A particle starting from the origin (0, 0) moves in a straight line in the (x, y) plane. Its coordinates at a later time are (, 3). The path of the particle makes an angle of .......................with the x-axis :
1. 30o
2. 45o
3. 60o
4. 0o
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFor a projectile projected at angles (45°-θ) and (45°+θ), the horizontal ranges described by the projectile are in the ratio of:
1. 1:1
2. 2:3
3. 1:2
4. 2:1
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA car turns at a constant speed on a circular track of radius 100 m, taking 62.8 s for every circular lap. The average velocity and average speed for each circular lap, respectively, is :
1. 0,0
2. 0, 10 m/s
3. 10 m/s, 10 m/s
4. 10 m/s, 0
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo particles A and B are moving in a uniform circular motion in concentric circles of radii with speeds respectively. Their time periods of rotation are the same. The ratio of angular speed of A to that of B will be:
1. 1: 1
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA particle is projected with a speed u at an angle to the horizontal. Radius of curvature at highest point of its trajectory is
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFigure below shows a body of mass M moving with a uniform speed v on a circular path of radius, R. What is the change in acceleration in going from P1 to P2?
1. zero
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThree balls are thrown from the top of a building with equal speeds at different angles. When the balls strike the ground, their speeds are respectively, then:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA particle moves along a parabolic path y = 9x2 in such a way that the x component of the velocity remains constant and has a value of . It can be deduced that the acceleration of the particle will be
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo particles A and B, move with constant velocities \(\vec{v_1}\) and \(\vec{v_2}\) . At the initial moment their position vector are \(\vec{r_1}\) and \(\vec{r_2}\) respectively. The condition for particles A and B for their collision to happen will be
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA missile is fired for a maximum range with an initial velocity of 20 m/s. If g= 10 m/s2, then the range of the missile will be
1. 50 m
2. 60 m
3. 20 m
4. 40 m
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology