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A horizontally force of 12 N pushes a 0.5kg book against a vertical wall. The book is initially at rest. If the coefficient of friction are μk=0.6 and μs=0.8 which of the following statements is true?
19
Oct
A horizontally force of 12 N pushes a 0.5kg book against a vertical wall. The book is initially at rest. If the coefficient of friction are μk=0.6 and μs=0.8 which of the following statements is true? A horizontally force of 12 N pushes a 0.5kg book against a vertical wall. The book is initially at [...]
At a given instant, A is moving with velocity of 5m/s upwards. What is velocity of B at that time
19
Oct
At a given instant, A is moving with velocity of 5m/s upwards. What is velocity of B at that time A is moving with velocity of 5m/s upwards. What is velocity of B at that time At a given instant October 19, 2020 Category: Arihant Physics by D.C Pandey , Chapter 5 - Laws of [...]
A triangular conducting loop having resistance R is placed outside an uniform inward magnetic field B. At t = 0 , the loop starts moving into the magnetic field with a uniform speed v. Find the ( a) magnitude of induced emf e at any time t. ( b) the magnitude and direction of induced current at any time t.
19
Oct
A triangular conducting loop having resistance R is placed outside an uniform inward magnetic field B. At t = 0 , the loop starts moving into the magnetic field with a uniform speed v. Find the ( a) magnitude of induced emf e at any time t. ( b) the magnitude and direction of induced [...]
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A triangular conducting loop having resistance R is placed outside an uniform inward magnetic field B. At t = 0 ,
the loop starts moving into the magnetic field with a uniform speed v. Find the ( a) magnitude of induced emf e at any time t. ( b) the magnitude and direction of induced current at any time t. ,
A rod of length l is moving with velocity v in magnetic field B as seen in figure. Find the emf induced in all three cases.
19
Oct
A rod of length l is moving with velocity v in magnetic field B as seen in figure. Find the emf induced in all three cases. A rod of length l is moving with velocity v in magnetic field B as seen in figure. Find the emf induced in all three cases. October 19, 2020 [...]
Figure shows a long current carrying wire and two rectangular loops moving with velocity v. Find the direction of current in each loop.
19
Oct
Figure shows a long current carrying wire and two rectangular loops moving with velocity v. Find the direction of current in each loop. Figure shows a long current carrying wire and two rectangular loops moving with velocity v. Find the direction of current in each loop. October 19, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
The coefficient of friction between 4 kg and 5 kg blocks is 0.2 and between 5 kg block and ground is 0.1 respectively Choose the correct statements.
19
Oct
The coefficient of friction between 4 kg and 5 kg blocks is 0.2 and between 5 kg block and ground is 0.1 respectively Choose the correct statements. The coefficient of friction between 4 kg and 5 kg blocks is 0.2 and between 5 kg block and ground is 0.1 respectively Choose the correct statements. October [...]
The upper portion of an inclined plane of inclination a is smooth and the lower portion is rough. A particle slide down from rest the top and just comes to rest at the foot . If the ratio of smooth length to rough length is m:n, find the coefficient of friction .
19
Oct
The upper portion of an inclined plane of inclination a is smooth and the lower portion is rough. A particle slide down from rest the top and just comes to rest at the foot . If the ratio of smooth length to rough length is m:n, find the coefficient of friction . A mass M [...]
A ladder of mass 10kg is held at rest against a smooth wall on a rough ground as shown in figure. The normal reaction between the wall and the ladder is
19
Oct
A ladder of mass 10kg is held at rest against a smooth wall on a rough ground as shown in figure. The normal reaction between the wall and the ladder is A ladder of mass 10kg is held at rest against a smooth wall on a rough ground as shown in figure. The normal reaction [...]
A 60 kg body is pushed with just enough force to start it moving across a floor and the same force continues to act afterwards. The coefficient of static friction and sliding friction are 0.5 and 0.4 respectively. The acceleration of the body is
19
Oct
A 60 kg body is pushed with just enough force to start it moving across a floor and the same force continues to act afterwards. The coefficient of static friction and sliding friction are 0.5 and 0.4 respectively. The acceleration of the body is A mass M is suspended by a rope from a rigid [...]
Two blocks m1 = 4kg and m2 = 2kg, connected by a weightless rod on a plane having inclination of 37^∘ as shown in figure. The coefficients of dynamic friction of m1 and m2 with the inclined plane are μ=0.25 each. Then the common acceleration of the two blocks and the tension in the rod are
19
Oct
Two blocks m1 = 4kg and m2 = 2kg, connected by a weightless rod on a plane having inclination of 37^∘ as shown in figure. The coefficients of dynamic friction of m1 and m2 with the inclined plane are μ=0.25 each. Then the common acceleration of the two blocks and the tension in the rod [...]
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A mass M is suspended by a rope from a rigid support at A as shown in figure. Another rope is tied at the end B ,
and it is pulled horizontally with a force. If the rope AB makes an angle θ with the vertical in equilibrium then the tension in the string AB is ,
Two blocks m1 = 4kg and m2 = 2kg ,