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Yair
Physics
What are the products of a fission reaction? Check all that apply. lighter atoms energy heavier atoms neutrons protons
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Tessa Gordon
Physics
A stream of air flowing at 20 liters/min with P = 0.20 MPa and T = 400 K is mixed with a stream ofmethane flowing at 5 liters/min with P = 0.20 MPa and T = 300 K. The combined gas stream exitingthe mixer is at P = 0.10 MPa and T = 370 K. What is the volumetric flow rate and composition of theexiting gas stream?
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Davian Conway
Physics
Margy is trying to improve her cardio endurance by performing an exercise in which she alternates walking and running 100.0 m each. If Margy is walking at 1.4 m/s and accelerates at 0.20 m/s2 during one of the running portions, what is her final velocity at the end of the 100.0 m? Round your answer to the nearest tenth.
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Samuel Benton
Physics
How can you remember meiosis 1 and meiosis 2
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Marco Hays
Physics
What is the dierence between a mechanical wave and an electromagnetic wave?
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Charlee Thornton
Physics
Why are endospores used to measure the effectiveness of autoclave sterilization?
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Cory Herman
Physics
Alkaline batteries have the advantage of putting out constant voltage until very nearly the end of their life. How long will an alkaline battery rated at 1.00 A*h and 1.58 V keep a 1.00-W flashlight bulb burning?
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Sariah Hammond
Physics
Which of the following has the most thermal energy?
1. A 1/2 liter mug of hot chocolate at 75 degrees
2. A 1 liter mug of hot chocolate at 75 degrees
3. They have the same amount of thermal energy because they are both at 75 degrees
4. Neither has any thermal energy because the hey are both in liquid form
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Elisha Cameron
Physics
Which term describes the time it takes for an object to complete one full cycle of motion on a spring?
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Hazel Jefferson
Physics
What is the definition of the word PER
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Yadira Charles
Physics
Which organelle gives plants the ability to grow tall?
chloroplasts
vacuoles
cytoplasm
cell walls
mitochondria
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Ava Gallegos
Physics
How does the weight of a rocket affect the height and distance?
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Tramp
Physics
An energy resource that can be replaced by nature in a relatively short time is known as a (n):
a. replaceable energy resource
c. renewable energy resource
b. inexhaustible energy resource
d. non-renewable energy resource
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Gigi
Physics
What forces cause the Sun's magnetic field to become both stronger and more tangled
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Bartlett
Physics
A hot air balloon competition requires a balloonist to drop a ribbon onto a target on the ground. Initially the hot air balloon is 50 meters above the ground and 100 meters from the target. The wind is blowing the balloon at v = 15 meters/sec on a course to travel directly over the target. The ribbon is heavy enough that any effects of the air slowing the vertical velocity of the ribbon are negligible. How long should the balloonist wait to drop the ribbon so that it will hit the target?
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