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A person lying on an air mattress in the ocean rises and falls through one complete cycle every 5.5 seconds. The crests of the wave causing the motion are 21.0 m apart.
(a) Determine the frequency of the wave.
(b) Determine the speed of the wave.
Electromagnetic waves propagate through what? What is oscillating? What determines the velocity c in free space
A small object with mass 0.200 kg moves with constant speed in a vertical circle of radius 0.500 m. It takes the object0.150 s to complete one revolution, What is the translational speed of the object
Alan leaves Los Angeles at 8:00 a.m to drive San Francisco, 400 mi away. He travels at a steady 50 mph. find Who gets to San Francisco first
A cylindrical capacitor has an inner conductor with a radius of 1.1mm and an outer conductor with a radius of 3.5mm. What is the capacitance per unit length
A spring with a spring constatn of 1200 N/m is placed at the bottom of an inclined plane with an angle of 30 degrees with the horizontal. how far up the incline plane will the block move before it stops
A bullet of mass 0.2 kilogram moving horizontally at 450 m/s hits a 3 kilogram block that is at rest on a frictionless table. Find the speed of the block and momentum after impact
Two mass-spring systems have the same mass and the same total energy. The amplitude of system 1 is three-fourths that of system 2. How do their maximum accelerations compare
A violin string tuned to 485.0 Hz is found to exhibit 3.5 beats per second with a guitar string. What was the original frequency of the guitar string
While in Europe, a tourist hears on the radio that the temperature that day will reach a high of 18 C. What is this temperature on the Fahrenheit scale?
What is the smallest quantum of energy that can be absorbed by the molecule in a rotational excitation? What is the smallest quantum of energy that can be absorbed in a vibration excitation? In what regions of electromagnetic spectrum do the transiti..
A voltmeter is connected in parallel to a resistor when measuring Vi. Why is the measured voltage across a 10 M Ω resistor not equal to the voltage measured across a power supply?
A cosmic ray proton is moving at such a speed that it can travel from the moon to earth in 1.70 s. (The Earth-moon distance is 3.8x105 km. What value would be measured for its mass
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