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A simple pendulum of length(L) 0.850m has a mass(M) of 0.200kg. find the tension of the string when it is at an angle of 12.5. As well as find the component of the weight of M that is directed along the arc of the motion of M. Finally is the length is unchanged but the mass is equal to 0.500kg find the period T of the pendulum that is independent of the angle.
What is the stopping distance of the car. What is the initial (horizontal) velocity of the ball.
An electric wire that has a mass of 5 kg for a 20m length is strung between two poles 20 m apart. What should be the tension in the wire if it is to take 0.8 seconds for a pulse to travel along the wire from one pole to the other.
If the initial temperature of the horseshoe is 450 °C, and the initial temperature of the water is 45° C, what is the equilibrium temperature of the system? Presume no heat is exchanged with the surroundings.
what is the maximum head-start distance the speeder can have? Measure time from the moment the police car starts.
A space traveler weighs 565 N on earth. What will the traveler weigh on another planet whose radius is 3 times that of earth and whose mass is twice that of earth.
A dolphin leaps out of the water at the angle of 46° above the horizontal. The horizontal component of the dolphin's velocity is 9.40 m/s. Find out the magnitude of the vertical component of velocity.
What must be the value of the putty mass m so that the amplitude after the collision is one-half the original amplitude.
An 86kg man drops from rest on a diving board 3.0m above the surface of the water and comes to rest 0.55s after reaching water. What is the net force on the diver as he is brought to rest.
Estimate mean and maximum velocities for a liquid
An electron librated from a hot filament cathode is attracted by an anode with a potential of 1200V positive with respect to the filament. Compute the speed of the electron when it strikes anode.
Compute the x-coordinate of the center of mass XCM. Suppose that the mass of the rod is small enough to be ignored in your calculation. Your answers must be accurate to within 0.1 cm.
What minimum constant acceleration does this need if the aircraft is to be airborne after a takeoff run of 250 m.
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