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A 0.760 m long brass pendulum experiences a 21.0°C temperature increase.
(a) Calculate the original period.
(b) What is the change in the period?
(c) Find the ratio of the change in period to the original period, and calculate how long a clock run by this pendulum would take to fall 1.00 s behind the correct time.
A 40.0 µF capacitor is connected to a 50.0 resistor and a generator whose rms output is 30.0 V at 60.0 Hz. Find the following values: The rms voltage drop across the capacitor
Three capacitors having capacitances of 8.7%u03BCF , 8.7%u03BCF , and 4.1%u03BCF are connected in series across a 31-V potential difference. What is the total energy now stored in the capacitors
A person fishing from a pier observes that five wave crests pass by in 7.4 s and estimates the distance between two successive crests to be 4.3 m. The timing starts with the first crest and ends with the fifth. What is the speed of the wave? m/s
Insects do not have lungs as we do, nor do they breathe through their mouths. Instead, they have a system of tiny tubes, called tracheae, find the oxygen concentration at the interior end of the tube
An airline passenger dangles her watch from a string while the jet takes off. The string makes an angle of 25o with respect to the vertical while the aircraft accelerates for takeoff, which takes about 18 seconds. Determine the takeoff speed of the a..
Knowing that these two tones are two harmonics apart, find the smallest length the tunnel could have. Also determine the harmonic number for these two tones
At one instant a bicyclist is 28 m due east of a park's flagpole, going due south with a speed of 8 m/s. after that, 11 s later, the cyclist is 65 m due north of flagpole, going due east with a speed of 10 m/s.
A cubic container is at rest on a rough horizontal warehouse floor. determine the minimum horizontal force that must be applied to the top of the container to cause tipping
define the hazards for astronauts inside any spacecraft moving in the vicinity of a pulsar.
Five grams of nitrogen gas at an initial pressure of 3.0 atm and at 20? C undergo an isobaric expansion until the volume has tripled. What is the gas volume after the expansion
Three resistors, 28, 48, and 80 ?, are connected in series, and a 0.53-A current passes through them. What is the potential difference across the three resistors
A laser emits a narrow beam of light. The radius of the beam is 8.5 mm, and the power is 1.7 mW. What is the intensity of the laser beam
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