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A solid weighs 277.5 g in air and 212.5 g when totally immersed in the liquid of density 0.9 g / cc. Calculate the density of the solid.
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Hudson Rangel
Who first described the double-helix structure of DNA?
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Kyle Schaefer
Suppose you are holding a basketball while standing still on a skateboard you are and the skateboard have a mass of 50 kg you throw the basketball with a force of 10 N what is your acceleration before and after you throw the ball
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Jean Mcclure
Which nitrogen base sequence is the partner of C-A-T-C-G-A?

O C-A-T-C-G-A

O G-T-A-G-C-T

OT-G-C-T-A-G

O G-C-A-T-G-T

TI
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Amaris Ritter
What is the kind of energy that comes from movement?
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Mya Stanton
The average kinetic energy of 1 mole of a gas at 273 degrees Celsius is:

6.81 x 103 J

3.40 x 103 J

1.51 x 103 J

6.72 x 101 J
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Carlos Preston
Which one of the following crystal structures has the fewest slip directions and therefore the metals with this structure are generally more difficult to deform at room temperature?

a. BCC

b. FCC

c. HCP

d. BCT
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Juan Crane
To rid the body of wastes, including excess water and salts" is the purpose of what human body system? A) Digestive B) Excretory C) Skeletal D) Nervous
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Big Bird
What's the transmission of heat requiring the movement of a liquid or a gas is?
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Malik
Wich section of a business plan should come first but be written last?
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Terrell Harrington
Lemonade powder is stirred into water until it dissolves. Which are true statements?

Check all that apply.

A. Lemonade is the solute.

B. Water is the solvent.

C. Lemonade is the solvent.

D. Water is the solute.
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Smoke
Nikolas, the fire extinguisher, and the skateboard have a combined mass of 50 kg. What force would the fire extinguisher have to produce to propel Nikolas if he wanted to accelerate at a rate of 1.2 m/s2? Round your answer to the nearest whole newton. 60 N
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Kendal Ortiz
A set of data is collected from a simple circuit with a 20 resistor and is represented in the table
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Mariah Baird
A skydiver of mass m jumps from a hot air balloon and falls a distance d before reaching a terminal velocity of magnitude v. Assume that the magnitude of the acceleration due to gravity is g.

a. What is the work (Wd) done on the skydiver, over the distance, by the drag force of the air?

b. Find the power (P d) supplied by the drag force after the skydiver has reached terminal velocity v.
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Bryan Franklin
8. What happens to force when mass is increased?
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