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Deacon Erickson
A man is sitting on a 20 m height building and his mass is 50 kg. Calculate the mechanical energy.
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Preston Warren
Which of the following correctly describes which types of waves travel through which types of mediums?

A) Transverse waves travel through solids, liquids, and gases. Longitudinal waves only travel through

solids

B) Longitudinal waves travel through solids, liquids, and gases, Transverse waves only travel through

solids

C) Transverse waves travel through solids, liquids, and gases, Longitudinal waves only travel through

liquids

D) Longitudinal waves travel through solids, liquids, and gases. Transverse waves only travel through

liquids
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Lorenzo Wood
Niko was hiking in the mountains when he found a spring, or a place where water naturally flows out of the ground. Where did the water in the spring come from?

A.

It is water that was squeezed out of an igneous rock when the rock changed.

B.

It is water that was produced by organisms living underground.

C.

It is water that condensed underground when the soil became colder during the winter.

D.

It is precipitation that fell on the ground and seeped down to a layer of rock.
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Guillermo
Is mount st. Helen still active today
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Anton Gates
When a pendulum swings if not continuously pushed it will stop eventually because some of its energy is changef into what energy
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Kenya Mullins
How does a car's kinetic energy change when it speeds up from 10 to 20 m/s? a. It quadruples. b. It stays the same. c. It doubles. d. It triples.
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Jade Arroyo
A boulder on the mythical planet mongo drops off a cliff and falls from rest 1000 m in 10.0 s. (A) what's the initial speed of the Boulder?

(B) determine the acceleration due to gravity on mongo. Ignore friction.
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Alisha Deleon
The half-life of carbon-14 is 5730 years. How long will it take for the number of

carbon-14 nuclei in a sample to drop to a quarter of the original number?

Enter your answer as a number

years
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Browning
Which object has more thermal energy a bowl of soup or pot of soup
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Jaida Sloan
When you look into a clear pond, a fish may appear to be in a different position than it actually is. What is this caused by?

A. diffraction

B. dispersion

C. refraction

D. reflection,
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Juliet
How long would it take to drive to alpha centauri (4.4 light-years away) ?
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Heather Guerrero
A type of fault where the hanging wall slides upward
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Alexandria Reynolds
How was dyslexia treated in the past and how is dyslexia treated today?
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Zachariah Gross
The work of Charles Kuen Kao is likely to have been most influenced by the work of which of the following scientists?

A. Galileo Galilei

B. Christian Doppler

C. Sir Isaac Newton

D. Ibn al-Haytham
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Cael
Suppose a car is moving in a straight line and steadily increases its speed. It moves from 35 km/h to 40 km/h the first second and from 40 km/h to 45 km/h the next second. What is the car acceleration?
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