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A linear object that is h = 2.16 m tall is placed a distance a = 0.610 m from a small light source. A shadow is produced on a screen that is a distance b = 1.23 m behind the object. Compute the height of the shadow.
An inductor has an inductance of .082H. The voltage across the inductor is 18V and has a frequency of 190 Hz. What is the current in the inductor
A thin, uniform, rectangular sign hangs vertically above the door of a shop. The sign is hinged to a stationary horizontal rod along its top edge. Find its angular speed immediately after the impact
Two point charges are on the y-axis. A 6.0 µC charge is located at y = 1.50 cm, and a -2.16 µC charge is located at y = -1.60 cm. Find the total electric potential at the origin.
A projectile is fired in such a way that its horizontal range is equal to 14 times its maximum height. What is the angle of projection
A mass of 2 kg is attached to a spring with spring constant k=100 N/m. What is the period of oscillation for the mass
If you run the wire between the poles of a strong horseshoe magnet, subjecting 5.00 cm of it to a 1.95 T field (perpendicular to the wire), what force is exerted on this segment of wire
A long pipe of outer radius 3.60 cm and inner radius 3.06 cm carries a uniform charge density of 3.22 mC/m3. calculate the electric field r = 7.56 cm from the centerline of the pipe
At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. What is the radius of a chamber
An object is placed 5 cm in front of a spherical mirror. A virtual image is formed 10 cm behind the mirror. What is the magnification of the mirror
Suppose that when a 12.0-V battery drives a current of 6.7 A through a resistive device, How much is the internal resistance (in ohms) of the 12.0-V battery
A diver releases an air bubble of volume 2.9 cm3 from the depth of 18 m below the surface of a lake, where the temperature is 7.2°C. What is volume of the bubble when it reaches just below the surface of the lake, where the temperature is 22°C.
A .45kg rock is dropped 7.0 m into 4.0 kg of water. If all the rock's kinetic energy is converted to thermal energy in the water, what's the water's temperature increase
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