Question: I NEED HELP QUICKLY!!1) I put a cold marshmallow into my hot chocolate in a thermos.A) what do you predict will happen to the temperatures

I NEED HELP QUICKLY!!1) I put a cold marshmallow into my hot chocolate in a thermos.A) what do you predict will happen to the temperatures of the marshmallow and the hot chocolate?B) how does this example show conservation of energy?C) how is this an example of an isolated system?2) GIVE AN EXAMPLE OF EACH OF THESE!:A) kinetic energy is transformed into potential energyB) radiation C) electric energy is transformed into heat energyD) conduction 3)

Question 17 (4 points) At'the start of a roller coaster, your cart is lifted 100 m above the ground. The weight of this cart by itself is 60 N. a) Calculate the amount of work that the roller coaster motor needs to do. b) Explain why using a ramp rather than lifting the cart straight up means that the roller coaster would require less force to go to the top of a hill

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