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Physics, 23.06.2019 14:00
Write the formula for average velocity a car travels a distance of 50 km in 5 hours and returns travelling the same distance in 6 hours calculate the average velocity of the car
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Physics, 23.06.2019 14:30
Two balls, each with a mass of 0.5 kg, collide on a pool table. is the law of conservation of momentum satisfied in this collision? explain why or why not.
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Physics, 23.06.2019 23:00
Astudent in a science lab is investigating heat transfer and thermal energy conservation as she mixes hot and cold water.she first measures out her desired amount of cold water into a styrofoam cup. she then measures out hot water from the faucet or from a pot hot water on her stove. after she measures the temperature of the hot and cold waters, she pours the hot water into the cold water. she monitors the temperature of the mixed waters and records the final temperature. she uses a standard thermometer to record the temperatures. she does three trials, which are shown below:
Answers: 1
The graph at the right shows the force needed to pull a bow back as the string is pulled further and...
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