11th Physics Weekly Test - 4 (Kinematics)

MABS Institution

11th Physics Weekly Test - 4 (Kinematics)-Aug 2020

Time : 1.30 Hours

Part - A

Generic 3 - Answer All Question

For an object projected upward with a velocity v₀ which comes back to the same point after some time, draw
(i) Acceleration-time graph
(ii) Position-time graph
(iii) Velocity time graph

Consider an object travelling in a semi-circular path from point 0 to point P in 5 second, as is shown in the Figure. Calculate the average velocity and average speed.

A man moving in rain holds an umbrella inclined to the vertical though the rain drops are falling vertically. Why?

Find the expressions tangential acceleration.

Write an expression for an acceleration rectangular components.

The driver of a car travelling at 72 kmph observes the light .300m ahead of him turning red. The traffic. light is timed to remain red for 20 s before it turns green.If the motorist wishes to pass the light without stopping to wait for it to turn green, determine (i) the required uniform acceleration of the car (ii) the speed with which the motorist crosses the traffic light.

Define angular displacement and angular velocity.

Define acceleration.

How is the direction of vector product determined?
(i) By right hand screw rule.
(ii) Right hand thumb rule and State R.H Rule.

Define the term relative velocity. How can it be obtained vectorially, when the two objects with uniform velocities move in same direction.

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11th Physics Weekly Test - 4 (Kinematics)

MABS Institution

11th Physics Weekly Test - 4 (Kinematics)-Aug 2020

Part - A

Generic 3 - Answer All Question

For an object projected upward with a velocity v0 which comes back to the same point after some time, draw (i) Acceleration-time graph (ii) Position-time graph (iii) Velocity time graph

Consider an object travelling in a semi-circular path from point 0 to point P in 5 second, as is shown in the Figure. Calculate the average velocity and average speed.

A man moving in rain holds an umbrella inclined to the vertical though the rain drops are falling vertically. Why?

Find the expressions tangential acceleration.

Write an expression for an acceleration rectangular components.

Define angular displacement and angular velocity.

Define acceleration.

How is the direction of vector product determined? (i) By right hand screw rule. (ii) Right hand thumb rule and State R.H Rule.

Define the term relative velocity. How can it be obtained vectorially, when the two objects with uniform velocities move in same direction.

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Tamilnadu Stateboardszs - Class

For an object projected upward with a velocity v₀ which comes back to the same point after some time, draw
(i) Acceleration-time graph
(ii) Position-time graph
(iii) Velocity time graph

How is the direction of vector product determined?
(i) By right hand screw rule.
(ii) Right hand thumb rule and State R.H Rule.