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Three sticks are arranged to forma right triangle. if the lenghts of the sticks are .47m, .62m, and .78m, what are the angles of the triangle?
A particle of mass 0.500 kg is attached to the 100-cm mark of a meterstick of mass 0.150 kg. The meterstick rotates on the surface of a frictionless, Calculate the angular momentum of the system
A spacecraft orbits an unknown planet at a distance of 5.2 x 10^7 m from its center. The period of its orbit is 52 hours. What is the mass of the planet
The objective lens of a telescope is a symmetric glass lens with 100cm radii of curvature. The eyepiece lens is also a symmetric glass lens. What are the radii of curvature of the eyepiece lens
A 362 g object is attached to a spring and executes simple harmonic motion with the period of 0.200 s. If the total energy of the system is 6.71 J.
An elastic cord is 64 cm long when a weight of 56 N hangs from it and is 69 cm long when a weight of 83 N hangs from it. What is the "spring" constant of this elastic cord.
The surface area of an unclothed person is 1.55 m2, and his skin temperature is 33.0°C. At what rate is energy radiated by the body
A damped mass-spring system oscillates at 280 Hz. The time constant of the system is 2.0 s. At t = 0, the amplitude of oscillation is 8.4 cm and the energy of the oscillating system is then 84 J.
A point charge q1 = +7e is fixed at the origin of a rectangular coordinate system, and a point charge q2 = -10e is fixed at x = 7.1 nm, y = 0.
A train starts from rest and travels in a straight line with acceleration 1.5 m/s2 for 30 seconds. It then travels with a constant speed for 2 minutes. calculate the average velocity over the duration of the trip
A fellow student of mathematical bent tells you that the wave function of a traveling wave on a thin rope isy(x,t)= 2.10mm cos[( 6.96rad/m )x+( 744rad/s )t]. Determine the average power transmitted by the wave
Object of masses: mass1= 4.000 kg and mass2=9.000 kg, are connected by a light string that passes over a frictionless pulley. Determine the acceleration of each object
If the length of the Achilles tendon increases 0.600 cm when the force exerted on it by the muscle increases from 3087 N to 4955 N, what is the "spring constant" of the tendon
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