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A spring has force constant 8.3 Nm^-1. A 0.075kg mass is hung on the end of the spring. It is set oscillating in simple harmonic motion by extending the mass downwards 4 cm below the central postion and releasing it. The period is 0.6 and the angular frequency, w, is 10.47 rad/s and the max. velocity is 0.42 m/s. Draw a reference circle to show the mass at the top and also at 1 cm above the bottom position, travelling downwards, then calculate the time taken to go between these two positions.
two 1.3kg masses are 1.2m apart (center to center) on a frictionless table. Each has + 9.2?Cof charge, What is the magnitude of the electric force on one of the masses
Alpha particles (charge = +2e, mass = 6.68* 10^-27 kg) are accelerated in a cyclotron to a final orbit radius of 0.50 m. Determine the kinetic energy of an alpha particle in the final orbit
You are designing a curve in a highway. If the turn is too sharp (the radius of curvature is too small), Find the minimum radius of curvature of a road
In a photoelectric effect experiment, visible radiation of energy 2.68 eV is incident upon a metal of unknown work function. determine the work function of the metal
Two violin strings are tuned to the same frequency, 294Hz, What will be the beat frequency heard when the two strings are played together
my friend bob takes a leisurely stroll at a constant speed of 1.2 m/s for 8.5 mins to the south then jogs at a constant speed of 2.7m/s for 6.3 mins to the south
An explorer in dense jungles of equatorial Africa leaves his hut. He takes 41 steps at an angle 45 north of east, then 81 steps at an angle 60 north of west, then 51 steps due south. Suppose his steps all have equal length. Save him from becoming ..
A brick of mass M sits on a rubber pillow of mass m . Together they are sliding to the right at constant velocity on an ice-covered parking lot, Draw a free-body diagram of the brick and identify each force acting on it
A parallel plate capacitor has a capacitance of 1.5 microFarad with air between the plates. What is the dielectric constant of the material
A diffraction grating 22.0mm wide has 6000 rulings. Light of wavelength 592nm is incident perpendicular on the grating. What is the largest value of theta at which maxima appear on a distant viewing screen
what must be done to increase the velocity of a rocket. Calculate the horizontal force that must be applied to produce an acceleration.
You put a kettle on to boil and forget about it so that all the water boils away. what is the change in entropy of the water once it has all turned to steam
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