X-compont and y-component of the dump truck
A 12-foot-long bed of a dump truck loaded with debris must rise to an angle of 30 degrees before the debris will spill out. What is the x-compont and y-component of the dump truck bed at the given angle measurement?
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An unknown additional charge q_3 is now placed at point B, located at coordinates (0 rm m, 15.0 m). Find the magnitude and sign of q_3 needed to make the total electric field at point A equal to zero.
A 2.00-kg object attached to a spring moves without friction (b = 0) and is driven by an external force given by the expression F = 4.60sin(2pi*t), where F is in newtons and t is in seconds. The force constant of the spring is 20.0 N/m.
If the surface charge density on one of the inner faces is 88 pC/m2 and the other inner face -88 pC/m2, what is the magnitude of the electric potential difference between the two conductors?
The radiant energy emitted per second per square meter is the same as the heat lost per second per square meter due to conduction. What is the emissivity of the wall?
an object is held up by two ropes. rope 1 makes an angle of 65 degrees above horizontal and the tension in it is T1 = 26N. rope 2 makes an angle of 32 degrees above the horizontal and the object is in equilibrium. what is the tension in rope 2 (T2
At t=0 a grinding wheel has an angular velocity of 24.2 rad/s. It has a constant angular acceleration of 24.2 rad/s^2 until a circuit breaker trips at t = 1.2 seconds. From then on, it turns through 432 rad as it coasts to a stop at constant angul
Two harmonic oscillators A and B, of mass m and spring constants kA and kB, respectively, are coupled together by a spring of spring constant kC. Find the normal frequencies w' and w" and describe the normal modes of oscillation if kc^2=kAkB
In a Rutherford scattering experiment a target nucleus has a diameter of 1.6 x 10-14 m. The incoming particle has a mass of 6.64 x 10-27 kg. What is the kinetic energy of an particle that has a de Broglie wavelength equal to the diameter of the ta
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