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The surface of the Sun has a temperature of 5500 C and the temperature of deep space is 3.0 K. Find the entropy increase produced by the Sun in one day, given that it radiates heat at the rate of 3.80x10^26 W.
A small button placed on a horizontal rotating platform with diameter 0.326m will revolve with the platform when it is brought up to a rotational speed of 43.0rev/min, How far from the axis can the button be placed, without slipping,
A sample of an unknown material appears to weigh 280 N in air and 180 N when immersed in alcohol of specific gravity 0.700. What is the density of the material
A specimen of oil having an initial volume of 600 cm3 is subjected to a pressure increase of 3.6*10^6 Pa, what is the bulk modulus (in Pa) of the material
An object falls because of gravity at the rate of -920 cm/s2 (- sign is indicative of a downward direction) for 10.00 Seconds. If it starts from rest (vo = 0) and its position starts from do= 0.0, where is it 10.00 Seconds later.
An inductor has a 54.2-? reactance when connected to a 60.0-Hz source. What is the maximum current in the inductor
A 80 kg diver steps off a 13 m tower and drops from rest straight down into the water. If he comes to rest 4.1 m beneath the surface, find out the average resistance force exerted on him by the water.
A cylindrical container with a cross-sectional area of 66.2 holds a fluid of density 816 kg/m3, and bottom of the container the pressure is 118 kPa. What is the depth of fluid.
You have a 54.1 mF capacitor initially charged to a potential difference of 12.5V. You discharge the capacitor through a 4.21 ohm resisitor. What is the time constant
A block has an initial speed V(o) > 0 on a linear trajectory on the surface with friction coefficient u and air resistance (F = cv^2). Derive an equation that will represent the velocity (V) as a function of the position of the block (x). So V(x).
Astronomical observations of our Milky Way galaxy indicate that it has a mass of about 8 multiplied by 1011 solar masses. What should the orbital period of that star be
A student sits on a swivel seat. Initially the student is at rest, holding a spinning bicycle wheel that has an angular velocity of 13.9 rad/s. Find the student's final angular velocity
a 2 kg softball is pitched to you at 20 m/s. you hit the ball back along the same path and at the same speed. if the bat was in contact with the ball for .1 seconds, what is the magnitude of the average force the bat exerted
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