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A 100 g ice cube at -10° C is placed in an aluminum cup whose initial temperature is 70° C. The system comes to an equilibrium temperature of 20° C. What is the mass of the cup?
500 mL of a liquid with a coefficient of volume expansion of 267x10-6/oC fills to the brim a container that has a coefficient of volume expansion of 99x10-6/oC. how much of the liquid will overflow the container
A model rocket is launched straight upward. Its altitude y as a function of time is given by y = bt -ct2, where b = 82 m/s, c = 4.9 m/s2, t is the time in seconds, and y is in meters, (a) make use of differentiation to find out a general expressio..
A tennis ball is hit straight up at 25 m/s from the edge of a sheer cliff. Some time later, the ball passes the original height from which it was hit, What total distance did the ball travel
A force of 250N is applied to a hydraulic jack piston wth a0.1m diameter. If the output piston, which supports the load,has a diameter of .5m, how much weight can be lifted
Insects do not have lungs as we do, nor do they breathe through their mouths. Instead, they have a system of tiny tubes, called tracheae, through which oxygen diffuses into their bodies. find the oxygen concentration at the interior end of the tube
A 2.50g bullet, travelling at a speed of 395m/s, strikes the wooden block of a ballistic pendulum. The block has the mass of 265g. How high does the combination rise above its initial position.
If you are standing on the equator, what's your speed caused by earth's rotation about its axis
The index of refraction of crown glass for red light is 1.51, while for blue light it is 1.531. Find the angle of refraction for blue light
An object undergoing simple harmonic motion takes 0.34 s to travel from one point of zero velocity to the next such point. The distance between those points is 40 cm. Calculate the frequency of the motion
the numerical value of the angular velocity of rotation of the earth should be rads in order to make the effective
A ball is released at the bottom of a container of liquid. The ball rises upward, pops out of the liquid and reaches a height of 20 cm, Calculate the velocity of the ball when it leaves the liquid
A student is skateboarding down a ramp that is 6.0m long andinclined at 18 degrees with respect to the horizontal. find the speed at the bottom of the ramp
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