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Question1
A 1.00-kg beaker containing 2.09 kg of oil (density = 916 kg/m3) rests on a scale. A 1.99-kg block of iron is incomplete from a spring scale and is completely submerged in oil. Find out the equilibrium readings of both scales.
Question2
A car has a top speed of 69 m/s (about 154 mi/h) and has wheels of radius 29 cm. If car starts from rest and reaches its operating speed after 7.2 s, what is an angular acceleration of the wheels? Imagine car accelerates uniformly.
Question3
Consider a solid homogeneous object taller than its broad, with top and bottom parallel. Prove that the shape with the least moment of inertia about an axis through object is a cylinder with the axis throughout its axis of symmetry.
The anomalous Zeeman effect is studied in an advanced student laboratory. A spectral lamp is filled with the vapor of an unknown atom. What is the energy difference between the levels
Radioactive decay of granite and other rocks in the Earth's interior provides sufficient energy to keep the interior molten, heat lava, and supply warmth to natural hot springs.
Calculation of the ground state of one-dimensional harmonic oscillator using variational Monte Carlo method and How do you know the minimization is good enough?
A tennis player standing 10.7 m from the net hits the ball at 2.50° above the horizontal. how fast was the ball moving when it left the racquet
you and a friend are pulling on a box at 90 degree angles to each other. You are pulling with 80 pounds of force, Calculate the resultant force of pull and the angle of pull from the zero angle
The frequency at the other end of the broadcast band is 0.538MHz . What is the maximum capacitance of the capacitor if the oscillation frequency is adjustable over the range of the broadcast band
A gardener feels it is taking him excessively long to water a garden with a 0.952cm diameter hose. By what factor will his time be shortened, if he uses a 1.58 cm diameter hose.
Two small charges with a mass of 1.0 g each are connected by a 2.0 cm long insulating rod of negligible mass. Calculate the magnitude of the torque exerted on the rod by the electric field
A 3.00-kg object is fastened to a light spring, with the intervening cord passing over a pulley. The pulley is frictionless, and its inertia may be neglected.
You heat a 585 cm3 sample of a substance from 129°C to 283°C, Calculate the coefficient of volume expansion of this substance
An electric trimmer blade has rotational inertia 2.00×10?4kg?m2. How much work was done to accelerate the blade
An object is placed 24.5 cm to the left of a thin converging lens that has focal length +12.1 cm. What is the distance between the object and the image
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