Question # 1

Average acceleration is a

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Scalar quantity

Vector quantity

(-) ve quantity

None of these

A typical rocket consumes fuel about

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40000 Kgs-1

30000 Kgs-1

20000 Kg s-1

10000 Kgs-1

Height of projectile is maximum at an angle of.

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45^o

60^o

30^o

90^o

When the car moves with an increasing acceleration then its velocity time graph is always

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Constant

Variable

A straight line

A curve

If a mass of a body is doubled, then acceleration becomes.

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Double

Half

One fourth

Constant

The shortest distance between two points is called

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Distance

Amplitude

Displacement

Is a number

The angle of projection for which its maximum height and horizontal range are equal

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46 ^o

56^o

66^o

76^o

When average velocity becomes equal to instantaneous than body is called moving with.

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Instantaneous acceleration

Constant acceleration

Constant velocity

Variable velocity

An immediate source of energy for our body is:

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mango

Glucose

mushroom

meat

For maximum range the angle of projection must be

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30^o

45^o

60^o

90^o

When velocity time graph is a straight line parallel to time axis then

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Velocity is zero

Acceleration is constant

Acceleration is zero

Velocity is variable

Change of momentum is equal to

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Force

Tension

Impulse

Pressure

Kg ms-1 can also be written as

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Nm

Ns

Ns-1

Js

The horizontal component of velocity of projectile

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Increases

Decreases

Remain same

Decreases and then increases

the shortest distance between two points is called.

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Speed

Acceleration

Distance

Displacement

Horizontal range is maximum when the angle of projectile is.

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0 o

30 o

45 o

60 o

When the body moves with constant acceleration the velocity time graph is

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Parabola

Hyperbola

Straight line

Curve

The acceleration of a projectile along x axis is.

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Zero

Increase

Decrease

Equal to 'g'

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