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An oscillating block-spring system has a mechanical energy of 1J, amplitude of 10 cm, and a maximum speed of 1.20 m/s. Discover (a) the spring constant, (b) the mass of the block, and (c) the frequency of oscillation.
In state-of-the-art vacuum systems, pressures as low as 1.00 10-9 Pa are being attained. Calculate the number of molecules in a 1.80-m3 vessel
an obnoxious brat assigns his 0.0227-kilogram pet mouse mickey the role of stunt mouse by stuffing him into a spring
A boy whirls a stonein a horizontal circle 1.6 m above the ground, by means of a string1.4 m long. The angle between the string and horizontal plane is 10degrees. The string breaks,the stone flies of horizontally, and strikes the ground 6 m away.What..
A roller coaster reaches the top of the steepest hill with a speed of 4.0 km/h. Estimate its speed when it reaches the bottom
question two thin slits are 0.050 mm apart. monochromatic light of wavelength 634 nm falls on the slits. if there is a
You are given the job of evaluating potential power line systems. What percentage of the power would be dissipated in the low-voltage power line
A spring loaded toy is used to shoot a 3g ping pong ball straight up against air. What is the work done by air resistance
A 28.2-cm-long uniformly charged rod is sealed in a container. The total electric flux leaving the container is 1.47 106 N m2/C. Determine the linear charge distribution on the rod.
An AC generator supplies 215 V peak voltage at 125 Hz frequency. How much power is dissipated in a resistor with R=165 ohms resistance connected to the generator
the rear window of a van is coated with a layer of ice at 0degc. the density of ice is 917 kgm3 and the latent heat of
A crate of mass 9.0 kg is pulled up a rough incline with an initial speed of 1.42 m/s. What is the change in kinetic energy of the crate
A pulsar is a stellar object that emits light in short bursts. Suppose a pulsar with a speed of 0.950c approaches Earth and a rocket with a speed of 0.965c heads toward the pulsar.
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