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A rock weighing 7538 N rock with a volumeof 47 L is completely submerged inmercury. The density of mercury is 13.6 kg/L.
a.) Determine the density of the rock.
kg/L
b.) Determine the buoyant force on the rock.
N
A plot of the displacement on the y axis vs. applied force on thte x axis for an ideal elastic spring. What would the slope of the curve be
Heat is extracted from a certain quantity of steam at 100 degrees celsius. Thus the steam changes into ice at 0 degrees celsius. If this energy were used to accelerate the ice from rest, what would be the linear speed of the ice.
A 0.9-kg block begins to move when it is pulled by a rope on a horizontal surface by a 3-N force. What is the force of static friction acting on the block
A cart of mass 1.8kg rolls without friction on a track. At point A the cart is moving at 6.0m/s. What work was done by friction
Four small charged bodies of equal charges Q=-1nC are placed at four vertices of a rectangle with sides a=4cm and b=2cm. Determine the direction and magnitude of the electric force
A car is moving in a circular path. At a certain instant, it has zero tangential acceleration and a non-zero centripetal acceleration
a television channel is assigned the frequency range from 54 mhz to 60 mhz. a series rlc tuning circuit in a tv
If the coefficient of static friction is 0.373, and the same ladder makes a 63.0° angle with respect to the horizontal, how far along the length of the ladder can a 66.5-kg painter climb before the ladder begins to slip?
Two spheres, fastened to "pucks" riding on a frictionless air track, are charged with +2 × 10-8 C, and +6 × 10-8 C, correspondingly. Both objects have the same mass. As they repel.
The rotor of a toy gyroscope consists of an annular cylinder attached to cylindrical shafts by spokes. The rotor is spun by pulling on a string wrapped around shaft.
An object moves along the x axis according to the equation x = 3.35t2 ? 2.00t + 3.00, At what time is the object at rest
At one instant a bicyclist is 25m due east of a park's flagpole, going due south with a speed of 8 m/s. Then, 11 s later, the cyclist is 65m due north of flagpole, going due east with a speed of 10 m/s.
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