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A converging lens with focal length of +20cm is located 10 cm to the left of a diverging lens having a focal length of -15cm. If a real object is located 40 cm to the left of the first lens, locate and describe completely the image formed. A ray diagram would be greatly appreciated.
A race car is one lap behind the lead car when the lead car has 43 laps to go in a race. If the speed of the lead car is 54.2 m/s, what should be the average speed of the second car to catch the lead car just before the end of the race (i.e. right..
A certain organ pipe, open at both ends, produces a fundamental frequency of 252Hz in air. what fundamental frequency f He will it produce
A person with perfect pitch sits on a bus bench listening to the 438 Hz horn of an approaching car. If the person detects a frequency of 475 Hz, how fast is the car moving
An empty hollow metal sphere has a potential of +170 V with respect to ground (defined to be at V = 0) and has a charge of 1.1 10-9 C
A good baseball pitcher can throw a baseball toward home plate at 91 miles per hour with a spin of 1789 revolutions per minute. How many revolutions does baseball make on its way to home plate? For simplicity, assume that the 60.0 ft path is a straig..
300. V are applied to a motor with a windings resistance of 65.0 ohms. At the maximum motor speed the back emf is 155. V. Find the current in windings as the motor starts
For someone who chooses y=0 to be 5 meteres above the ground and up as positive, what will he get for the potential energy
A 0.156kg toy is undergoing SHM on the end of a horizontal spring with force constant 306 N/m. Find the maximum speed attained by the object during its motion
Estimate the ball's rise in temperature.
The athlete shown in the figure rotates a 1.00 kg discus along a circular path of radius 1.05 m. Determine the magnitude of the maximum radial acceleration of the discus
A damped mass-spring system oscillates at 265 -Hz. The time constant of the system is 2.0 s. At t = 0, the amplitude of oscillation is 6.1 cm and the energy of the oscillating system is then 61.00 J.
Adjacent antinodes of a standing wave on a string are 15.0 cm apart. Find the maximum and minimum transverse speeds of a point at an antinode
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