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An antifreeze solution is made by mixing ethylene glycol(p=1116 kg/m3) with water. Suppose the specific gravityof such a solution is 1.0730. Assuming that the total volume of thesolution is the sum of its parts, determine the volume percentage of ethylene glycol in the solution.
If the coefficient of friction between the sled's runners and snow is 0.055 and the boy and sled together weigh 540 N, how far does the sled travel on the level surface before coming to rest
A roller coaster of mass 250kg has a speed of v=12m/s at point a, located at a height h=15m. The car can move without friction actiong between points a and b. How far does the car travel before coming to rest
Two objects with masses of 3.80 kg and 5.40 kg are connected by a light string that passes over a frictionless pulley, Determine the distance each object will move in the first second of motion if both objects start from rest
A plane sinusoidal electromagnetic wave has a magnetic field amplitude of 5.00 x 10^-5 T. What is the electric field amplitude of the wave
A 6.30kg block is pushed 9.45m up a smooth 37.0? inclined plane by a horizontal force of 80.0N . If the initial speed of the block is 3.35m/s up the plane. Calculate the initial kinetic energy of the block
Certain neutron stars (extremely dense stars) are believed to be rotating at about 1000 rev/s. If such a star has a radius of 11 km, what must be its minimum mass so that material on its surface remains in place during the rapid rotation?
A 230-µF capacitor and a 40m H inductor are in series with a 345 O resistor. What is the impedance at the resonant frequency
What is speed of the second train, which travels faster
The elementary particle called a muon is unstable and decays after 2.20 ?s, as observed in its rest frame, What lifetime do you observe for the muon
A long straight horizontal wire located on the equator carries a current. What direction should current be
A resistor (R = 900 ?), a capacitor (C = 0.25 µF), and an inductor (L = 4.0 H) are connected in series across a 240 Hz AC source for which ?Vmax = 100 V. estimate the phase angle between the current and voltage
Which of the following factors do not affect the pressure at the bottom of a cup? Explain answer a. Depth of the liquid b. Density of the liquid c. The value of the acceleration of gravity d. The shape of the cup
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