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the resonant frequency F of a closed air column is known to depend on the pressure and the density, p of the air and the length L of the air column. how are these quantities related?
An object has an applied force of 323 N upwards acting on it and accelerates downwards at 6.0 m/s2. What is the mass of this object?
A rocket launched vertically upward sort up 60kg of exhaust gasses every second with a velocity of 200ms 1. What is the upward force on the rocket. 2.if the rocket has the Mass of 500kg, what is the initial acceleration upward
Write an expression for Plank's law of radiation
Calculate the maximum monochromatic emissive power at 288k
How much heat is required to convert 1g of ice at 0 degree Celsius to steam at 100 degree Celsius (Heat of fusion of ice = 335 x 10^3 Jkg^-1, heat of vaporization of water = 2.26 x 10^6JKg^-1, specific heat capacity of water = 4200Jkg^-1K^-1)
An iron ball at 40 degree Celsius is dropped into a bar containing water at 40 degree Celsius. explain how the heat will flow
In a hydraulic press, a force of 20N is applied to a piston of area 0.2m. if the area of the other piston is 2m^2, what is the pressure transmitted through the fluid
A heavy flywheel of inertia 0.5kgm^2 is put on a horizontal axis of a radius 2cm which has negligible mass. if a force of 50N is applied tangentially to the axle, what is the torque that rotates this flywheel if friction is neglected. ii. angular acceleration and ii. the angular velocity of the flywheel after 15s from rest
A disc of moment of inertia of a body about s given axis 15kgm^2 rotates constantly about the centre with an angular velocity of 20rads^-1. find its rotational energy and its angular momentum about the centre
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