Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A small block of mass 100 g is pressed against a horizontal spring, fixed at one end, to compress the spring through 5.0 cm (Fig. 8.102). The spring constant is 100 N/m. When released, the block moves
02
Oct
A small block of mass 100 g is pressed against a horizontal spring, fixed at one end, to compress the spring through 5.0 cm (Fig. 8.102). The spring constant is 100 N/m. When released, the block moves A small block of mass 100 g is pressed against a horizontal spring fixed at one end the [...]
An object is lifted from the ground and is placed on an elevated platform. A says that the change in potential energy of the object is 10 J. B says that the change in potential energy of the object
02
Oct
An object is lifted from the ground and is placed on an elevated platform. A says that the change in potential energy of the object is 10 J. B says that the change in potential energy of the object An object is lifted from the ground and is placed on an elevated platform. A says [...]
Consider the two cases: a. A says that the potential energy of a book place on a shelf is 10 J. b. B says that the potential energy of the same book is – 10 J. Which one of them is wrong? Justify.
02
Oct
Consider the two cases: a. A says that the potential energy of a book place on a shelf is 10 J. b. B says that the potential energy of the same book is – 10 J. Which one of them is wrong? Justify. Consider the two cases: a. A says that the potential energy of [...]
An elevator is moving up with a constant velocity. Two different masses are attached to two different springs of same spring constant. Say you do two operations expanding the spring or
02
Oct
An elevator is moving up with a constant velocity. Two different masses are attached to two different springs of same spring constant. Say you do two operations expanding the spring or An elevator is moving up with a constant velocity. Two different masses are attached to two different springs of same spring constant. Say you [...]
A boy throws a ball with initial velocity u at an angle of projection theta from a tower of height H. Neglecting the air resistance , find a. How high above the building the ball rises
02
Oct
A boy throws a ball with initial velocity u at an angle of projection theta from a tower of height H. Neglecting the air resistance , find a. How high above the building the ball rises A boy throws a ball with initial velocity u at an angle of projection theta from a tower of [...]
Fig. 8.100 shows a light, inextensible string attached to a cart, which can slide along a frictionless horizontal rail aligned along the x axis. The left end of the string is pulled over a pulley of negligible
02
Oct
Fig. 8.100 shows a light, inextensible string attached to a cart, which can slide along a frictionless horizontal rail aligned along the x axis. The left end of the string is pulled over a pulley of negligible Fig. 8.100 shows a light inextensible string attached to a cart which can slide along a frictionless horizontal [...]
A uniform board of length L is sliding along a smooth (frictionless) horizontal plane as in Fig. 8.89. The board then slides across the boundary with a rough horizontal surface. The coefficient of kinetic
02
Oct
A uniform board of length L is sliding along a smooth (frictionless) horizontal plane as in Fig. 8.89. The board then slides across the boundary with a rough horizontal surface. The coefficient of kinetic A ball of mass m is thrown in air with speed v1 from a height h1 and it is at a [...]
A block of mass m held touching the upper end of a light spring of force constant K as shown in Fig. 8.88. Find the maximum potential energy stored in the spring if the block is released suddenly
02
Oct
A block of mass m held touching the upper end of a light spring of force constant K as shown in Fig. 8.88. Find the maximum potential energy stored in the spring if the block is released suddenly A block of mass m held touching the upper end of a light spring of force constant [...]
Find the maximum energy stored in the spring shown in Fig. 8.87, for which the block remains stationary on the rough horizontal surface.
02
Oct
Find the maximum energy stored in the spring shown in Fig. 8.87, for which the block remains stationary on the rough horizontal surface. Find the maximum energy stored in the spring shown in Fig. 8.87 for which the block remains stationary on the rough horizontal surface. October 2, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
A spring block system is placed on a rough horizontal surface having coefficient of friction mu. The spring is given initial elongation 3 mu m g/k (where m = mass of block and k = spring constant)
02
Oct
A spring block system is placed on a rough horizontal surface having coefficient of friction mu. The spring is given initial elongation 3 mu m g/k (where m = mass of block and k = spring constant) A spring block system is placed on a rough horizontal surface having coefficient of friction mu. The spring [...]