Which of the following statements are true? Check all that apply.
A. The north pole of a...
Physics, 15.02.2020 03:47 lizdeleon248
Which of the following statements are true? Check all that apply.
A. The north pole of a bar magnet will attract the south pole of another bar magnet.
B. Earth's magnetic south pole is near its geographic north pole.
C. The SI unit of magnetic field is the Couloumb
D. Microscopic currents are responsible for the magnetic fields of permanent magnets.
E. Magnetic filings tend to align with the magnetic field
F. The south poles of two bar magnets will repel each other.
Answers: 2
Physics, 22.06.2019 02:00
Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.
Answers: 2
Physics, 22.06.2019 15:20
Your science teacher brings in a speaker to talk to your class about climate change. during the session, students ask a few questions. which questions are related to the current evidence on climate change
Answers: 3
Physics, 22.06.2019 15:30
Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.
Answers: 2
Physics, 22.06.2019 15:30
This is the number of complete movements of a wave per second.
Answers: 1
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