Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 62

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The horizontal and verticle distances travelled by a particle in time $t$ are given by $x = 6 t$ and $y = 8 t - 5 t^{2} .$ If $g = 10 m / \sec^{2} .$ then the initial velocity of the particle is-

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Important Questions on Kinematics

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 63

In the above question the angle with the horizontal at which the projectile is projected is :

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 64

What is the value of acceleration due to gravity for the case described in above question

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 65

Which of the following is the graph between the height

(h)

of a projectile and time

(t)

, when it is projected from the ground

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 66

In case of a projectile fired at an angle equally inclined to the horizontal and vertical with velocity

(u) .

The horizontal range is :-

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 67

The range of a projectile when fired at

75 °

with the horizontal is

0.5 km .

What will be its range when fired at

45 °

with same speed

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 68

A particle is projected with a velocity

u

making an angle

θ

with the horizontal. At any instant, its velocity

v

is at right angles to its initial velocity

u;

then

v

is :-

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 69

The speed at the maximum height of a projectile is

\frac{\sqrt{3}}{2}

time of its initial speed

u

of projection. Its range on the horizontal plane :-

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 70

What is the ratio of

P . E .

w.r.t. ground and

K . E .

at the top most point of the projectile motion :-