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A ship leaves port at 1.00p.m and sails in the direction N35W degrees at the rate of 20mi/hr. Anothership leaves port at 1.30P.M and sails in the direction N55E degrees at a rate of 16mi/hr. What is the bearing to the nearest degree from the first ship to the second.
Three identical metal spheres are charged so that sphere A has a charge of 220 ?C, sphere B has a charge of -370 ?C, What is the final charge on each sphere
The second harmonic sinusoidal standing wave in a pipe with both ends open has a wavelength of 2m. The sound speed is 340 m/s. What is the frequency of the second harmonic
A solid block is suspended from a spring scale. If the reading on the scale when the block is completely immersed in water is 34.0 N, what are the block's volume and density
A playground merry-go-round of radiusR=2.00m has a moment of inertiaI=255kg·m2and is rotating at9.0rev/min about a frictionless vertical axle. What is the new angular speed of the merry-go-round
The concrete wall of a building is 0.136 m thick. The temperature inside the building is 22.3 °C, while the temperature outside is 0.0 °C. What is the emissivity of the wall
A 2.97-kg projectile is fired with an initial speed of 133 m/s at an angle of 28° with the horizontal. At the top of its trajectory, the projectile explodes into two fragments of masses 0.97 kg and 2 kg. At 3.87 s after the explosion, the 2-kg fragme..
A grinding wheel in the shape of a solid disk is 0.300 m in diameter and has a mass of 2.50 kg. How far would it have to drop in free fall to acquire the same amount of kinetic energy
You wind up and throw a 10 kg medicine ball horizontally with a speed of 1.3 m/s directly at your 24-kg little brother. find the common speed of the ball-brother composite
Ice at -10.0 °C and steam at 118 °C are brought together at atmospheric pressure in a perfectly insulated container. find the ratio of the mass of steam to the mass of ice
Two curves on a highway have the same radii. However, one is unbanked and the other is banked at an angle ?. Find the angle of the banked curve
two bodies with temperature-independent heat capacities chot and ccold are used as reservoirs with temperatures thot
What is a galaxy rotation curve and describe the rotational curve for the Milky Way? How does the shape of the curve indicate the presence of dark matter?
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