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A pendulum consists of a mass m = 0.080 kg hanging from a flexible string of length L. The string is very thin, very light, and doesn't stretch much. It makes small oscillations, with a period of 0.663 s. Find the oscillation frequency of the pendulum. Neglect any air resistance. 1.51 Hz
Find the period of the same pendulum on the moon's surface. The gravitational acceleration of the moon is 1.67 m/s2.
A body of mass 5kg is moved along a straight line and its displacement (x) varies with time(t) according to the relation : t= [(x)^(1/2) ] +1 Find the work done in moving the body for first 10 seconds
You measure an electric field of 1.32*10^6 N/C at a distance of 0.156m from a point charge. What is the magnitude of the charge
A fighter jet is attempting to land on an aircraft carrier with a runway length of 320m. How far will the jet have to travel before it stops
A 120-V motor has mechanical power output of 2.50 hp. It is 90% efficient in converting power that it takes in by electrical transmission into mechanical power. Find the current in the motor
Physics and Chemistry Found in Vital Signs of Planet Earth
An electromagnetic flowmeter is used to meausre blood flow rates during surgery. Which of the two leads is at the higher potential
Atoms in a solid are in continuous vibrational motion due to thermal energy. find the approximate period of oscillation of a typical atom
A student throws a ball vertically upward such that it travels to its maximun height. what is the ball's average velocity
A wrench is thrown at a speed of 69 mph at a wall that is 70 ft away. How much force does the wall exert on the wrench and in what direction
A speedboat moves on a lake with initial velocity vector v1,x = 8.21 m/s and v1,y = -2.95 m/s, What are the components of the speedboat\'s final velocity, Find the speedboat's final speed
A large balloon of mass 233 kg is filled with helium gas until its volume is 327 m3. Assume the density of air is 1.29 kg/m3, Calculate the buoyant force acting on the balloon
A double slit with d= 0.02 mm is illuminated by a blue laser at 450 nm and a red laser at 650 nm, what is the distance separating the blue and red fringe
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