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A wild horse starts from rest and runs in a straight line 29°north of west. After 39 s of running in this direction, the horse has a speed of 13 m/s.
(a) What is the magnitude of the horse's average acceleration?(b) Assuming that north and east are the positive directions, find the component of the horse's acceleration that points along the north-south line.(c) Find the component of the horse's acceleration that pointsalong the east-west line.
A cylindrical tank with a large diameter is filled with water to a depth D = 0.25 m. A hole of cross section A = 6.1 cm2 in the bottom of the tank allows water to drain out. What is the rate at which water flows out
A tube of radius 5 cm is connected to tube of radius 1 cm as shown above. Water is forced through the tube at a rate of 10 liters/min. What is the velocity of the water in the 5 cm radius tube
A solid cylinder with mass and radius, rotating with angular speed about an axis throughout its center, is set on the horizontal surface for which the kinetic friction coefficient is.
The filament of an incandescent light bulb typically has a temp of 2,850K. Find lamda max. Is this the wavelength within the visible band? Plot B lamda for this temp, using linear axes.
Calculate the coil's self-inductance. If the current decreases uniformly from 5.00 to 2.00 in 3.00, estimate the self-induced emf in the coil.
Two manned satellites approaching one another at a relative speed of 0.200 m/s intend to dock. Calculate the final velocity after docking
A heat engine, in each cycle, takes in 750 J of heat and exhausts 300 J of heat. what is the smallest possible high temperature for the engine cycle
A spring with a force constant of 585 N/m is compressed a distance of 40 cm. Find the resulting increase in the spring's mass in kg
Bob has just finished climbing a sheer cliff above a beach, and wants to figure out how high he climbed. How high up is Bob, if the ball started from exactly 2 m above the edge of the cliff
If the initial temperature of the horseshoe is 450 °C, and the initial temperature of the water is 45° C, what is the equilibrium temperature of the system? Presume no heat is exchanged with the surroundings.
Two cars are each traveling at 27.0 m/s, and they are approaching each other. The security alarm in one of the cars accidentally sounds. What frequency fo is heard by the driver of the other car
A feather is dropped on the moon from a height of 3 meters. Determine the time for the feather to fall to the surface of the moon
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