Physics, 09.02.2022 21:30 teesoprettyy
9
Which of the following describes using a physical change to separate a mixture
A Heating water to be able to dissolve more sugar in it.
B Adding vinegar to baking soda to produce bubbles from a gas.
C Melting a chocolate bar with almonds to remove the almonds.
D Burning wood to produce thermal energy to cook food.
Answers: 3
Physics, 22.06.2019 10:00
Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?
Answers: 1
Physics, 22.06.2019 10:00
There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.
Answers: 1
Physics, 22.06.2019 10:30
Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.
Answers: 1
9
Which of the following describes using a physical change to separate a mixture
A Heating w...
A Heating w...
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