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A long thin uniform rod lies motionless in a friction freehorizontal plane along the y-axis. It is pinned to the ground witha friction free pivot. A force F is applied at 90 degrees to thebar and at its very end. If the mass is 1kg and the force is 10N:
a) what is the initial acceleration of the center mass?
b) what force does the pin apply to the rod iniitially?
c) where could this same force be applied so that the pinexerts no force initially?
Calculate the angular wave number and the speed of the wave.
1.give the definition of electrical circuit. draw the simplest electrical circuit and mark the directions of electrical
A radio can be tuned into a particular station frequency by adjusting the capacitance in an L-C circuit. What is the inductance L of a coil connected to this capacitor if the oscillation frequency of the L-C circuit is 1.69MHz
A light ray in air enters a glass slab at point A at incident angle theta1 and then undergoes total internal reflection at point B,. What is the maximum value of theta1if the index of refraction of the glass is 1.4? For the ray of light that goes fro..
When it rains, water vapor in the air condenses into liquid water, and energy is released. (a) How much energy is released when 0.0285 m (1.12 inch) of rain falls over an area of 2.59×106 m2 (one square mile)? (b) If the average energy needed to h..
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A 2.0-kg block slides down a fixed, rough curved track. The block has a speed of 5.0 m/s after its height above a horizontal surface has decreased by 2.0 m. What is the change in mechanical energy of the block
You are driving into St. Louis, Missouri, and in the distance you see the famous Gateway-to-the-West arch. how far (in kilometers) are you from the base of the arch
Neglect air resitance. Find rocket's kinetic energy when the rocket is 1000 km above Earth's surface. Illustrate what is the max heigh that the rocket reaches.
assess your local environment either in your home town or region. describe the type of common chemical hazards that
A wristwatch has +2 nC of charge deposited at each numeral (representing each hour). The radius of the wristwatch is 3.00 cm. How much work is required to move a proton
Light of wavelength 700 nm falls on a 0.38 mm wide slit and forms a diffraction pattern on a screen 1.3 m away. Find the width of the central maximum
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