Physics, 30.08.2019 23:30 nsankey8032

How do we know the universe is a closed system?

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Physics, 21.06.2019 18:10, Alexmills6093

Keneila is attempting to ski down a 20 m high friction free hill for the first time. she has a speed 10 m/s at the top. what is her kinetic energy when she is a the bottom, 20 m ? (a)2500 j (b)9800 j (c)12300 j (d)3100j (e)15000j

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Physics, 21.06.2019 23:00, POOPINgligma

Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?

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Physics, 22.06.2019 04:00, NateTheBeast12

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 09:00, jaeana

Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy