Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A particle travels with constant speed along a circle of radius 3m and completes one revolution in 20s. Starting with the lowest point as origin, find (a) the magnitude and direction of the displacement vectors 5 s, 7.5s and 10 s later , (b) the magnitude and direction of the displacement in the 5 s interval from the fifth to the lenth second, (c) average velocity in this interval, (d) the instantaneous velocity at the begining and at the end of the interval.
24
Aug
A particle travels with constant speed along a circle of radius 3m and completes one revolution in 20s. Starting with the lowest point as origin, find (a) the magnitude and direction of the displacement vectors 5 s, 7.5s and 10 s later , (b) the magnitude and direction of the displacement in the 5 s [...]
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(b) the magnitude and direction of the displacement in the 5 s interval from the fifth to the lenth second ,
(c) average velocity in this interval ,
(d) the instantaneous velocity at the begining and at the end of the interval. ,
7.5s and 10 s later ,
A particle travels with constant speed along a circle of radius 3m and completes one revolution in 20s. Starting with the lowest point as origin ,
find (a) the magnitude and direction of the displacement vectors 5 s ,
The driver of a train moving at a speed v1 sights another train at a disane d, ahead of him moving in the same direction with a shower speed v2. He applies the brakes and gives a constant teradation a to his train. Show that here will be no collision if d>(v1−v2)2/2a.
24
Aug
The driver of a train moving at a speed v1 sights another train at a disane d, ahead of him moving in the same direction with a shower speed v2. He applies the brakes and gives a constant teradation a to his train. Show that here will be no collision if d>(v1−v2)2/2a. ahead of him [...]
A point traversed half the distance with a velocity v0. The remaining part of the distance was covered with velocity v1 for half the time, and with velocity v2 for the other half of the time. Find the mean velocity of the point averaged over the whole time of motion.
24
Aug
A point traversed half the distance with a velocity v0. The remaining part of the distance was covered with velocity v1 for half the time, and with velocity v2 for the other half of the time. Find the mean velocity of the point averaged over the whole time of motion. A point traversed half the [...]
A point traverses half a circle of radius R during the interval τ.Calculate the following quantities averaged over that time (a)the mean velocity that is speed ltvgt , (b)the modulus of the mean vector lt v gt , ( c)the modulus of the average acceleration a if its tangential acceleration is constant.
24
Aug
A point traverses half a circle of radius R during the interval τ.Calculate the following quantities averaged over that time (a)the mean velocity that is speed ltvgt , (b)the modulus of the mean vector lt v gt , ( c)the modulus of the average acceleration a if its tangential acceleration is constant. ( c)the modulus [...]
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( c)the modulus of the average acceleration a if its tangential acceleration is constant. ,
(b)the modulus of the mean vector lt v gt ,
A point traverses half a circle of radius R during the interval τ.Calculate the following quantities averaged over that time (a)the mean velocity that is speed ltvgt ,
If body travels half of its path in the last second of its fall from rest, find the time and height of its fall.
24
Aug
If body travels half of its path in the last second of its fall from rest, find the time and height of its fall. find the time and height of its fall. If body travels half of its path in the last second of its fall from rest August 24, 2020 Category: Uncategorised (JEE Advanced [...]
A piece of stone is allowed to fall from a balloon floating in air. It goes down past a tower 30 m in height in the last quarter of the last second of its flight.Find the height of the stone at the instant when it was dropped and its velocity as it reaches the ground. (g=9.8ms−2)
24
Aug
A piece of stone is allowed to fall from a balloon floating in air. It goes down past a tower 30 m in height in the last quarter of the last second of its flight.Find the height of the stone at the instant when it was dropped and its velocity as it reaches the ground. [...]
A piece of stone is allowed to fall from a balloon floating in air. It goes down past a tower 30 m in height in the last quarter of the last second of its flight.Find the height of the stone at the instant when it was dropped and its velocity as it reaches the ground. (g=9.8ms−2)
24
Aug
A piece of stone is allowed to fall from a balloon floating in air. It goes down past a tower 30 m in height in the last quarter of the last second of its flight.Find the height of the stone at the instant when it was dropped and its velocity as it reaches the ground. [...]
Two cars are moving in the same direction with the same speed with separation 40 m.In order to overtake, the driver of the second car accelerates and he overtakes the first car in 5 seconds.What is the acceleration produced by the accelerator ?
24
Aug
Two cars are moving in the same direction with the same speed with separation 40 m.In order to overtake, the driver of the second car accelerates and he overtakes the first car in 5 seconds.What is the acceleration produced by the accelerator ? the driver of the second car accelerates and he overtakes the first [...]
Two cars are moving in the same direction with the same speed with separation 40 m.In order to overtake, the driver of the second car accelerates and he overtakes the first car in 5 seconds.What is the acceleration produced by the accelerator ?
24
Aug
Two cars are moving in the same direction with the same speed with separation 40 m.In order to overtake, the driver of the second car accelerates and he overtakes the first car in 5 seconds.What is the acceleration produced by the accelerator ? the driver of the second car accelerates and he overtakes the first [...]
If the same plot is of displacement (x) versus time (t), indicate whether the body is at rest or in motion and whether it has uniform velocity or variable velocity in the rigions OA, AB, BC and CD.Find the distance described in 8 s.What is the displacement of the body in 8 s
24
Aug
If the same plot is of displacement (x) versus time (t), indicate whether the body is at rest or in motion and whether it has uniform velocity or variable velocity in the rigions OA, AB, BC and CD.Find the distance described in 8 s.What is the displacement of the body in 8 s AB BC [...]