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A launch travels across a river from a point A to a point B of the opposite bank along the line AB forming angle alpha with the bank. The flag on the mast of the launch makes an angle beta with its direction of motion. Determine the speed
22
Sep
A launch travels across a river from a point A to a point B of the opposite bank along the line AB forming angle alpha with the bank. The flag on the mast of the launch makes an angle beta with its direction of motion. Determine the speed A stone is projected from a point [...]
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A stone is projected from a point on the ground in such a direction so as to hit a bird on the top of a telegraph post of height h ,
and then attain a height 2 h above the ground. If ,
at the instant of projection ,
find the ratio of the horizontal velocities of the bird and the stone if the stone still hits the bird. ,
the bird were to fly away horizontal with a uniform speed ,
Two identical satellites A and B revolve around the earth in circular orbits at distance R and 3R from the surface of the earth. The ratio of the linear momenta of A and B is (R= radius of the earth)
22
Sep
Two identical satellites A and B revolve around the earth in circular orbits at distance R and 3R from the surface of the earth. The ratio of the linear momenta of A and B is (R= radius of the earth) Two identical satellites A and B revolve around the earth in circular orbits at distance [...]
A 3 kg steel ball strikes a wall with a speed of 10.0 m/s at an angle of 60.0 ∘ with the surfaces of the wall. The ball bounces off with the same speed and same angle. If the ball was in contact with the wall for 0.2 s, find the average force exerted by the wall on the ball.
22
Sep
A 3 kg steel ball strikes a wall with a speed of 10.0 m/s at an angle of 60.0 ∘ with the surfaces of the wall. The ball bounces off with the same speed and same angle. If the ball was in contact with the wall for 0.2 s, find the average force exerted by [...]
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find the velocities of the particles m1 and m2 just after the string is taut. ,
the particle m1 moves with velocity v0 when the string is not taut. Neglecting fricting in all contacting surface ,
Two particles of masses m1 and m2 are connected by a light and inextensible string which passes over a fixed pulley. Initially ,
Hailstones falling vertically with a speed of 10 m/s, hit the wind screen (wind screen makes an angle 30 with the horizontal) of a moving car and rebound elastically. Find the velocity of the car
22
Sep
Hailstones falling vertically with a speed of 10 m/s, hit the wind screen (wind screen makes an angle 30 with the horizontal) of a moving car and rebound elastically. Find the velocity of the car Hailstones falling vertically with a speed of 10 m/s hit the wind screen (wind screen makes an angle 30 with [...]
Two satellite of mass m and 9m are orbiting a planet in a circular orbits of radius R. Their periods of revolution will be in the ratio of
22
Sep
Two satellite of mass m and 9m are orbiting a planet in a circular orbits of radius R. Their periods of revolution will be in the ratio of Two satellite of mass m and 9m are orbiting a planet in a circular orbits of radius R. Their periods of revolution will be in the ratio [...]
A projectile is fired with velocity v0 from a gun adjusted for a maximum range. It passes through two points P and Q whose heights above the horizontal are h each. Show that the separation of the two points is v0 /g
22
Sep
A projectile is fired with velocity v0 from a gun adjusted for a maximum range. It passes through two points P and Q whose heights above the horizontal are h each. Show that the separation of the two points is v0 /g A stone is projected from a point on the ground in such a [...]
Tags:
A stone is projected from a point on the ground in such a direction so as to hit a bird on the top of a telegraph post of height h ,
and then attain a height 2 h above the ground. If ,
at the instant of projection ,
find the ratio of the horizontal velocities of the bird and the stone if the stone still hits the bird. ,
the bird were to fly away horizontal with a uniform speed ,
Which one of the following is true in the case of inelastic collision ?
22
Sep
Which one of the following is true in the case of inelastic collision ? Which one of the following is true in the case of inelastic collision ? September 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Assuming density d of a planet to be uniform, we can say that the time period of its artificial satellite is proportional to
22
Sep
Assuming density d of a planet to be uniform, we can say that the time period of its artificial satellite is proportional to Assuming density d of a planet to be uniform we can say that the time period of its artificial satellite is proportional to September 22, 2020 Category: Chapter 10 - Gravitation , [...]
If the escape velocity of a planet is 3 times that of the Earth and its radius is 4 times that of the Earth, then the mass of the planet is ( mass of the earth = 6 x 10^24 kg )
22
Sep
If the escape velocity of a planet is 3 times that of the Earth and its radius is 4 times that of the Earth, then the mass of the planet is ( mass of the earth = 6 x 10^24 kg ) If the escape velocity of a planet is 3 times that of the [...]
A moving bullet hits a solid target resting on a frictionless surface and gets embedded in it. what is conserved in this process ?
22
Sep
A moving bullet hits a solid target resting on a frictionless surface and gets embedded in it. what is conserved in this process ? A moving bullet hits a solid target resting on a frictionless surface and gets embedded in it. what is conserved in this process ? September 22, 2020 Category: Uncategorised (JEE Advanced [...]