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A sinusoidal wave of wavelength 1.500m and amplitude 0.2m travels on a string with a speed of 3m/s to the left. at t=0, the piece of string at x=0 has a displacement of zero and is moving downwards. find the wave function of the wave.
A coil of inductance 77 mH and unknown resistance and a 0.79 µF capacitor are connected in series with an alternating emf of frequency 900 Hz. If the phase constant among the applied voltage and the current is 75°, what is the resistance of the coil?
What is the drag force exerted on a runner running at a 7min/mi pace (3.83 m/s) on a day with no wind? Suppose a coefficient of drag of 0.8, an air density of 1.204 kg/m3, and a frontal surface area of 1.0m2.
question an aqueous solution containing barium iodide bai2 is electrolyzed in a cell containing inert electrodes. the
One solenoid is centered inside another. The outer one has a length of 50.0 cm and contains 6750 coils, while the coaxial inner solenoid is 3.0 cm long and 0.120 cm in diameter, Find the emf induced in the inner solenoid
Find the wavelength of the emitted photon when an electron makes a transition from the second level to the first level. How much energy is required to ionize a hydrogen atom in its ground state?
Two ice skaters, with masses of 30kg and 75kg , are at the center of a 50m -diameter circular rink. how long does the lighter skater take to reach the edge
Calculate the potential energy for each ball on each ramp - How would this speed change if each ball's mass was doubled?
A particle of mass 4m is placed at a distance of 2.00 m from another particle of mass m. how far will that be orbiting around the earth
After a day of testing race cars, you decide to take your own 1478 kg car onto the test track. While moving down the track at 11.7 m/s, you suddenly accelerate to 28.8 m/s in 12.6 s. What average net force have you applied to the car during tha..
What is the boats average speed. imagine the mass of the dishwater is large enough so its temperature doesn't change appreciably.
An advertisement claims that a(n) 1500 kilogram car can accelerate from rest to 22 m/s in 8.2 second. Find what average power must the motor produce to cause this acceleration
A Boeing 747 jumbo jet with a wingspan of 77 meter is flying in an area where the Earth's B-field is 0.050 mT. find the potential difference induced between its wingtips
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