Coordinates of a particle as a function of time t are x = 2t, y = 4t. It can be inferred that the path of the particle will be
1. Straight line
2. Ellipse
3. Parabola
4. Hyperbola
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhen a man walks on a horizontal road with velocity 1 km/h, the rain appears to him coming vertically at a speed of 2 km/h. The actual speed of the rain with respect to ground is:
1. km/h
2. km/h
3. 1 km/h
4. 3 km/h
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA body started moving with initial velocity 4 m/s along the east and acceleration 1 along the north. The velocity of the body just after 4 s will be
1. 8 m/s along East
2. m/s along North-East
3. 8 m/s along North
4. m/s along South-East
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA particle is thrown obliquely at t = 0. The particle has the same K.E. at t = 5 seconds and at t = 9 seconds. The particle attains maximum altitude at:
1. t = 6 s
2. t = 7 s
3. t = 8 s
4. t = 14 s
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe position vector of a particle is . The velocity of the particle is:
1. parallel to the position vector.
2. at 60° with position vector.
3. parallel to the acceleration vector.
4. perpendicular to the position vector.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA projectile is projected from the ground with the velocity at an angle with the horizontal. What is the vertical component of the velocity of the projectile when its vertical displacement is equal to half of the maximum height attained?
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA particle starts moving on a circular path from rest, such that its tangential acceleration varies with time as = kt. Distance traveled by particle on the circular path in time t is
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe speed of water in a river is 4 km/h and a man can swim at 5 km/h. The minimum time taken by the man to cross the river of width 200 m is:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA particle is moving on a circular path of radius R. When the particle moves from point A to B (angle ), the ratio of the distance to that of the magnitude of the displacement will be
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo particles move from A to C and A to D on a circle of radius R and diameter AB. If the time taken by both particles are the same, then the ratio of magnitudes of their average velocities is:
1. 2
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology