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Question: A 10 kg block of ice has a temperature of -8°C. The pressure is one atmosphere. The block absorbs 4.20 106 J of heat. What is the final temperature of the liquid water?
you need to use a monitor and lightweight cable to lift a 2.0 kg copper weight to a height of 3m. To do so, you've decided to use a 1000V power supply to charge a capacitor, what minimum capacitance do you need
In a playground, there is a small merry-go-round of radius1.20 m and mass 120 kg. Calculate the rotational inertia of themerry-go-round about its axis of rotation
An astronaut on a distant planet wants to determine its acceleration due to gravity. What is the acceleration (magnitude and direction) due to gravity on this planet
Large fossil fuel or nuclear electrical power plants operate most economically when run at full capacity 24 hours a day. Excess electrical energy can be "stored" and recovered by pumping water into a reservoir on top of a mountain and letting it fall..
Suppose a projectile is to be fired from the floor onto a table 1.1 meters high that stands 92 centimeters from the point at which it is fired
A 8.90 kg object oscillates at the end of a vertical spring that has a spring constant of 1.95 multiply.gif 104 N/m. Calculate the frequency of the dampened oscillation
Consider a plane that flies due east on a trip, and then returns due west following the same exact route. Imagine also that there are no winds in each trip. Flying due east, the plane flies with the rotation of the Earth, while flying due west..
As you walked on the moon, the earth's gravity would still pull on you weakly and you would still have an earth weight. How large would that earth weight be
The escape speed from a distant planet is 40 km/s. If theacceleration of gravity on the planet surface is 12.5m/s2, what is the radius of the planet
What is size of the gravitational force on the moon
One afternoon, a couple walks three-fourths of the way around a circular lake, the radius of which is 1.69 km. What is the distance they travel
An elevator is moving upward with an acceleration of 1.7 m/s2. A 60 kg woman is standing on a scale inside. What is the weight of the woman
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