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An example for a motion where the speed and direction of motion both changes continuously is 

Monjur Alahi

An example for a motion where the speed and direction of motion both changes continuously is 

A) Ball moving down the inclined plane 

B) Throwing stone into the air, making some angle with the horizontal 

C) Ball moving up the inclined plane 

D) Whirling stone


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Salim Ahmed Kawsar

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B) Throwing stone into the air, making some angle with the horizontal

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A man travels two-third part of his total distance with speed `v_(1)` and rest one-third part with speed `v_(2)`. Find out the average speed of the ma

Correct Answer - `(3v_(1)v_(2))/(v_(2)+2v_(1))

2 Answers 1 views
A constant force acting on a body of mass 3 kg changes its speed from 2 ms^-1 to 3.5 m/s in 25 s. The direction of motion of the body remains

Given: u = 2 ms-1, m = 3 kg, v = 3.5 m s-1, t = 25s To find: Force (F) Formula: F = ma Calculation: Since, v = u + at ∴ 3.5 =...

2 Answers 2 views
A conductor of 1 m length is moving with a speed of 10 m/s in the direction perpendicular to the direction of magnetic field of induction 0.8T.

Correct option is  D) 8 V

2 Answers 1 views
If the speed of an object decreases, the direction of velocity and acceleration are in …………….. direction. 

Correct option is A) same

2 Answers 1 views
If the direction of velocity changes continuously and speed remains constant, then the body will be in …………… motion. 

D) uniform circular

2 Answers 1 views
A car covers half the distance at a speed of 60 kmh^(-1)  and the other half at a speed of 40 km h^(-1) The average speed of the car is 

Correct option is B) 50 km h-1  

2 Answers 1 views
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Correct option is B) opposite

2 Answers 1 views
Assertion (A): A boy pushes the tyre again and again with a stick to increase its speed. If the net force acts in the direction of motion,

A) A and R are true, R supports A

2 Answers 1 views
When the speed of the body moving in a straight line changes continuously then the body acquires 

Correct option is A) Acceleration

2 Answers 1 views
Relative to the surface, the direction of the friction is always  A) In the direction of motion of the object

B) Opposite to direction of the motion of the object

2 Answers 1 views

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