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Two paper screens A and B are separated by 150 m. A bullet pierces A and B. The hole is B is 15 cm below the hole in A. If the bullet is travelling horizontally at the time of hitting a
22
Sep
Two paper screens A and B are separated by 150 m. A bullet pierces A and B. The hole is B is 15 cm below the hole in A. If the bullet is travelling horizontally at the time of hitting a Two paper screens A and B are separated by 150 m. A bullet pierces [...]
A shell fired from the ground is just able to cross horizontally the top of a wall 90 m away and 45 m high. The direction of projection of the shell will be
22
Sep
A shell fired from the ground is just able to cross horizontally the top of a wall 90 m away and 45 m high. The direction of projection of the shell will be A shell fired from the ground is just able to cross horizontally the top of a wall 90 m away and 45 [...]
Two tall buildings are 30 m apart. The speed with which a ball must be thrown horizontally from a window 150 m above the ground in one building so that it enters a window 27.5 m from the ground
22
Sep
Two tall buildings are 30 m apart. The speed with which a ball must be thrown horizontally from a window 150 m above the ground in one building so that it enters a window 27.5 m from the ground Two tall buildings are 30 m apart. The speed with which a ball must be thrown [...]
A body has an initial velocity of 3 m/s and has an acceleration of 1 m/s^2 normal to the direction of the initial velocity. Then its velocity 4 s after the start is
22
Sep
A body has an initial velocity of 3 m/s and has an acceleration of 1 m/s^2 normal to the direction of the initial velocity. Then its velocity 4 s after the start is A body has an initial velocity of 3 m/s and has an acceleration of 1 m/s^2 normal to the direction of the [...]
A grasshopper can jump a maximum distance 1.6 m. It spends negligible time on the ground. How far can it go in 10 s?
22
Sep
A grasshopper can jump a maximum distance 1.6 m. It spends negligible time on the ground. How far can it go in 10 s? A grasshopper can jump a maximum distance 1.6 m. It spends negligible time on the ground. How far can it go in 10 s? September 22, 2020 Category: Uncategorised (JEE Advanced [...]
A particle of mass in is made to move with uniform speed v0 along the perimeter of a regular hexagon, inscribed in a circle of radius R. The magnitude of impulse applied at each corner of the hexagon is
22
Sep
A particle of mass in is made to move with uniform speed v0 along the perimeter of a regular hexagon, inscribed in a circle of radius R. The magnitude of impulse applied at each corner of the hexagon is A particle of mass in is made to move with uniform speed v0 along the perimeter [...]
A body is projected at an angle of 30 with the horizontal and with a speed of 30 m/s. What is the angle with the horizontal after 1.5 s?
22
Sep
A body is projected at an angle of 30 with the horizontal and with a speed of 30 m/s. What is the angle with the horizontal after 1.5 s? A body id projected at an angle of 30 with the horizontal and with a speed of 30 m/s. What is the angle with the horizontal [...]
A ball is thrown from a point with a speed v0 at an angle of projection theta. From the same point and at the same instant, a person starts running with a constant speed v0/2 to catch the ball.
22
Sep
A ball is thrown from a point with a speed v0 at an angle of projection theta. From the same point and at the same instant, a person starts running with a constant speed v0/2 to catch the ball. A ball is thrown from a point with a speed v0 at an angle of projection [...]
A force exerts an impulse Ion a particle changing its speed from initial velocity u to final velocity 2u. The applied force and the initial velocity are oppositely oriented along the same line. The work done by the force is
22
Sep
A force exerts an impulse Ion a particle changing its speed from initial velocity u to final velocity 2u. The applied force and the initial velocity are oppositely oriented along the same line. The work done by the force is A block of mass M is kept on a smooth horizontal surface. A jet of [...]
A projectile has a time of flight T and range R. If the time of flight is doubled, keeping the angle of projection same, what happens to the range?
22
Sep
A projectile has a time of flight T and range R. If the time of flight is doubled, keeping the angle of projection same, what happens to the range? A projectile has a time of flight T and range R. If the time of flight is doubled keeping the angle of projection same what happens [...]