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The coordinates of a particle moving in x-y plane at any instant of time t are x=4t^2; y=3t^2. The speed of the particle at that instant is : The coordinates of a particle moving in x-y plane at any instant of time t are x=4t^2; y=3t^2. The speed of the particle at that instant is [...]

If x = 5t + 3t^2 and y = 4t are the x and y co-ordinates of a particle at any time t second where x and y are in metre, then the acceleration of the particle If x = 5t + 3t^2 and y = 4t are the x and y co-ordinates of a [...]

Three particles p, q and r are at rest at the vertices of an equilateral triangle of side s. Each of the particle starts moving with constant speed v m s ^-1. P is moving along PQ, Q along QR and R along RP. The particle will meet each other at time t given by [...]

A bird files at an angle of 60 degree to the horizontal. Its horizontal component of velocity is 10 m/s. Find the vertical component of velocity in m/s A bird files at an angle of 60 degree to the horizontal. Its horizontal component of velocity is 10 m/s. Find the vertical component of velocity in [...]

Discuss the similarities between the energy stored in the electric field of a charged capacitor and the energy stored in the magnetic field of a current carrying coil. Discuss the similarities between the energy stored in the electric field of a charged capacitor and the energy stored in the magnetic field of a current carrying [...]

What is the relationship between time of flight T and horizontal range R ? ( where theta is angle of projection with the horizontal) What is the relationship between time of flight T and horizontal range R ? ( where theta is angle of projection with the horizontal) September 10, 2020 Category: Chapter 4 - [...]

In the circuit shown, switch S is closed at time t = 0. The charge which passes through the battery in one time constant is In the circuit shown switch S is closed at time t = 0. The charge which passes through the battery in one time constant is September 10, 2020 Category: Uncategorised [...]

A body is projected horizontally with a velocity of 4 root 2 m/sec. The velocity of the body after 0.7 seconds will be nearly: (Take g=10m/sec^2) A body is projected horizontally with a velocity of 4 root 2 m/sec. The velocity of the body after 0.7 seconds will be nearly: (Take g=10m/sec^2) September 10, 2020 [...]

After the switch is closed in the LC circuit shown in the figure, the charge on the capacitor is some times zero, but at such instants the current in the circuit is not zero. How is the behavior possible? After the switch is closed in the LC circuit shown in the figure but at such [...]

A ball is projected horizontally with a velocity of 5m/s from the top of a building 19.6m high. How long will the ball take to hit the ground ? A ball is projected horizontally with a velocity of 5m/s from the top of a building 19.6m high. How long will the ball take to hit [...]