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A compact disk player has just been turned off. A disk decelerates uniformly from an initial angular velocity of 7.55 rev/s. The disk rotates through 6.00 revolutions before coming to rest. What is the tangential acceleration of a point on the disk 4.60 cm from the axis?
You combine two thin lenses by placing them in contact so that their axes coincide, forming what is called a compound lens. The focal lengths of the lenses are 24.1 cm and –53.9 cm, respectively. Find the focal length of this compound lens?__________..
Find the angular momentum of the second hand on a clock. The second hand has a length of 20.0cm and a mass of 8.0g
q1. a spring stiffness 900 nm and relaxed length 1m stands vertically on a table. you hold a block of mass 1 kg barely
in an amusement park you stand against the inside wall of a circular object that resembles a tin can. the circular
a window has a glass surface of 1.4 103 cm2 and a thickness of 4.0 mm.a find the rate of energy transfer by conduction
A 90.0- and a 45.0- resistor are connected in parallel. Whenthis combination is connected across a battery, the currentdelivered by the battery is 0.376 A. When the 45.0- resistor is disconnected, the currentfrom the battery drops to 0.131 A.
A particle has a charge of +2.3 ?C and moves from point A to point B, a distance of 0.13 m. The particle experiences a constant electric force, and its motion is along the line of action of the force.
A 1.0 kg ball drops vertically onto a floor, hitting with a speed of 28 m/s. It rebounds with an initial speed of 12 m/s. What impulse acts on the ball during the contact
A soccer player kicks a ball from ground level with an initial velocity of 25 m/s at an angle of 30° above the horizontal. What angle does the velocity vector make with the horizontal
While on a one-hour trip, a small boat travels 32 km north and then travels 45 km east. What is the magnitude of the boat's average velocity for the one-hour trip
A 65.0 kg basketball player jumps vertically and leaves the floor with a velocity of 1.80 m/s upward. What impulse does the player experience
a 15.0-m length of wire consists of 9.0m of copper followed by 6.0m of aluminum both of diameter 1.5mm . a voltage
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