The right answer for the question that is being asked and shown above is that: "D. 1,254.4 meters." A stone falls from a ledge and takes 8 seconds to hit the ground. The stone has an original velocity of 0 m/s. The ledge has the height of <span>D. 1,254.4 meters</span>
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The answer is the following:
Rapid energy transfer between Potential and Kinetic energy makes roller coasters thrilling.
Potential Energy is the energy related to the vertical position of the roller coaster cart. When it is at the highest point, the Potential Energy is at a maximum.
Kinetic Energy is the energy related to the speed of the roller coaster cart. When the cart is at the highest point, the kinetic energy is at a minimum, but as it begins to go down, the Potential Energy is transformed into Kinetic Energy, making the cart to increase its speed and making it a thrilling experience.
Answer:
Universe, Galaxy, Sun.
Explanation:
The universe is everything. It contains billions of galaxies.
A galaxy, such as our Milky Way Galaxy, is a collection of solar systems orbiting around a central core. Most galaxies have a supermassive black hole at their centres.
Then the sun smallest.
Answer:
The net force should be of a magnitude of 64 N
Explanation:
We use Newton's second Law for this:
which for our case gives:
