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Two resistors, A and B, are connected in parallel across a 9.0 V battery. The current through B is found to be 1.0 A. When the two resistors are connected in series to the 9.0 V battery, a voltmeter connected across resistor A measures a voltage of 2.0 V. Find the resistances A and B.
A 1500-kg car moving east at 28.00m/s collides with a 1720 kg car moving south at 15 m/s and the two cars stick together.
A heat engine is composed of of a monatomic ideal gas which runs in the following cycle, What is the efficiency of this heat engine and What is the temperature at point B
A particular satellite was placed in a circular orbit about 145 mi above Earth. Determine the time required for one complete revolution
Two narrow, parallel slits separated by 0.200 mm are illuminated by green light (? = 546.1 nm). Calculate the distance between the first and second dark bands
A pendulum, consisting of a ball of mass m on a light string of length 1.00 m, is swung back to a 45° angle and released from rest. What is the block's speed after the collision
A ray of light consisting of two colors (red and blue) is incident normally on the face of a small equilateral prism. What is the distance between the two colors on the screen
A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 46 dB by an observer 10 km away. What is the average power generated by the horn
You are driving into St. Louis, Missouri, and in the distance you see the famous Gateway-to-the-West arch. This monument rises to a height of 192 m. You estimate your line of sight with the top of the arch to be 4.5° above the horizontal. Approxim..
An ideal gas is enclosed in a cylinder that has a moveable piston on top. The piston has a mass of 6200 g and an area of 5 cm2 and is free to slide up and down.
A rare isotope facility produces a beam of 7.11E5 nuclei per second of a rare isotope with mass 6.43E26 kg. What is the magnitude of the average force that this beam exerts on the beam stop
A 2kg box slides along a frictionless surface with a speed of 15m/s and approaches a horizontal spring with a spring constant of 2000N/m. If one end is fixed, How far will the spring compress in stopping the box
A spring has a spring constant = 40 N/m. It is compressed by a distance 10 cm. calculate Distance along the track to which the cart travels
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