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a) A student hangs a mass of 150 g on a force table at an angle of 150°. If she then hangs a mass of 220 g at 270°, at what angle should she hang a mass of 195 g so that the ring on the force table is in equilibrium? For maximum credit, show your work. Assume the given masses include the mass of the hangers.
b) On a separate sheet of graph paper, represent the vectors from part a) graphically and to scale.
A hockey puck with mass 0.160 kg is at rest on the horizontal, frictionless surface of a rink. A player applies a force of 0.250 N to the puck, What are the position and speed of the puck at the end of that time
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question a student measures the time of one wavepeak to be 0.00450 seconds and the time of the next peak to be 0.00900
A transformer consisting of two coils wrapped around an iron core is connected to a generator and a resistor, as shown in the drawing. There are 11 turns in the primary coil and 19 turns in the secondary coil. The peak voltage in the resistor is 65 V..
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A thin layer of fluid to be identified by its index of refraction is poured into a very shallow container. what are the possible values for the index of refraction
Ilya and Anya each can run at a speed of 8.40mph and walk at a speed of 3.00mph. Find Anya's average speed. How long does it take Ilya to cover the distance
a square loop of wire with sides of length 40 cm is in a uniform magnetic field perpendicular to its area if the
A device used in radiation therapy for cancer contains 0.29 g of cobalt-60 (59.933 819 u). Determine the activity (in Bq) of the radioactive material
An electron is moving at a speed of 1.2*10^4 m/s in a circular path of radius of 1.9 cm inside a solenoid. Find the strength of the magnetic field inside the solenoid
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