Physics, 26.05.2020 13:57, 072067

Why aren’t mineral deposits harvested from deep water?

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Physics, 21.06.2019 19:30, sariyamcgregor66321

Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies. molten iron has a density of 7.0g/cm cubed. in its solid state, iron has a density of 8.0g/cm cubed.

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Physics, 22.06.2019 05:30, 444x4gang4

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

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Physics, 22.06.2019 09:00, perezsamantha3oqr0za

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy

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Physics, 22.06.2019 09:00, edgarsandoval60

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.