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In preperation for building a space station, an astronaut removes a self-teliscoping uniform rod form the cargo bay and releases it, not noticing that he gave it an angular speed of .0500 radians per second. The pole is 3. meters long. A catch slips and the pole spring retracts it into a shorter 1.5 meter long unifrom pole about a minute after the astronaut releases it. What is the angular speed after the catch slips?
An artificial lens is implanted in a person's eye to replace a diseased lens. The distance between the artificial lens and the retina is 2.70 cm. What is the power of the implanted lens
find out the magnitude of their acceleration. If the blocks move determine the magnitude of the tension in the string. If the blocks do not move determine the sum of magnitude of the forces of friction acting on the blocks. Show all the work.
Five-gram samples of copper and aluminum are at room temperature
A parallel-plate capacitor having square plates 4.50cm on each side and 8.00mm apart is placed in series with an ac source of angular frequency 620rad/s, What is the resonance angular frequency of this circuit
35.0g of copper pellets are removed from a 300?C oven and immediately dropped into 90.0mL of water at 25.0?C, What will the new water temperature be
A trap door, of length and width 2.75 m, is held open at an angle of 65.0° with respect to the floor. what is the torque exerted on the trap door by the rope
A light ray is incident upon a plane interface between two materials. what is the refracted angle (in degrees) in that material
Please state Ohm's Law using words, and in several ways if you can. Reference to graphs may make this easier for you
Two charges of +0.250 C are placed at the points (1.25 mm, 0) and (-1.25 mm, 0). A third charge of -0.450 C is placed at the origin. a. What is the electric field at the point (0, 2.20 mm)? b. At what point on the y-axis will E be zero? Show graph..
A hand-driven tire pump has a 2.50 cm diameter piston and a maximum stroke of 34.0 cm. What average force do you exert on the piston, neglecting friction and gravity
A projectile proton with a speed of v collides elastically with a target proton initially at rest. what is the speed of the projectile proton
400 L of water is at 4 oC. If it took a heat 600 seconds to heat this up to 6 oC, what is the power rating of the heater
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