The formula is G=mass(1)x mass(2)
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6.67x10x-11
note that 10x-11 is in standard form but i could not write it. It is 10 raised to power negative 11
Answer:
the time required for the sound to travel between the whales 0.66 S.
Explanation:
As given in the problem, the velocity of sound wave () is governed by the equation
Given, and
So for salt water, the velocity of sound wave () can be written as
As the whales are d = 1 Km or 1000 m apart from each other, so the time () required for the sound wave to travel this distance is given by
Answer:
Compasses are mainly used in navigation to find direction on the earth. This works because the Earth itself has a magnetic field which is similar to that of a bar magnet. The compass needle aligns with the Earth's magnetic field direction and points north-south. Also, In a magnet all the domains are oriented in the same direction. In the case of a nail, the domains can be aligned in the same direction causing the nail to become magnetic. That is because if you hang a bar magnet from a thread, the north pole will point to magnetic north. When you bring one north pole close to another north pole they repel each other. You can feel the two magnets pushing each other apart.
Answer:
trail mix, soup, and gold
hope this helps
have a good day :)
Explanation:
Explanation:
<h2>potential energy formula is 1/2 mv2(this 2 is square).</h2>
m means mass and v means velocity.
now, you can calculate