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3 amperes of current flow through a wire.
(a) What net charge flows past a point in the wire each second?
(b) What is the net charge on the wire?
A fountain designed to spray a column of water 10 m into the air has a 3 cm diameter nozzle at ground level. find the necessary absolute pressure the pump must exert
plane flies at 1.13 times the speed of sound. Its sonic boom reaches a man on the ground 0.99 min, What is the altitute of the plane
q1 = -2 ?C is at (-5cm, 3cm) and q2 = +8?C is at (0,0). Find the x component of the electric force exerted on q2 due to q1
A military helicopter on a training mission is flying horizontally at a speed of 60.0 m/s and accidentally drops a bomb, How far does it travel horizontally while falling
A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. The current rating of the blow-dryer is 10 A, and that of the vacuum cleaner is 5.0 A, Determine the power consumed by the blow-dryer
A crate of mass 14.0 kg is pulled up a rough incline with an initial speed of 1.50 m/s. How much mechanical energy is lost due to friction
A sensitive gravimeter at a mountain observatory finds that the free-fall acceleration is 5.5×10?3m/s2 less than that at sea level
A 2 kg car moving towards the right at 4 m/s collides head on with an 8 kg car moving towards the left at 2 m/s, After the collision, the velocity of the combined bodies is
The two identical pucks with masses of 300.0 g, in the figure rotate together on a frictionless, horizontal table. What is the tension in the second string
Suppose you're skiing up a 20m tall slope at the indicated angle of inclination. What minimum initial speed must you have at the bottom to just make it to the top
A uniform thin rod of mass 4.19 kg pivots about an axis through its center and perpendicular to its length. What must the length of the rod be so that the moment of inertia of the three-body system with respect to the described axis is 0.977 kg·m2
The speed of sound in bone is 3500 m/s. How much time does it take the echo of a sound wave to travel from the back of the bone to the front of the bone if the bone is 2.50 cm thick.
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