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A particle projected with velocity u strikes at right angles a plane through the point of projection inclined at an angle beta to the horizon.
24
Aug
A particle projected with velocity u strikes at right angles a plane through the point of projection inclined at an angle beta to the horizon. A particle projected with velocity u strikes at right angles a plane through the point of projection inclined at an angle beta to the horizon. August 24, 2020 Category: Uncategorised [...]
When two simple harmonic motions of same periods, same amplitude, having phase difference of 3π/2, and at right angles to each other are super imposed, the resultant wave from is a
24
Aug
When two simple harmonic motions of same periods, same amplitude, having phase difference of 3π/2, and at right angles to each other are super imposed, the resultant wave from is a and at right angles to each other are super imposed having phase difference of 3π/2 same amplitude the resultant wave from is a When [...]
A policeman on duty detects a drop of 10% in the pitch of the horn of a moving car as it crosses him. If the velocity of sound is 330m/s, the speed of the car will be
24
Aug
A policeman on duty detects a drop of 10% in the pitch of the horn of a moving car as it crosses him. If the velocity of sound is 330m/s, the speed of the car will be A policeman on duty detects a drop of 10% in the pitch of the horn of a moving [...]
An air column in a pipe, which is closed at one end, is in resonance with a vibrating tuning fork of frequency 264 Hz. If v = 330 m/s, the length of the column in cm is (are) :
24
Aug
An air column in a pipe, which is closed at one end, is in resonance with a vibrating tuning fork of frequency 264 Hz. If v = 330 m/s, the length of the column in cm is (are) : An air column in a pipe is in resonance with a vibrating tuning fork of frequency [...]
A position dependent force F= 7 − 2x + 3x^2 newton (where x is in meter) on a small body of mass 2 Kg & displace it from x = 0 to x = 5 m. Work done in joule is
24
Aug
A position dependent force F= 7 − 2x + 3x^2 newton (where x is in meter) on a small body of mass 2 Kg & displace it from x = 0 to x = 5 m. Work done in joule is A position dependent force F= 7 − 2x + 3x^2 newton (where x is [...]
An airplane is moving with velocity v0 horizontally at a height h. If a projectile is fired at the instant when the plane is overhead, What must be the angle of projection amd minimum velocity of projection in order that it may hit the airplane ?
24
Aug
An airplane is moving with velocity v0 horizontally at a height h. If a projectile is fired at the instant when the plane is overhead, What must be the angle of projection amd minimum velocity of projection in order that it may hit the airplane ? An airplane is moving with velocity v0 horizontally at [...]
A force acts on a 3 g particle in such a way that the position of the particle as a function of time is given by x = 3t − 4^t2 + t^3, where x is in meters and t is in seconds. The work done during the first 4 second is :
24
Aug
A force acts on a 3 g particle in such a way that the position of the particle as a function of time is given by x = 3t − 4^t2 + t^3, where x is in meters and t is in seconds. The work done during the first 4 second is : A force [...]
In the interference of waves from two sources of intensities I o and 4I o , the intensity at a point where the phase difference is π, is?
24
Aug
In the interference of waves from two sources of intensities I o and 4I o , the intensity at a point where the phase difference is π, is? In the interference of waves from two sources of intensities I o and 4I o is the intensity at a point where the [...]
A cannon fires its projectile with such an initial velocity and angle of projection that its range is R and the maximum height to which the projectile rises is H.Find the maximum range that can be obtained with the same initial velocity.
24
Aug
A cannon fires its projectile with such an initial velocity and angle of projection that its range is R and the maximum height to which the projectile rises is H.Find the maximum range that can be obtained with the same initial velocity. A particle is projected with velocity 2 gh so that it just [...]
A bullet of mass 10 g leaves a rifle at an initial velocity of 1000 m/s and strikes the earth at the same level with a velocity of 500 m/s. the work done in joules overcoming the resistance of air will be
24
Aug
A bullet of mass 10 g leaves a rifle at an initial velocity of 1000 m/s and strikes the earth at the same level with a velocity of 500 m/s. the work done in joules overcoming the resistance of air will be Two masses of 1 g and 9 g are moving with equal kinetic [...]