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A boy whirls a stone in a horizontal circle 1.6m above the ground,by means of a string 1.4m long. The angle between the stringand horizontal plane is 10 degrees. The string breaks, the stone flies horizontally, and strikes the ground 6m away. What was the centripetal acceleration of the stone while incircular motion.
A ray of light is incident on the surface of a block of clear ice at an angle of 35.0 degrees with the normal. Find the angle between the reflected and refracted angle
A 540 g ball swings in a vertical circle at the end of a 1.2 m-long string. When the ball is at the bottom of the circle, What is the speed of the ball at that point
A superhero flies 147 m from the top of a tall building at the angle of 33 degrees below the horizontal. What is the vertical component of the superhero's displacement.
A gas bubble with an initial volume of 7.00 milliliters rises from a depth of meters. If the temperature does not change, what is its volume, to nearest ml, when it reaches the surface (density of water=1000 kg/m^3)?
An investigator finds a fiber at a crime scene that he wishes to use as evidence against a suspect. What is the diameter of the fiber
At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. What is the radius of a chamber
Airplane emf A Boeing KC-135A airplane has a wingspan of 39.9 m and flies at constant altitude in a northerly direction with a speed of 840 km/hr. what is the induced emf between the wing tips
Observer S detects two flashes of light. A big flash occurs at x1 = 1242 m and, 6.06 ?s later, a small flash occurs at x2 = 802 m. what is the time interval between the flashes
A massless spring hangs from the ceiling. How much does its potential energy increase, if a mass is attached to it
The four tires of an automobile are inflated to a gauge pressure of 1.9 multiply.gif 105 Pa. Determine the weight of the automobile
A mass is at rest on a spring in a liquid with density = 1500kg/m^3. The spring has a force constant of 200N/m, determine the density of the mass
An airplane is flying in a jet stream that is blowing at 45.0 m/s in a direction 15 degrees south of east. What is the airplane's speed relative to the air mass
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