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A car is hauling a 92 kilogram trailer, to which it is connected by a spring. The spring constant is 2300 N/m. The car accelerates with an acceleration of 0.30 m/s2. Obtain how much the spring stenches?
A converging lens with a focal length of 17.9 cm and a diverging lens are placed 26.0 cm apart, with the converging lens on the left. What is the height of the final image
A bicycle has wheels with a diameter of 0.67m. It accelerates uniformly and the rate of rotation of its wheels increases from 191 rpm to 260 rpm in a time of 21.70 s. Find the linear acceleration of the bicycle.
A freezer is used to freeze 5.0 L of water completely into ice. The water and the freezer remain at a constant temperature of T = 0°C. Determine the change in the entropy of the water
Three, 240-ohm resistors can be connected together in four different ways, making combinations of series and/or parallel circuits. what is the net resistance in each case
What is acceleration of the elevator
A 73.6 kg weight-watcher wishes to climb a mountain to work off the equivalent of a large piece of chocolate cake rated at 514 (food) Calories. How high must the person climb
A boy kicks a football with an initial velocity of 28.0 m/s at an angle of 30.00 above the horizontal. What is the highest elevation reached by the football
A loop of wirein the plane of the floor has a clockwise current of 7.78A. The radius of the loop is 19.7cm. Use the Biot SavartLaw to calculate the magnetic field at the center of the loop. What is the directionof the magnetic field at the center? Ex..
a cylinder has an inner radius of 3.50 cm and a height of 58 cm and is filled water. What is the volume of water and what is the mass of the water
The forward airspeed of an airplane is 75.0 m/s, and an airplane propeller turns at 2400 rpm. What is the maximum possible propeller radius
In a discussion person A is talking 1.6 dB louder than person B, and person C is talking 3.3 dB louder than person A. What is the ratio of the sound intensity of person C to the sound intensity of person B?
A jetliner is moving at a speed of 274 m/s. The vertical component of the plane's velocity is 54.0 m/s. Conclude the magnitude of the horizontal component of plane's velocity.
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