Give 3 examples to show work being done.
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-- Pick up a book from off the table.
-- Push a crate along the floor.
-- Roll a ball up a ramp.
-- Drop a rock off a cliff into the water.
(Gravity does the work in this one.)
2. Try to solve the answer
3. Then write the answer down
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4. What relationship between gravitationalforce and distance is shown in the graphabove? (A) decreases; decreases(B)decreases; stays the same(C) increases; decreases(D) increases; stays the same
A 7.00-kg bowling ball from a 2.00-m shelf. Just before hitting the floor, what will be it’s kinetic energy?
The space shuttle is located exactly half way between the earth and the moon. Which statement is true regarding the gravitational pull on the shuttle? (a)The moon pulls more on the shuttle. (b)The earth pulls more on the shuttle. (c)Both are equal due to equal distances.(d)Both are equal due to the mass of the shuttle.
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Answer:
B and D
High Accuracy
Low precision
Explanation:
Its attached below!
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Ah hah ! The two questions on this page are checking to see
if you understand what "net force" means.
Remember that "net force" means the result of adding up the
strength and direction of a group of separate forces.
Also remember that if the net force is not zero, then the object
accelerates in the direction of the net force.
-- Forces 'B' and 'D' both act horizontally on the airplane.
Force-'D' tries to pull it forward, and force-'B' tries to pull it
backward. The airplane is moving forward faster and faster.
This tells us that the net horizontal force on it must point forward.
So force-D must be stronger than force-B.
-- Forces 'A' and 'C' both act vertically on the airplane.
Force-A tries to pull it up, and force-C tries to pull it down.
At the moment of take-off, the airplane lifts off from the ground
and rises up and up. This tells us that the net vertical force on it
must point up. So force-A must be stronger than force-C.
Kinetic energy and temperature decrease; thermal energy increases.
B.
Kinetic energy, temperature, and thermal energy decrease.
C.
Kinetic energy and temperature increase; thermal energy decreases.
D.
Kinetic energy, temperature, and thermal energy increase.
i think its D, but im not sure.
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revolution of Earth around the Sun
Earth’s elliptical orbit in space
moon’s orbit around Earth
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The movement causes day and night on Earth is the rotation of Earth.
What is rotation?
The rotation is the spinning around of an object about its own axis passing through the center.
When the Earth rotates about its own axis, the rotation completes in 24 hours. This causes the day to night and night to day. When the part of Earth is in front of Sun, there is day. But, when the same part of Earth goes away from the Sun, the sunset occurs and then eventually night occurs.
Thus, the movement causes day and night on Earth is the rotation of Earth.
Learn more about rotation.
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The movement that causes day and night on Earth is the rotation of the earth on its axis, which is in option a as the earth rotates from west to east, completing one full rotation in approximately 24 hours.
As the Earth rotates, the side facing the sun experiences daylight, while the opposite side facing away from the sun experiences nighttime. This rotation creates the cycle of day and night that we observe on Earth. The other movements mentioned, such as the revolution of Earth around the Sun, Earth's elliptical orbit in space, and the moon's orbit around Earth, are not directly responsible for causing day and night.
Learn more about the earth's rotation here.
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Hello!
The answer is: 960 East feet.
Why?
We need to apply the following formula:
and
So, by substituting we have:
Have a nice day!