Why is the earth's surface warmer than the surface of other planets, like mars?
a. the earth'...
Physics, 30.10.2019 10:31 dominicanaaa
Why is the earth's surface warmer than the surface of other planets, like mars?
a. the earth's atmosphere releases heat.
b. the earth's surface receives less energy from the sun's rays.
c. the earth's rotation transfers energy more evenly.
d. the earth's atmosphere traps heat.
Answers: 2
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How does the amount of energy required to hold each proton and neutron in the nucleus compare to the energy released when they are removed?
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How is the gravitational force related to the distance between two objects?
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Physics, 22.06.2019 11:00, kayla65u
I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.
Answers: 1
Physics, 22.06.2019 18:30, breiajr
Aballoon is rising vertically upwards at a velocity of 10m/s. when it is at a height of 45m from the ground, a parachute bails out from it. after 3s he opens his parachute and decelerates ata a constant rate 5m/s. when. (a) what was the height of the parachutist above the ground when he opened his parachute? (b)how far is the parachutist from the balloon at t=3s? (c)with what velocity does the parachutist hit the ground? (d)after how long does the parachutist hit the ground after his exist from the balloon?
Answers: 3
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