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A rock weighing 7404 N rock with a volume of 29 L is completely submerged in mercury. The density of mercury is 13.6 kg/L.
1) Decide the density of the rock.
2) Decide the buoyant force on the rock.
A light ray passes from water into air. The angle of incidence is 37o. Find the angle of refraction in the air
A fully charged capacitor with a voltage of120V is discharged through a resistor. What is the voltage across the capacitor at the end ofthreetime constants
An electron with a speed of 1.1 × 107 m/s moves horizontally into a region where a constant vertical force of 5.6 × 10-16 N acts on it. determine the vertical distance the electron is deflected
A potter's wheel ( a solid uniform disk) of mass 6.1 kg and radius 0.65 m spins about its central axis. Calculate the moment of inertia of the system
What is the radius of the pen. How far should it now sail to reach its original destination.
A 2200 kg sport utility vehicle travelling at 86 km/h can be stopped in 0.15 s if it hits a concrete wall. Presume a 60 kg person was in the car that hit this wall. The velocity of the person equals that of car both before and after the crash, and..
A beach ball, mioving with a speed of 1.27 m/s, rolls off apier and hits the water 0.75m from the end of the pier. how high above the water is the pier
An RLC circuit has a reactance, due to its capacitance, of 11kΩ , a reactance, due to it inductance, of 3kΩ , and a resistance of 29kΩ . What is power factor of circuit?
A student ate a Thanksgiving dinner that totaled 3000Cal . He wants to use up all that energy by lifting a 30-kg mass a distance of 1.0 m. How many times must he lift the mass
an initially uncharged air-filled capacitor is connected to a 3.39-v charging source. as a result 9.57 times 10-5 c of
a person pulls a crate with 120 n of force against 100 n of friction a distance of 5 meters. sketch a free body diagram
A 2.20-g bullet embeds itself in a 1.60-kg block, which is attached to a spring of force constant 760 N/m. Find the time for the bullet-block system to come to rest
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