explanation:
D Distance travelled by an object is Differentiate w.r.t ' ' both side, we get - Initial velocity unit
WB JEE 2008
Motion in One Dimensions
141323
If the displacement of a particle changes with time as , then the velocity of the particle will be proportional to
1
2
3
4
Explanation:
B Given that, Displacement of the particles So, the velocity of the particle will be proportional to
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Motion in One Dimensions
141318
If a person can throw a stone to maximum height of meter vertically, then the maximum distance through which it can be thrown horizontally by the same person is
1
2
3
4
Explanation:
C Let a person throw a stone vertically with initial velocity . The maximum height attained by the stone so, at this height final velocity is zero. We know that, we get - Maximum horizontal range,
WB JEE 2011
Motion in One Dimensions
141320
A bullet emerges from a barrel of length with a speed of . Assuming constant acceleration, the approximate time that it spends in the barrel after the gun is fired is
1
2
3
4
Explanation:
A Given that, We know that, at
WB JEE 2008
Motion in One Dimensions
141321
A shell of mass is moving with a velocity of when it blasts and forms two parts of mass and respectively. If the mass is stationary, the velocity of the is
1
2
3
4
Explanation:
C Given that, According to the law of conservation of momentum
WB JEE 2008
Motion in One Dimensions
141322
The distance travelled by an object along a straight line in time is given by , the initial velocity of the object is
1 3 unit
2 -3 unit
3 4 unit
4 -4 unit
Explanation:
D Distance travelled by an object is Differentiate w.r.t ' ' both side, we get - Initial velocity unit
WB JEE 2008
Motion in One Dimensions
141323
If the displacement of a particle changes with time as , then the velocity of the particle will be proportional to
1
2
3
4
Explanation:
B Given that, Displacement of the particles So, the velocity of the particle will be proportional to
141318
If a person can throw a stone to maximum height of meter vertically, then the maximum distance through which it can be thrown horizontally by the same person is
1
2
3
4
Explanation:
C Let a person throw a stone vertically with initial velocity . The maximum height attained by the stone so, at this height final velocity is zero. We know that, we get - Maximum horizontal range,
WB JEE 2011
Motion in One Dimensions
141320
A bullet emerges from a barrel of length with a speed of . Assuming constant acceleration, the approximate time that it spends in the barrel after the gun is fired is
1
2
3
4
Explanation:
A Given that, We know that, at
WB JEE 2008
Motion in One Dimensions
141321
A shell of mass is moving with a velocity of when it blasts and forms two parts of mass and respectively. If the mass is stationary, the velocity of the is
1
2
3
4
Explanation:
C Given that, According to the law of conservation of momentum
WB JEE 2008
Motion in One Dimensions
141322
The distance travelled by an object along a straight line in time is given by , the initial velocity of the object is
1 3 unit
2 -3 unit
3 4 unit
4 -4 unit
Explanation:
D Distance travelled by an object is Differentiate w.r.t ' ' both side, we get - Initial velocity unit
WB JEE 2008
Motion in One Dimensions
141323
If the displacement of a particle changes with time as , then the velocity of the particle will be proportional to
1
2
3
4
Explanation:
B Given that, Displacement of the particles So, the velocity of the particle will be proportional to