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A particle is found to be at rest when seen from a frame S1 and moving with a constant velocity when

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Figure shows the displacement of a particle going along the X-axis as a function of time. Find the

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In the figure the pulley P moves to the right with a constant speed u. The downward speed of A

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In the figure shown all the surface are smooth. All the blocks A, B and C are movable X-axis is hori

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A particle stays at rest as seen from a frame. We can conclude that

0:03:43

A trolley of mass 8 kg is standing on a frictionless surface inside which an object of mass 2 kg

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Two blocks of mass 10kg and 20kg are connected by a light spring as shown. A force of 200 N acts on

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In this system shown in figure m1 greater than m2. System is held at rest by thread BC. Just after

0:01:39

A long metallic bar is carrying heat from one of its ends to the other end under steady state.

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One end of a thermally insulated rod is kept at a temperature T1 and the other at T2. The rod is

0:03:10

Three rods of Copper, brass and steel are welded together to form Y shaped structure. Area of cross

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A lake surface is exposed to an atmosphere where the temperature is less 0. If the thickness of the

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A boiler is made of copper plate 2.4 mm thick with an inside coating of a 0.2 mm thick layer of tin.

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A wall consists of alternating blocks with length d and coefficient of thermal conductivity k1 and k

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Two metal cubes with 3 cm edges of copper and aluminium are arranged as shown in figure(assume no

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A wall has two layers A and B each made of different materials. Both the layers have the same thickn

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Two particles A and B are initially 40 m apart. A is behind B. Particle A is moving with uniform

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Raindrops are falling with velocity 10root2 m/s making an angle 45 with vertical. The drops appear

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Raindrops are falling vertically with a velocity 10m/s. To a cyclist moving on a straight road

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A car with vertical wind shield moves along in a rain at speed 40km/hr.

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A boat P and Q is moving at 40km/hr and another Q is moving at 20km/hr

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CE and DF are two walls of equal heights 20 meter(Relative Motion)

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29 July 2024

0:03:10

Upadesh Electrostats intro