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Calculate (A? ×B? )?C? for the three vectors A? with magnitude A = 5.02 and angle ?A = 25.6? measured in the sense from the +x - axis toward the +y - axis, B? with B = 4.02 and ?B = 62.6?, and C? with magnitude C = 6.02 and in the +z - direction. Vectors A? and B? are in the xy-plane.
A group of hikers hears an echo 1.50 s after shouting. If the temperature is 24.0°C, how far away is the mountain that reflected the sound wave
A 1.1 kg block of ice is initially at a temperature of -5°C. If 4.8 ? 105 J of heat are added to the ice, what is the final temperature of the resulting liquid water
Consider the triangle of charges diagrammed below, for which d = 2 cm, q = 2 nC, and the +x-axis points to the right. What is the force on the 1 nC charge? Give your answer as a magnitude and a direction.
A car is traveling at 10 m/s. How fast would the car need to go to double its kinetic energy? By what factor does the car's kinetic energy increase
An 9.2 mH inductor is connected to an ac generator (10.0 V rms, 650 Hz). Determine the peak value of the current supplied by the generator
A baseball bat is 1 meter long and is made of wood with density 525 kg/m^3. If the bat is held such that the point of rotation is 5.0 cm from the thin end, what is the rotational inertia of the bat
A block of 4.4 kg is held at the top of a smooth incline. The incline has height of 2.1 m and is at an angle of 19 degrees above the horizontal. How much work was done by friction on the block
At a recent rock concert, a dB meter registered 114 dB when placed 1.30 m in front of a loudspeaker on the stage, What was the power output of the speaker
A coil of 150 turns of wire is in the form of a circle, carries a current of 63 mA, and sits in the center of a dipole magnet, What is the radius of the coils
Calculate the net work done on Gas
Calculate the orbital period of Neptune (in yr) from knowledge of G, the mass of the sun (M = 1.99*10^30 kg), and the orbital radius of Neptune of 3.00*10^1A.U
How much work must be done on the electron to move it to negative plate if it is initially positioned 2.86 mm from the positive plate.
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