What mass of water has collected in the car
A 4603.24 kg open train car is rolling on frictionless rails at 24.04 m/s when it starts pouring rain. A few minutes later, the car's speed is 18.61 m/s. What mass of water has collected in the car?
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A concave mirror has a focal length of 25.5cm. The distance between an object and its image is 46.6cm. Find (a) object and (b) image distance assuming that the object lies beyond the center of curvature.
The time needed to complete a final examination in a particular college course is normally distributed with a mean of 79 minutes and a standard deviation of 8 minutes. Answer the following questions. What is the probability of completing the exam
Determine the final temperature in both tanks if a valve connecting the two tanks is opened and the mass equalized (mf1=mf2) very quickly then closed again.
A small, 98.2 g cart is moving at 1.01 m/s on an air track when it collides with a larger, 1.15 kg cart at rest. After the collision, the small cart recoils at 0.78 m/s. What is the speed of the large cart after the collision?
A 296 g bird flying along at 6.57 m/s sees a 8.8 g insect heading straight toward it with a speed of 34.87 m/s. The bird opens its mouth wide and enjoys a nice lunch. What is the bird's speed immediately after swallowing?
Listed below are the lengths (in minutes) of randomly selected CDs of country, rock, and movie soundtracks. Construct a 94% confidence interval for the mean length of all such CDs. Construct a 94% confidence interval for the mean length of all suc
A 22.75 g ball of clay traveling east at 2.85 m/s collides with a 36.02 g ball of clay traveling north at 2.41 m/s. What is the speed of the resulting 58.77 g ball of clay?
Evaluate the following: a)the mass of air inside the ball the pressure of the air inside the ball just when play begins.
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