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A 0.51 kg mass vibrates according to the equation x = 0.43 cos 8.37t, where x is in meters, and t is in seconds. (a) Determine the amplitude. m (b) Determine the frequency. Hz (c) Determine the total energy. J (d) Determine the kinetic energy and potential energy when x = 0.33 m. kinetic energy J potential energy J
A car of mass 1286.6 kg is moving at a speed of 67.6 mph when it misses a curve in the road and hits a bridge piling, how much average power (in watts) is expended in this interval
Glenn starts his day by walking around a circular track with radius 48 m for 15 minutes. what is his angular position with respect to where he starts
A negative charge orbits a positive charge. The orbit is a perfect circle, What is the period of the orbit of the negative charge
A train engineer blows a whistle that has a frequecy of 4.0 X 10^2 hz as the train approaches a station. if the speed of the train id 25 m/s, what frequency will be heard by a person at station.
Now a peg is placed 4/5 of the way down the pendulum's path so that when the mass falls to its vertical position it hits and wraps around the peg. As it wraps around the peg and attains its maximum height it ends a distance of 3/5 L below its startin..
The coefficient of static friction is .6 and the ladder makes a 50 degree angle with the ground. Elucidate how far up the ladder can an 800 newton person climb before starts to slip
A 5 mC charge is located 1.8 m away from another charge. If the force between the charges is 5.0 N, what is the magnitude of the other charge
A concave mirror forms a real image which is twice the size of the object. calculate the radius of curvature of the mirror
A small light cylinder and a large heavy cylinder are released at the same time and roll down a ramp without slipping. Which one reaches the bottom first
A 300 kg piano slides 4.50 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.40.
A quarter, having a radius of 1 cm. and a thickness of 1.3 mm., is placed in a uniform E field of 6300 N./C. What is the net positive charge on one of the faces of the coin
A simple circuit is set up that only consists of a 12 V battery connected to a light bulb with a resistance of 4 Ohms. What current flows through the light bulb
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