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Steam at 100°C is added to ice at 0°C.
(a) Find the amount of ice melted and the final temperature when the mass of steam is 14 g and the mass of ice is 51 g. g °C
(b) Repeat with steam of mass 2.4 g and ice of mass 51 g. g °C.
When 22.9 J was added as heat to a particular ideal gas, the volume of the gas changed from 54.3 cm3 to 100 cm3 while the pressure remained at 1.00 atm. By how much did the internal energy of the gas increase
A car with an initial speed of 10.7 m/s accelerates at a uniform rate of 0.92 m/s squared for 3.6 s. find the final speed and displacement of the car
A 18kg child slides down a 2.5m -high playground slide. She starts from rest, and her speed at the bottom is 1.8m/s. What is the change in the thermal energy of the slide
Consider a spring of stiffness k and mass m. If we stretch - simultaneously - both ends of the spring by force F1 and F2. What will be the elongation of the spring
A plane flies 429 km east from city A to city B in 45.0 min and then 969 km south from city B to city C in 1.40 h, find its average speed (in km/h)
As a function of time, the velocity of the football can be written as . (If the acceleration of an object is constant, find the average acceleration vector of the football
You have a small electromagnet that consumes 300 W from a residential circuit delivering 120 V at 60.0 Hz. find the internal resistance of the electromagnet
Determine the same situation, but now let the initial speed v0 of the first ball be given and treat the height h of the building as an unknown. What should the height of the building be for both balls to reach the ground at the same time for v0= 8..
A spacecraft flies in the horizontal direction at a speed of v=0.980c, What is the slope angle to an astronaut on the spacecraft
questionyou might agree with me that policy deployment and project portfolio management ppm go hand-in-hand. at
A diver observes a bubble of air rising from the bottom of a lake to the surface, What is the ratio of the volume of the bubble as it reaches the surface to its volume at the bottom
A helicopter is ascending vertically with a speed of 5.02m/s. At a height of 140m above the Earth, a package is dropped from the window. How much time does it take for the package to reach ground.
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