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At the center of a 59-m-diameter circular ice rink, a 77 kg skater traveling north at 2.45 m/s collides with and holds onto a 58 kg skater who had been heading west at 3.62 m/s.
How long will it take them to glide to the edge of the rink?
Where will they rich it? Give your answer as an angle (in degrees) north of west
a square plate of edge length 12.0 cm and negligible thickness has a total charge of 5.80 x 10-6 c. estimate the
During physic lecture a lone ant makes it way across the classroom floor in two distinct stages starting from the wastebasket, Calculate the magnitude and direction of the ants resultant displacement vector
A steel beam that is 7.00m long weighs 330N. It rests on two supports, 3.00m apart, with equal amounts of beam extending from each end. Suki, who weighs 505 N, stands on the beam in the center and then walks toward one end. How close to the end can s..
A source of electromagnetic waves radiates power uniformly in all directions at a single frequency. At a distance of 5.00 km from the source, What is the average power radiated by the source
a system executes a power cycle while receiving 800 kj by heat transfer at a tem-perature of 1600 k and discharging 120
A metal ball with a mass of 3.81·10-6kg and a charge of +5.21 mC has a kinetic energy of 4.77·108J. how close will it come to the plane before stopping
Light of wavelength 619 nm is incident normally on a diffraction grating. Two adjacent maxima occur at angles given by sin ? = 0.20 and sin ? = 0.32. The fourth-order maxima are missing, What is the separation between adjacent slits
Three, 240-ohm resistors can be connected together in four different ways, making combinations of series and/or parallel circuits. what is the net resistance in each case
An object undergoes simple harmonic motion in the x direction. Its position is given by x=A sin(0.497 t + 4.32), What is the frequency of the object's motion in hertz (Hz)
approsimate the terminal speed of a wooden sphere (density 0.890 g/cm3) falling through air, if its radius is 9.00 cm and its drag coefficient is 0.500. (The density of air is 1.20 kg/m3.)
what are the main parameters of voltage source and their physical meaning . how can we determine the voltage source
An automobile starter motor has an equivalent resistance of 0.0480 and is supplied by a 12.0 V battery with a 0.0080 internal resistance. What power is supplied to the motor
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