A liquid has a specific gravity of 0.68. What is its density?

A)

680 kg/m3

B)

1360 kg/m3

C)

1000 kg/m3

D)

6800 kg/m3


A

Physics & Space Science

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A 10.0-m-long copper wire with cross-sectional area 1.25 × 10^–4 m2 is bent into a square loop, and then connected to a 0.25-V battery. The loop is then placed in a uniform magnetic field of magnitude 0.19 T. What is the maximum torque that can act on this loop? The resistivity of copper is 1.70 × 10^–8 ?·m

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A ball is thrown straight up in the air. At what position is its kinetic energy a maximum? At what position is the gravitational potential energy of the ball-Earth system a maximum? Consider only the trip up

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A device that measures absolute air pressure is called a barometer

Indicate whether the statement is true or false

Physics & Space Science