The graph shows the kinetic energy of both a school bus and a pickup truck as they move at various speeds. Under which of the following conditions can the pickup truck have more kinetic energy than the school bus?
The pickup truck is moving at 1 m/s and the school bus is moving at 2 m/s. The pickup truck is moving at 4 m/s and the school bus is moving at 2 m/s.
The pickup truck is moving at 2 m/s and the school bus is moving at 3 m/s.
The pickup truck is moving at 4 m/s and the school bus is moving at 3 m/s.
Answers
The correct answer is B. The pickup truck is moving at 4 m/s and the school bus is moving at 2 m/s.
Explanation:
The kinetic energy is related to how fast a body moves (speed), as well as, the amount of matter in the object (mass). Due to this, even if the bus and the truck move at the same speed they do not have the same kinetic energy. Indeed, the graph shows in general the kinetic energy is higher for the school bus.
However, this does not occur if the truck moves at 4 m/s and the bus moves at 2m/s because, at this speed, the kinetic energy of the truck is 30 kilojoules, while the kinetic energy of the bus is around 15 kilojoules, which is lower. According to this, the correct answer is B.
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Which of the following explains why a hog farmer might NOT want to be involved with a vertically integrated company?
The farmer wants to maintain the ability to sell on an open market.
The farmer wants to avoid having to monitor the open market prices.
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Dwight found a buried treasure with 4,023,743 pennies in it. (He counted twice to make sure.) Each penny weighs 3 grams. Dwight can carry up to 75 lbs. (even though he tells people he can carry much more). His 8 cousins can each carry 75 lbs as well. How many trips will he and his cousins need to make to carry all his money home?
Answers
Answer:
Number of trip = 39 trips (Approx)
Given:
Number of coins = 4,023,743 pennies
Weight of each coin = 3 grams
Each on carry weight = 75 lbs
Total number of people = 8 + 1 = 9
Find:
Number of trip
Computation:
Total weight of coin = 4,023,743 × 3
Total weight of coin = 12,071,229 gram
1 lbs = 453.529 gram
Total weight of coin = 12,071,229 / 453.529
Total weight of coin = 26,616.223 lbs
Total weight carry in each trip = Total number of people × Each on carry weight
Total weight carry in each trip = 9 × 75 lbs
Total weight carry in each trip = 675 lbs
Number of trip = 26,616.223 lbs / 675
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False
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Answer:
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Explanation:
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Answer:
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Answer:
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HELP FOR AP COMP> ANGELA'S ASHES!!!!!!!!!!!!!!!!!!!!!!!
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Answer:
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Answer:
C. The butcher lied and said he was out of ham and geese.
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Answer:
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How does Mr. O'Neill from Leamy's school "motivate" his students? A. If they learn their lessons, he lets them leave school 10 minutes early. B. He peels an apple in front of the class, and if they don't know the answers to his questions, he throws the apple peel in the wastebasket. C. If his students can't answer the questions, he won't let them eat their meager lunches. D. If the students don't know the answer, he stands them in front of the class and lets the other students throw shoes at them. E. If they learn their lessons, he invites their families to dinner at his house.
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Answer:
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Cheers
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Found this:
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Kristi has been training as a ballet dancer since she was very young. When Kristi’s car is hit by another motorist, she is diagnosed with mild trauma to the area in the back of her brain. Kristi tries to dance again soon after her accident but has a great deal of trouble maintaining her balance.
Explain how each of the following concepts applies to Kristi’s current situation.
Cerebellum:
Magnetic resonance imaging (MRI):
Neuroplasticity:
Answers
Answer:
The Cerebellum is the area of the brain that is also accountable for balance, coordination and vocal expression, among other things, such as receiving signals from the main parts of the central nervous system, such as the spinal cord.
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Magnetic resonance (MRI) imaging:
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Neuroplasticity
This is one of the functions of the neural system of the brain. It has the ability to turn or modify its skills and functions by creating and reorganizing nerve cells in order to compensate for the effects of injuries or diseases.
Children are known to have more Neuroplasticity abilities than adults. If Kristi is still very young, chances are that she will recover with moderate or no treatments at all.
Cheers.
The way that the concepts apply to Kristi’s current situation is explained below:
Cerebellum: It can be found at the back of one's brain. It is the part of the brain that's responsible for balancing. Since she had an accident, it'll be hard for her to maintain her balance till she gets healed completely.
Magnetic resonance imagining; This is vital for the formation of pictures. In this case, since she had an accident, this instrument can be used in checking her brain and taking necessary pictures.
Neuroplasticity: It means that the brain can be able to rewire itself in order to respond to an experience or stimuli.
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