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Physics, 21.06.2019 19:00
When the velocity of an object is doubled, by what factor is its momentum changed? by what factor is its kinetic energy changed? a) the momentum is zero. b) the momentum is not zero. c) difficult to say.
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Physics, 22.06.2019 04:00
It can take some of those large , industrial vehicles up to feet to stop when traveling only 60 mph, and therefore , you shoukd be mindful to not be jn the traffic right in front of them a. 100 feet b. 200 feet c. 335 feet d. 425 feet
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Physics, 22.06.2019 21:00
What is the efficiency of an engine that does 80 j of work and exhausts 320 j of heat while taking in 400 j of heat ? a. 10% b. 20% c. 80% d. 25%
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Physics, 22.06.2019 22:00
On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2. a. 9.5 m b. 11.9 m c. 15.2 m d. 23.8 m
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Computers and Technology, 25.06.2019 18:30
Mathematics, 25.06.2019 18:30
Computers and Technology, 25.06.2019 18:30
Health, 25.06.2019 18:30
Biology, 25.06.2019 18:30
English, 25.06.2019 18:30
Mathematics, 25.06.2019 18:30
English, 25.06.2019 18:30
Mathematics, 25.06.2019 18:30
Mathematics, 25.06.2019 18:30