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If a pipe wrench of length 18 cm is positioned vertically on pipe, with the handle pointing up, and a force of 150 N, what is the torque on the pipe
A solid sphere of radius 10 m and mass 2.5 kg rolls down a ramp that is 3 m high. What is its velocity at the bottom of the ramp
A 2000w air conditioner and 700w refrigerator each operate on 120V rms. find current through air conditioner
Calculate the moment of inertia acting on a 2X4 stud (viewed as a thin rod) of approximately 2.25 m with a mass of 5.00 kg, rotated through the center of the beam
A beam contains 4.0 108 doubly charged positive ions per cubic centimeter, all of which are moving north with a speed of 1.3 105 m/s
A parallel-plate capacitor has plate area 2.5×10?3m2 and plate spacing 3.0×10?2m, Find the stored charge and energy when this capacitor is connected across a 60V battery
Two capacitors, C1 = 2.0mF and C2 = 7.0mF , are in series, Find the charge stored on the second capacitor
He milk is pumped (at a constant flow rate of 29532 L h-1) through a pipe that has an internal diameter of 65 mm. What is the milk velocity
An LC circuit has a 7.88 mH inductor. The current has its maximum value of 0.73 A at t=0 s, What is the value of the capacitance
An ac series circuit has an impedance of 196 ? , and the phase angle between the current and the voltage of the generator is ? = -72°. The circuit contains a resistor and either a capacitor or a
The focal lengths of the objective and the eyepiece in a microscope are 0.29 cm and 2.50 cm, respectively, What is the final overall magnification of the microscope
To stretch a certain spring by 2.50cm from its equilibrium position requires 9.00J of work, What was the maximum force required to stretch it by that distance
A force FT is applied to a cord wrapped around a pulley with moment of inertia I = 0.295 kg · m2 and radius R0 = 33.0 cm, what is the linear speed of a point on its rim 7.0 s later
It is proposed that future space stations create an artificial gravity by rotating. Suppose a space station is constructed as a 1600-m-diameter cylinder, What rotation period will provide "normal" g
A square current loop 4.50cm on each side carries a 540mA current. What is the magnitude of the torque on the current loop
One long wire lies along an x axis and carries a current of 42 A in the positive x direction, What is the magnitude of the resulting magnetic field at the point (0, 2.0 m, 0)
An electron is constrained to the central axis of a ring of charge 1 coulomb and of radius 1 meter. Find the frequency of oscillation of the electron in Hertz
A soccer player kicks the ball off the ground at an angle ? above the horizontal. The ball is in the air for 3.0 seconds, Find the soccer ball's initial horizontal (vox) velocity component
A flat circular coil with 110 turns, a radius of 3.80 × 10-2 m, and a resistance of 0.340 ? is exposed to an external magnetic field that is directed perpendicular to the plane of the coil, Fi
If a pitcher throws a 3 kg ball at 30 m/s to a batter who hits it straight back at him using 58500 N for 0.003 seconds, what is the velocity of the ball coming back to the pitcher
A student at another university repeats the experiment you did in lab. Her target ball is 0.860 m above the floor when it is in the target holder, What is the kinetic energy (in joules) of the targe
In a Hall-effect experiment, a current of 2.9 A sent lengthwise through a conductor 0.89 cm wide, 3.1 cm long,, find the drift speed (in m/s) of the charge carriers
A length of 20-gauge copper wire (of diameter 0.8118 mm) is formed into a circular loop with a radius of 25 cm. Find the average electrical power dissipated in the process
Three people pull simultaneously on a stubborn donkey. Jack pulls eastward with a force of 83.7 N, Jill pulls with 91.9 N in the northeast direction, Find the magnitude of the net force the people e
The width of the contact of each wire with your skin is 1.10 cm and the thickness of the conducting layer of your skin is 0.023 mm, calculate the resistivity of your skin