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A particle is projected form ground with...

A particle is projected form ground with velocity u ar angle `theta` from horizontal. Match the following two columns.

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The correct Answer is:
`A rarr q,B rarr s, C rarr p, D rarr s`
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Knowledge Check

  • A particle is projected from the ground with velocity u at angle theta with horizontal. The horizontal rnage, maximum hieght and time of flight are R,H and T respectively. They are given by, R = (u^(2)sin 2 theta)/(g),H = (u^(2)sin^(2)theta)/(2g) and T = (2usin theta)/(g) Now keeping u as fixed, theta is varied from 30^(@) to 60^(@) . Then,

    A
    `R` will first increase then decrease, `H` will increase and `T` will decrease
    B
    `R` will first increase then decrease while `H` and `T` both will increase
    C
    `R` will decrease while `H` and `T` will increase
    D
    `R` will increase while `H` and `T` will increase

  • A particle is projected from the ground with velocity u at angle theta with horizontal.The horizontal range,maximum height and time of flight are R,H and T respectively.Now keeping u as fixed, theta is varied from 30^(@) to 60^(@) .Then

    A
    `R` will first increase.`H` will increase and `T` will decrease
    B
    `R` will first increase.than decrease while `H` and `T` both will increase
    C
    `R` will decrease while `H` and `T` will increase
    D
    `R` will increase while `H` and `T` will decrease

  • A particle is projected from ground with speed u and at an angle theta with horizontal. If at maximum height from ground, the speed of particle is 1//2 times of its initial velocity of projection, then find its maximum height attained.

    A
    `(u^(2))/(g)`
    B
    `(2u^(2))/(g)`
    C
    `(u^(2))/(2g)`
    D
    `(3u^(2))/(8g)`

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