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Q1. A weather vane at first at rest has a moment of inertia of 0.111 kg • m2 about its axis of rotation. A 53.0 g piece of clay is thrown at the vane and sticks to it at a point 19.5 cm from the axis. The initial velocity of the clay is 20.0 m/s, directed vertical to the vane. Find out an angular velocity of the weather vane just after it is struck.
Q2. When solids are dissolved in a liquid solid take up the spaces between the liquid molecules (the macroscopic volume of the liquid basically stays the same). If I have 2 containers and I dissolve 50 grams of NaCl in one and 50 grams of LiCl in the other, that container would provide the aluminium block with a greater buoyancy force (assume both completely dissolve)?
What portion of jet power lost to producing sound Powdered steel is placed in a container
Light of wavelength 588 nm falls on a double slit. First-order bright bands appear 3.65 cm from the central bright band. The screen is 1.20 m from the slits. How far apart are the slits.
Question: Field and force with three charges? What is the electric field at the location of Q1, due to Q 2 ?
What is magnitude of the speed of the boat relative to a stationary shore observer. A person stands at a point that is 4 m from one of the speakers and 4.4 m from the other. Does the person hear the tone? Explain.
What is the wavelength of the light in the glass
A shell, fired from a cannon, has a muzzle speed (the speed as it leaves the barrel) of 800 ft/s. The barrel makes an angle of 45o with the horizontal and, for ease; the barrel opening is assumed to be at ground level.
What is a stopping distance
Find out the magnetic induction at a point
What is amplitude of the subsequent oscillations
Find the mans rate of sweat production
What would be the radius of curvature of the cornea
The effectual coefficient of kinetic friction is 0.37. Compute the work done by the man on the piano.
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