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A golf ball strikes a hard, smooth floor at an angle of 33.1 ° and, as the drawing shows, rebounds at the same angle. The mass of the ball is 0.0510 kg, and its speed is 44.8 m/s just before and after striking the floor. What is the magnitude of the impulse applied to the golf ball by the floor?
A ranger in a national park is driving at 24.0 mi/h when a deer jumps into the road 270 ft ahead of the vehicle. After a reaction time of t, ranger applies the brakes to produce an acceleration of a = -9.00 ft/s2. What is the greatest reaction tim..
Two sound sources radiating in phase at a frequency of 485 Hz interfere such that maxima are heard at angles of 0 and 22° from a line perpendicular to that joining the two sources. Find out the separation between the two sources.
Two loudspeakers placed 6.00 m apart are driven in phase by an audio oscillator having a frequency range from 1908 Hz to 2471 Hz, At what frequency of the oscillator does the sound reaching point P interfere constructively
In a European country a bathroom scale displays its reading in kilograms. When a man stands on this scale, it reads 86.1 kg. find the magnitude of the force he exerts on the chin-up bar
In coming to a stop, a car leaves skid marks 91m long on the highway. Assume a deceleration of 7.5m/s2, compute approximately the speed of the car just before braking.
Determine the location at which the tuning is formed and the vibrating frequency of a string to form a standing wave pattern.
A car of mass 1430 kg traveling at 28 m/s is at the foot of a hill that rises 105 m in 3 km. Find the average power delivered by the car's engine
as you get closer, you notice that it is GODZILLA!! and he sees you! and begins to come after you!! if you are now moving away at 15 m/s, what is the new frequency you detect from GODZILLA
A series ac circuit contains a 250? resistor, a 20.0mH inductor, a 3.50?F capacitor, Find the average power delivered to the entire circuit
An object weighing 338 N in air is immersed in water after being tied to a string connected to a balance. The scale now reads 302 N. Immersed in oil; object weighs 313 N. Calculate the density of the object.
A long solenoid has a diameter of 12.0 cm. When a current i exists in its windings, Calculate the magnitude of the induced electric field at the following distances from the axis of the solenoid
As you eat your way through a bag of chocolate chip cookies, you observe that each cookie is a circular disk with a diameter of 8.50 ± 0.02 \rm cm, Find the ratio of the diameter to the thickness
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