Physics, 01.08.2019 00:10, batman48000
A1.50-kg iron horseshoe initially at 590°c is dropped into a bucket containing 17.0 kg of water at 24.0°c. what is the final temperature of the water–horseshoe system? ignore the heat capacity of the container and assume a negligible amount of water boils away.
Answers: 3
Physics, 22.06.2019 16:30, xxaurorabluexx
An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. but she does have devices to measure distance and time accurately. she knows her own mass is 77.4 kg , but she is unsure of the mass of a large gas canister in the airless rocket. when this canister is approaching her at 3.50 m/s , she pushes against it, which slows it down to 1.30 m/s (but does not reverse it) and gives her a speed of 2.60 m/s . what is the mass of the canister?
Answers: 1
A1.50-kg iron horseshoe initially at 590°c is dropped into a bucket containing 17.0 kg of water at 2...
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