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A cylinder of cross-sectional area 11 cm2 is fitted with a piston, which is connected to a spring with a spring constant of 1250 N/m, as shown in the figure. The cylinder is filled with 0.0050 mole of a gas. At room temperature (23 °C), the spring is neither compressed nor stretched. How far is the spring compressed if the temperature of the gas is raised to 135 °C? (Assume the pressure in the volume containing the spring stays constant at atmospheric pressure.)
A 45kg figure skater is spinning on the toes of her skates at 0.50rev/s . Her arms are outstretched as far as they will go. In this orientation, What is her new rotation frequency, in revolutions per second
How much is the spring compressed?
A small droplet of oil with mass of 4.81×10-15 kg is held suspended in a region of uniform electric field directed upward with a magnitude of 7025 N/C
A 108m long train starts from rest (at t=0) and accelerates uniformly. At the same time (at t=0), a car moving with constant speed in the same direction reaches the back end of the train. find the cars speed and the trains acceleration
Three 45 ohm lightbulbs and three 75 ohm lightbulbs are connected in series. what is the total resistance of the circuit
Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 31.2 m. Assume the density of the water is 1.00 103 kg/m3 and the air above is at a pressure of 101.3 kPa
A Jaguar car can accelerate from 0 to 60 mph in 4 sec. What is the average acceleration during this time period
In a series circuit, a generator (1436 Hz, 14.7 V) is connected to a 15.2-? resistor, a 3.85-µF capacitor, and a 5.47-mH inductor. Find the voltage across each circuit element
A catapult with a radial arm 4.19 m long accelerates a ball of mass 19.1 kg through a quarter circle. The ball leaves the apparatus at 41.6 m/s. Find the net torque exerted on the ball and arm
A Nichrome wire is used as a heating element in a toaster. From the moment the toaster is first turned on to the moment the wire reaches it maximum temperature, What is the temperature change in the wire
You are given a parallel plate capacitor that has plates of area 4.00 m2 which are separated by 0.0100 mm of nylon, Calculate what the applied voltage in kV should be for this capacitor
A state highway patrol car radar unit uses a frequency of 9 x 10^9. what frequency difference will the unit detect from a car receding at a speed of 46.5 m/s from stationary patrol car.
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