Which of the following is not an example of a physical change?
a
cutting a piece of string in...
Physics, 02.10.2020 16:01 sciencecreation87
Which of the following is not an example of a physical change?
a
cutting a piece of string in half
b
crumpling a piece of paper into a ball
c
freezing water into an ice cube
d
letting your food in your lunch box rot in your locker
Answers: 2
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During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.
Answers: 2
Physics, 23.06.2019 00:00
You can estimate the degree to which a bond between two atoms is ionic or covalent by calculating the
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