IIT JEE Mains and Advanced PYQ: Simple Harmonic Motion (SHM) #neet #jeemain #jeeadvance #physics#pyq

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A small block is connected to one end of a massless spring of unstretched length 4.9 m. The other end of the spring (see the figure) is fixed. The system lies on a horizontal frictionless surface. The block is stretched by 0.2 m and released from rest at 𝒕 = 0. It then executes simple harmonic motion with angular frequency 𝒘 = 𝝅/3 rad/s. Simultaneously at 𝒕 = 0, a small pebble is projected with speed 𝒗 from point 𝑷 at an angle of 45° as shown in the figure. Point 𝑷 is at a horizontal distance of 10 m from 𝑶. If the pebble hits the block at 𝒕 = 1s, the value of 𝒗 is

(2012)

IIT JEE Mains and Advanced PYQ: Simple Harmonic Motion (SHM) #neet #jeemain #jeeadvance #physics#pyq
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