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An object of unknown mass is attached to an ideal spring with force constant 130 and is found to vibrate with a frequency of 5.60 Hz. Find the period. Find the angular velocity. Find the mass of this object?
An arrow is shot at an angle such that it's horizontal velocity is 40 m/s, Find the horizontal distance the arrow will travel
An airplane with a speed of 74.9 m/s is climbing upward at an angle of 38.3 ° with respect to the horizontal. Relative to the ground, determine the angle of the velocity vector of the package just before impact
A block with a mass m1 = 1.5 kg is pushed by a mass m2 = 1 kg against a spring with a force constant of k = 750Nm^-1. What is the period of the motion initially
A series ac circuit contains a 250? resistor, a 20.0mH inductor, a 3.50?F capacitor, Find the average power delivered to the entire circuit
A piece of balsa wood with density 0.50g/cm^3 is released under water. What is the initial acceleration?? Repeat for a piece of maple with density 0.760 g/cm^3? Repeat for a ping-pong ball with the average density of 0.127 g/cm^3.
The index of refraction for crown glass is 1.512 at a wavelength of 660 nm (red), whereas its index of refraction is 1.530 at a wavelength of 410 nm (violet). what is the angle of refraction for each wavelength
A solenoid that is 87.0 cm long has a cross-sectional area of 14.0 cm2. Calculate the energy density of the magnetic field inside the solenoid
You have a pulley 11.8 cm in diameter and with a mass of 1.6 kg. You get to wondering whether the pulley is uniform. What is the moment of inertia if the pulley is uniform
A piano wire with mass 3.45 g and length 77.0 cm is stretched with a tension of 33.0 N . A wave with frequency 100 Hz and amplitude 1.70 mm travels along the wire. Calculate the average power carried by the wave. What happens to the average power if ..
A .250kg ball is thrown horizontally at 16.8m/s Find its change in the magnitude of the momentum
When a 5.5 cm long pencil is arranged perpendicular to a convex mirror's optical axis at a distance of 29 cm from the mirror, its image is 2.8 cm tall. (a) What is the mirror's focal length? (b) How tall is the pencil's image if the pencil is move..
A thin film of glass (n = 1.48) floats on a liquid of n = 1.35 and is illuminated by light of ? = 600 nm incident from air above it. Find the minimum thickness of the glass
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