Joe wanted to experiment with different factors that affect the freezing rate of water. he put two cups of water into each of two identical glass bowls. next, he stirred sugar into the water in one of the bowls, and he put both bowls in the freezer. he checked their temperatures after one hour, and measured how much water was still liquid in each bowl. what was the variable that changed in this experiment? a. the amount of time each bowl was left in the freezer b. the amount of sugar mixed into each bowl c. the size and shape of each bowl d. the amount of water each bowl contained
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Physics, 22.06.2019 06:00
Which of the following changes will result in a stronger electromagnet? a. using fewer coils of wire b. using a higher voltage c. using a shorter nail d. using a longer wire
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Physics, 22.06.2019 11:00
A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
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Physics, 23.06.2019 02:50
Acharged particle moves in a circular path in a uniform magnetic field.which of the following would increase the period of the particle's motion? check all that apply.increasing its chargeincreasing its massincreasing the field strengthincreasing its speed
Answers: 1
Joe wanted to experiment with different factors that affect the freezing rate of water. he put two c...
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