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A moving body of mass m and velocity 3 km/h collides with a rest body of mass 2m and stick to it. Now the coalesced mass starts to move with a velocity A moving body of mass m and velocity 3 km/h collides with a rest body of mass 2m and stick to it. Now [...]

A wave pulse on a string has the dimension shown in figure. The waves speed is v=1cm/s. If point O is a free end. The shape of wave at time t=3s is than: A wave pulse on a string has the dimension shown in figure. The waves speed is v=1cm/s. If point O is a [...]

A metal ball of mass 2 kg moving with a velocity of 36 km/h has a head on collision with a stationary ball of mass 3 kg. If after the collision, the two balls move together, the loss in kinetic energy due to collision is. A metal ball of mass 2 kg moving with a [...]

A projectile is required to hit a target whose coordinates relative horizontal and vertical axes through the point of projection are (α,β). If the gun velocity is 2gα ​ , it is impossible to hit the target if A projectile is required to hit a target whose coordinates relative horizontal and vertical axes through the [...]

The displacement y of a particle executing periodic motion is given by y=4cos 2 (t)sin(1000t). this expression may be considered to be a result of the superposition of waves The displacement y of a particle executing periodic motion is given by y=4cos 2 (t)sin(1000t). this expression may be considered to be a result of the [...]

Consider a two particle system with particles having masses m1​ and m2​. If the first particle is pushed towards the centre of mass through a distance d, by what distance should be second particle be moved, so as to keep the centre of mass at the same position? by what distance should be second particle [...]

Particle projected at angle α from foot of plane inclined to horizontal at angle β. Show that it will strike plane at right angles if cotβ=2∗tan(α−β) Particle projected at angle α from foot of plane inclined to horizontal at angle β. Show that it will strike plane at right angles if cotβ=2∗tan(α−β) August 24, 2020 [...]

Shown in the figure is an R-L circuit. Just after the key (K) is closed Shown in the figure is an R-L circuit. Just after the key (K) is closed August 24, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

A particle is projected with a velocity u from a point at ground level. Show that it cannot clear a wall of height h at a distance x from the point of projection if u2<g(h+h2+x2−−−−−−√). A particle is projected with a velocity u from a point at ground level. Show that it cannot clear a [...]

A transverse wave is described by the equation y=y 0 ​ sin2π(ft− t x ​ ). The maximum velocity of the particle is equal to four times the wave velocity, if A transverse wave is described by the equation y=y 0 ​ sin2π(ft− t x ​ ). The maximum velocity of the particle is equal [...]