Science Textbook of Competency Based Questions for Class IX>Chapter 7 - Motion>Exercise>Q 159

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IMPORTANT

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Two objects moving along the same straight line are leaving point A with acceleration $a, 2 a$ and initial velocity $2 u, u$ at time $t = 0$ . The distance moved by objects with respect to point A when one object, initially behind other, overtakes the other is

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Important Questions on Motion

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9th CBSE

IMPORTANT

Science Textbook of Competency Based Questions for Class IX>Chapter 7 - Motion>Exercise>Q 160

The distance-time graph of an object is shown in the figure given below. The object is:
$C:\Users\Lenovo user\Downloads\distance and time diagram (motion).png$

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Science Textbook of Competency Based Questions for Class IX>Chapter 7 - Motion>Exercise>Q 161

A body moves with a uniform speed of

10 km h^{- 1}

for

2 h

. The average speed of the body is _____

km h^{- 1}

.

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Science Textbook of Competency Based Questions for Class IX>Chapter 7 - Motion>Exercise>Q 162

A stone dropped from the top of the tower reaches the ground in

4 s

. The height of tower is :

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Science Textbook of Competency Based Questions for Class IX>Chapter 7 - Motion>Exercise>Q 163

A ball is thrown upward with a certain speed. It passes through the same point at

3

second and

7

second from the start. The maximum height achieved by the ball is:

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Science Textbook of Competency Based Questions for Class IX>Chapter 7 - Motion>Exercise>Q 164

Distance versus time graph of an object is as shown in the figure. The average speed of the object is _____ $m s^{- 1}$ .

Question Image

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Science Textbook of Competency Based Questions for Class IX>Chapter 7 - Motion>Exercise>Q 165

A car running at a speed of

54 {kmh}^{- 1}

. In the next second its speed is

63 {kmh}^{- 1}

. The distance covered by the car in

1 s

is :

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Science Textbook of Competency Based Questions for Class IX>Chapter 7 - Motion>Exercise>Q 166

A ball is gently dropped from a height of $20 m$ . If its velocity increases uniformly at a rate of $10 {ms}^{- 2}$ , the ball will strike the ground :

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Science Textbook of Competency Based Questions for Class IX>Chapter 7 - Motion>Exercise>Q 167

A scooterist sees a bus

1 km

ahead of him moving with a velocity of

10 {ms}^{- 1}

with what speed the scooterist should move so as to overtake the bus in

100 s

?