Questions by varun

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(a) Define time of flight and horizontal range?(b) From a certain height above the ground a stone A is dropped gently. Simultaneously another stone B is fired horizontally. Which of the two stones will arrive on the ground

asked Mar 19, 2022 in 11th Physics

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Give an example of a body moving with uniform speed but having a variable velocity and an acceleration which remains constant in magnitude but changes in

asked Mar 19, 2022 in 11th Physics

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What is the direction of centripetal force when particle is following a circular

asked Mar 19, 2022 in 11th Physics

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Two vectors `vecA` and `vecB` are perpendicular to each other. What is the value of `vecA .vecB`

asked Mar 19, 2022 in 11th Physics

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Two forces 5 and 10 kg wt are acting with an inclination of `120^o` between them. What is the angle which the resultant makes with 10kg

asked Mar 19, 2022 in 11th Physics

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A stone is thrown vertically upwards and then it returns to the thrower. Is it a projectile?

asked Mar 19, 2022 in 11th Physics

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Which is greater the angular velocity of the hour hand of a watch or angular velocity of earth around its own

asked Mar 19, 2022 in 11th Physics

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Why does the direction of motion of a projectile become horizontal at the highest point of its

asked Mar 19, 2022 in 11th Physics

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A vector `vecA` has magnitude 2 and another vector `vecB` have magnitude 3 and is perpendicular to each other. By vector diagram find the magnitude of `2vecA +vecB` and show its direction in the

asked Mar 19, 2022 in 11th Physics

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Find a unit vector parallel to the resultant of the vectors`vecA=2hati+3hatj+4hatk and

asked Mar 19, 2022 in 11th Physics

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(a) What is the angle between `vecA and vecB` if `vecA and vecB` denote the adjacent sides of a parallelogram drawn form a point and the area of the parallelogram is `1/2 AB` ?(b) State and prove triangular law of vector

asked Mar 19, 2022 in 11th Physics

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What will be the effect on horizontal range of a projectile when its initial velocity is doubled, keeping the angle of projection

asked Mar 19, 2022 in 11th Physics

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What will be the effect on maximum height of a projectile when its angle of projection is changed from `30^o` to `60^o`, keeping the same initial velocity of

asked Mar 19, 2022 in 11th Physics

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What is the angular velocity of the hour hand of a

asked Mar 19, 2022 in 11th Physics

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A body is moving on a curved path with a constant speed. What is the nature of its

asked Mar 19, 2022 in 11th Physics

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A stone tied at the end of string is whirled in a circle. If the string breaks, the stone flies away tangentially.

asked Mar 19, 2022 in 11th Physics

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What are the two angles of projection of a projectile projected with velocity 30m/s, so that the horizontal range is 45m. Take, `g =

asked Mar 19, 2022 in 11th Physics

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The blades of an aeroplane propeller are rotating at the rate of 600 revolutions per minute. Calculate its angular

asked Mar 19, 2022 in 11th Physics

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What is a uniform circular motion? Explain the terms time period, frequency and angular velocity. Establish relation between

asked Mar 19, 2022 in 11th Physics

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A body of mass m is thrown with velocity `'υ'` at angle of `30^o` to the horizontal and another body B of the same mass is thrown with velocity υ at an angle of `60^o` to the horizontal. Find the ratio of the horizontal range and maximum height of A and

asked Mar 19, 2022 in 11th Physics

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