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A 2.03 kg book is placed on a flat desk. Suppose the coefficient of static friction between the book and the desk is 0.602 and the coefficient of kinetic friction is 0.327. How much force is needed to begin moving the book? How much force is needed to keep the book moving at constant speed once it begins moving?
A string length 2.0 m and linear mass density 25.0 mg/m vibrates at a fundamental frequency of 450.0 Hz. What is the speed of the transverse strin waves
Particles pass through a single slit of width 0.233 mm. The de Broglie wavelength of each particle is 558 nm. Use the Heisenberg uncertainty principle to determine the maximum angle in that range
The nucleus in an iron atom has a radius of about 4.0 X 10-15 m and contains 26 protons, What is the magnitude of the gravitational force between those same two protons
Two bugs are riding on a meter stick rotating about its 50.0-cm mark. Bug A is riding on the 40.0-cm mark. Bug B is riding on the 75.0-cm mark.
Consider a series RLC circuit where R = 35.0 ?, C = 35.5 ?F, Determine the phase angle of the circuit in degrees
A 75 kg man jumps from an airplane. When his parachute deploys, it exerts a 500 N force on the man at an angle of 30 degrees with respect to vertical
Capacitors C1= 13 uF and C2=25 u F are each charged to 15 V , then disconnected from the battery without changing the charge on the capacitor plates. estimate the potential difference across each capacitor
A wave is moving along a string. The equation giving the displacement y of a point at coordinate x and at time t has the form y = 0.2cos(4pi(x)/5-20pi(t)), Calculate the frequency and the speed(m/s) of the wave
A cloud mass moving across the ocean at an altitude of 2000 m encounters a coastal mountain range. As it rises to a height of 3500 m to pass over the mountains, it undergoes an adiabatic expansion.
An elevator cabin has a mass of 350.5 kg, and the combined mass of the people inside the cabin is 183.7 kg. obtain the tension in the cable
A force vector has a magnitude of 590 newtons and points at an angle 44o of below the positive x axis. What is (a) x scalar component and (b) y scalar component of the vector.
A 24-V battery is connected in series with a resistor and an inductor, Find the energy stored in the inductor when the current reaches its maximum value
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