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Standing waves are set up on two strings fixed at each end, as shown in the drawing. The two strings have the same tension and mass per unit length, but they differ in length by 0.52 cm. The waves on the shorter string propagate with a speed of 41.2 m/s, and the fundamental frequency of the shorter string is 222 Hz. Determine the beat frequency produced by the two standing waves.
The threshold of dark-adapted (scotopic) vision is 6 multiplied by 10-11 W/m2 at a central wavelength of 550 nm. If light with this intensity and wavelength enters the eye when the pupil is open to its maximum diameter of 7.5mm, how many photons p..
What is the electric potential energy of three equal positive charges of 1.33 µC while they are arranged to form a triangle 2.10 x 10-3 m on a side.
What would happen to the gravitational force between Earth and the Sun. A reconnaissance plane flies 600 km away from its base at 240 km/h, then flies back to its base at 320km/h.
A student of weight 665 N rides a steadily rotating Ferris wheel (the student sits upright). At the highest point, the magnitude of the normal force N on the student from seat is 566 N.
A platinum resistance thermometer has resistances of 190.0 when placed in a 0°C ice bath and 234.8 when immersed in a crucible containing a melting substance. What is the melting point of this substance
An underwater diver sees the sun 50 degrees above horizontal. How high is the sun above the horizon to a fisherman in a boat above the driver.
Calculate the acceleration on the radio. The rms voltage across a 5.02 Ω resistor is 34.7 V. Find the maximum instantaneous current by the resistor.
explain how would you evaluate much accountability for AIS security falls on management in a large and a small accounting firm.
Mars Rover When the Mars rover was deployed on the surface of Mars in July 1998, radio signals took about 14 {rm min} to travel from Earth to the rover. How far was Mars from Earth at that time.
An airplane flies due south at 190-km/h relative to the air. There is a wind blowing at 73.0 km/h to the east relative to the ground. What are the plane's speed and direction relative to the ground.
A small rock moves in water and the force exerted on it by the water is given by equation . The terminal speed of the rock is measured and found to be 1.9 . The rock is projected upward at the initial speed of 6.4 . You can ignore the buoyancy for..
A green photon ( = 551 nm) is absorbed by a free hydrogen atom, initially at rest. What is the recoil speed of the hydrogen atom
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