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You want to construct a simple pendulum with a period of 2 seconds.
a) What length should it have?
b) If you take your pendulum to the Moon, where the acceleration due to gravity on the Moon's surface is only one-sixth that on the Earth, what would be the new period of your pendulum?
A man is riding on a flatcar traveling at a constant speed of 9.10, When the ball leaves the man's hands, what is the direction of its velocity relative to the frame of reference of the flatcar
Julie drives 100 mi to Grandmother's house. On the way to Grandmother's, Julie drives half the distance at 44.0mph and half the distance at 65.0. What is her average speed on the return trip
calculate the net percent value of these costs and benefits of an information system. Also calculate the overall return on investment of the project and then percent a break even analysis.
A 160 lb person has a mass of 160/32 = 5 slugs. A 160 lb person steps into an elevator and stands on a bathroom scale. Determine the scale reading for the given scenarios
What is the angular separation of two spectral lines of wavelengths 446 nm and 398 nm formed in order m=2 with a 360 line/mm grating
A tightrope walker is practicing. She is balanced on a rope at the exact midpoint of the rope. What angle with the horizontal does it make
A space station in the forf of a large wheel, 129m in diameter, rotates to provide an "artificial gravity" of 6.10 m/s^2 for people located at the outer rim.
q. a small block with a mass of 0.170 kg is attached to a cord passing through the hole in a frictionless horizontal
Joe, standing stationary on a beach, sees a small boat of mass M = 195 kg go by at constant speed V = 13.1 m/s. Tom, a man of mass m = 88.5 kg, Find the speed of the boat v, relative to Joe
A 6.4g lead bullet traveling at 460m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet while the other half is transmitted to the tree, what is the increase in te..
The intensity of the sound wave from a jet airplane as it is taking off is 114 W/m2 at a distance of 4.3 m. What is the intensity of the sound wave
An airplane is flying with a velocity of 90 at an angle of 22 above the horizontal. When the plane is a distance 122 directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.
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