What is the velocity of the cars
A 1500-kg car moving east at 20 m/s collides with a 1600-kg car moving south at 15 m/s and the two cars stick together.
What is the velocity of the cars right after the collision?
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Bernoulli"s principle provides lift to airplane wings and soaring birds. You might want to ask about this one in class. How does Bernoullis principle apply to the flight of airplanes?
A 500.0 g sample of water at 90 degrees C is mixed with 500.0 g of water at 30.0 degrees C. What is the final temperature of the mixture?
It has been suggested that rotating cylinders about 12 mi long and 5.1 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall a
A jogger jogs around a circular track with a diameter of 275 m in 12 minutes. What was the jogger's average speed in m/s?
A 1500-kg car moving east at 20 m/s collides with a 1600-kg car moving south at 15 m/s and the two cars stick together. What is the velocity of the cars right after the collision?
What are three social psychological phenomena or processes that can be explained by one of the five core social motives. How can they be explained by this social motive, and how do they relate to one another?
A slide loving pig slides down a 35° incline (Fig. 6-24) in twice the time it would take to slide down a frictionless 35° incline. What is the coefficient of kinetic friction between the pig and the slide?
If the velocity of the water is vo, and it reflects backward from the surfboard with the same speed, what velocity is required to lift up the surfer?
The speeds of the electrons are quite large, and for accurate calculations of the speeds, the effects of special relativity must be taken into account. Ignoring such effects, find the electron speed just before the electron strikes the screen.
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