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Easy

Question

# A boy throws a cricket ball from the boundary to the wicket-keeper. If the frictional force due to air cannot be ignored, the forces acting on the ball at the position *X* are respected by

## The correct answer is:

### The forces acting on the ball will be (i) in the direction opposite to its motion frictional force and(ii) weight .

### Related Questions to study

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### Four capacitors are connected as shown in figure. The equivalent capacitance between and is

### Four capacitors are connected as shown in figure. The equivalent capacitance between and is

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### A particle originally at a rest at the highest point of a smooth circle in a vertical plane, is gently pushed and starts sliding along the circle. It will leave the circle at a vertical distance below the highest point such that

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### Electrons ejected from the surface of a metal, when light of certain frequency is incident on it, are stopped fully by a retarding potential of 3 volts Photo electric effect in this metallic surface begins at a frequency 6 x 1014s ^{-1} The frequency of the incident light in s^{-1} is [h=6 x 10^{-34}J-sec;charge on the electron=1.6x10^{-19}C]

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### Trajectories of two projectiles are shown in figure. Let and be the time periods and and their speeds of projection. Then

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### A body is projected up a smooth inclined plane with a velocity from the point as shown in figure. The angle of inclination is and top of the plane is connected to a well of diameter 40 m. If the body just manages to cross the well, what is the value of ? Length of the inclined plane is , and

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