Find power developed by engine if automobile has efficiency
An automobile having a mass of 2 Mg travels up a 7 degree slope at a constant speed of v=100 km/h. If mechanical friction and wind resistance are neglected, determine the power developed by the engine if the automobile has and efficiency E=0.65.
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One half of the loop is then folded back onto the other half, as indicated in part b of the drawing. Determine the magnitude of the average emf induced in the loop.
The speed of a transverse wave on a string is 479 m/s, while the wavelength is 0.257 m. The amplitude of the wave is 2.06 mm. How much time is required for a particle of the string to move through a total distance of 1.18 km?
On average, 9 babies are born per 24-hour day at a hospital in Indianapolis. a) What is the probability that at least one baby will be born today between 6 am and 6 pm?
What is the velocity (magnitude and direction counterclockwise from the +x-axis, which is the initial horizontal direction in which the rock was thrown) of the rock just before it hits the ground? Find the direction?
If mechanical friction and wind resistance are neglected, determine the power developed by the engine if the automobile has and efficiency E=0.65.
After osillating a litle the plugs settle concentrically with one another another as shown. What must be the relationships between the radii of the tubes.
A room with 3.0 m high ceilings has a metal plate on the floor with V = 0V and a separate metal plate on the ceiling. A 1.0g glass ball charged to +4.9 nC is shot straight up at 5 m/s from the floor level. How high does the ball go if the ceiling
Suppose IQ scores were obtained from randomly selected couples. For 20 such pairs, of people the linear correlation coefficient is 0.799 and the equation of the regression line is ^y=-13.82+0.87x.
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Suppose that a group of researchers would like to explore how we perceive objects in the real world, rather than just in a laboratory
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