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A 4.13 kg silver ingot is taken from a furnace, where itstemperature is 751 degrees C, and placed on a very large block ofice at 0.00 degrees C.
Assuming that all the heat given up by thesilver is used to melt the ice and that not all the ice melts, how much ice is melted?
how long does it take the engine to lift the crate a vertical distance of 19.8 m? Friction in the system is negligible.
A warehouse workerpushes a crate along the floor by a force of 29.0 N that points downward at an angle of 50.0^\circ below the horizontal. Find the vertical component of theforce
A roller coaster at an amusement park has a dip that bottoms out ina vertical circle of radius r. A passenger feels the seat of thecar pushing upward on her with a force equal to twice her weight asshe goes through the dip. If r = 20.0 m, how fast..
Light consisting of two wavelengths 500 and 520nm, is incident normally on a plane diffraction grating with d=1?. Find the linear separation of the two first-order principal maxima
Two stars in a binary system orbit around their center of mass. The centers of the two stars are 7.90x 1011 m apart. The larger of the twostars has a mass of 3.40 x1030 kg, and its center is 2.30 x 1011 m from the system's center of mass.
Suppose a planet is discovered orbiting a distant star with 11 times the mass of the Earth and 1/11 its radius. How does the escape speed on this planet compare with that of the Earth
A track has a height that is a function of horizontal position x, given by h(x) = x^3 + 2x^2 ? 14x + 16. What kind of equilibrium exists at each of these positions
Transporting Alpha Particles(Helium Nuclei). Design a part ofa transport system which will deflect the beam of alphaparticles (m=6.64 x 10-27kg, q= 3.2 x 10-19C) through an angle of 90 degrees by using a magnetic field.
In a pole sliding game among friends, a 90kg man makes a total vertical drop of 7.0m while gripping the pole which exerts and upward force (call it Fp) on him. How long did the second person's slide take
The velocity of a 621-kg auto is changed from 10.0 m/s to 44.0 m/s in 70.2 s by an external, constant force. What is the resulting change in momentum of the car
An electron is 2cm away from a line whose charge density is 3pC/cm. It is moving away perpendicularly at 1000 km/s. How far will it travel before reversing direction
A baseball pitcher throws a fastball at a speed of 35m/s. The acceleration occurs as the pitcher holds the ball in his hand and moves it throughout an almost straight-line distance of 3.7 m. estimate the acceleration, assuming that it is constant ..
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