Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
The velocity-time graph of a particle moving in a straight line is shown in Fig. 8.227. The mass of the particle is 2 kg. Work done by all the forces acting on the particle in time interval between
03
Oct
The velocity-time graph of a particle moving in a straight line is shown in Fig. 8.227. The mass of the particle is 2 kg. Work done by all the forces acting on the particle in time interval between The velocity-time graph of a particle moving in a straight line is shown in Fig. 8.227. The [...]
Power supplied to a particle of mass 2 kg varies with time as P = 3t^2 /2 W. Here t is in second. If the velocity of particle at t = 0 is v = 0, the velocity of particle at time t = 2 s will be
03
Oct
Power supplied to a particle of mass 2 kg varies with time as P = 3t^2 /2 W. Here t is in second. If the velocity of particle at t = 0 is v = 0, the velocity of particle at time t = 2 s will be Power supplied to a particle of mass [...]
The speed v reached by a car of mass m in travelling a distance x, driven with constant power P, is given by
03
Oct
The speed v reached by a car of mass m in travelling a distance x, driven with constant power P, is given by driven with constant power P is given by The speed v reached by a car of mass m in travelling a distance x October 3, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
A heavy weight is suspended from a spring. A person raises the weight till the spring becomes slack. The work done by him is W. The energy stored in the stretched spring was E.
03
Oct
A heavy weight is suspended from a spring. A person raises the weight till the spring becomes slack. The work done by him is W. The energy stored in the stretched spring was E. A heavy weight is suspended from a spring. A person raises the weight till the spring becomes slack. The work done [...]
A bus can be stopped by applying a retarding force F when it is moving with speed v on a level road. The distance covered by it before coming to rest is s. If the load of the bus increased by 50 %
03
Oct
A bus can be stopped by applying a retarding force F when it is moving with speed v on a level road. The distance covered by it before coming to rest is s. If the load of the bus increased by 50 % A bus can be stopped by applying a retarding force F when [...]
An engine pumps water continuously through a hole. Speed with which water passes through the hole nozzle is v, and k is the mass per unit length of the water jet as it leaves the nozzle.
03
Oct
An engine pumps water continuously through a hole. Speed with which water passes through the hole nozzle is v, and k is the mass per unit length of the water jet as it leaves the nozzle. An engine pumps water continuously through a hole. Speed with which water passes through the hole nozzle is v [...]
A pump motor is used to deliver water at a certain rate from a given pipe. To obtain n times water from the same pipe in the same time, by what amount should the power of the motor be increased?
03
Oct
A pump motor is used to deliver water at a certain rate from a given pipe. To obtain n times water from the same pipe in the same time, by what amount should the power of the motor be increased? A pump motor is used to deliver water at a certain rate from a given [...]
An engine pumps up 100 kg of water through a height of 10 m in 5 s. Given that the efficiency of the engine is 60%, what is the power of the engine? Take g = 10 m/s^2.
03
Oct
An engine pumps up 100 kg of water through a height of 10 m in 5 s. Given that the efficiency of the engine is 60%, what is the power of the engine? Take g = 10 m/s^2. An engine pumps up 100 kg of water through a height of 10 m in 5 s. [...]
A man M1 of mass 80 kg runs up a staircase in 15 s. Another man M2 also of mass 80 kg runs up the same staircase in 20 s. The ratio of the powers developed by them will be
03
Oct
A man M1 of mass 80 kg runs up a staircase in 15 s. Another man M2 also of mass 80 kg runs up the same staircase in 20 s. The ratio of the powers developed by them will be A man M1 of mass 80 kg runs up a staircase in 15 s. Another [...]
Which of the following statements is correct ? a. Kinetic energy of a system can be changed without changing its momentum. b. kinetic energy of a system cannot be changed without
03
Oct
Which of the following statements is correct ? a. Kinetic energy of a system can be changed without changing its momentum. b. kinetic energy of a system cannot be changed without Which of the following statements is correct ? a. Kinetic energy of a system can be changed without changing its momentum. b. kinetic energy [...]