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Work Power and Energy · 2006 · Shift 0

4 Physics questions from this JEE Main paper

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JEE Main
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2006 · Shift 0
Physics
Work Power and Energy

Work Power and Energy · 2006 · Shift 0

4 Physics questions from this JEE Main paper

Q123.A mass of $M k g$ is suspended by a weightless string. The horizontal force that is required to displace it until the string makes an angle of $4 5^{\circ}$ with the initial vertical direction is
Physics · Work Power and Energy · MCQ
Q124.A ball of mass $0.2 k g$ is thrown vertically upwards by applying a force by hand. If the hand moves $0.2 m$ while applying the force and the ball goes upto $2 m$ height further, find the magnitude of the force. (consider $g = 10 m / s^{2}$ ).
Physics · Work Power and Energy · MCQ
Q127.A particle of mass $100 g$ is thrown vertically upwards with a speed of $5 m / s$ . The work done by the force of gravity during the time the particle goes up is
Physics · Work Power and Energy · MCQ
Q128.The potential energy of a $1 k g$ particle free to move along the $x$ -axis is given by $V (x) = (\frac{x ^{4}}{4} - \frac{x ^{2}}{2}) J$ . The total mechanical energy of the particle is $2 J .$ Then, the maximum…
Physics · Work Power and Energy · MCQ