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Buddy
Physics
A mover brings a box up the stairs in 10 seconds. If he applied a force of 20 N over a distance 10 m on the box, calculate the power required for him to complete this action.
0.05 watts
201 watts
2,000 watts
20 watts
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Karter
Physics
What is the drivers displacement at the end of the lap
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Dane Wells
Physics
An astronaut has become detached from her spaceship. She's floating in space holding a wrench. She's 50 m from her current location. How does she get back to the spaceship?
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Clay Hamilton
Physics
Donny is a wide reciever on the football team and he is practicing his routes. Coach keeps telling him that he needs to accelerate through the catch. Donny's precatch speed is 9 m/s and he is in the act of catching the ball for 1.1 seconds. Donny is capable of an accelerating at 2.6 m/s2. What is the final speed that Donny's coach should expect?
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Adyson Garrison
Physics
What happens when you change the number of electrons in an atom
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Guest
Physics
If 2 objects have the same momentum which statement is true
A. mass and velocity are the same for both
B. they both have the same mass
C. the product of mass x velocity is the same for both
D. they both have the same velocity
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Zander Hess
Physics
What are the ecological consequences of acidification of rain and oceans?
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Greta Hawkins
Physics
If a car moves with an average speed of 60 km/hr for an hour, it will travel a distance of 60 km. How far will it travel if it continues this average rate for 4 hrs?
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Carly
Physics
A 650-n force is exerted on the 65 kg crate. if the coefficient of kinetic friction is. 18 calculate the acceleration of the system and the force that each crate exerts on the other.
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Lexi
Physics
If you see a sedimentary rock outcrop and red layers of sand are on top of pale yellow layers of sand, what do you know for sure about the ages of the two layers?
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Chanel Carney
Physics
He had 5 dogs plus 2. Cats
How many did he have all together?
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Thomas Conrad
Physics
An event last 3 hours and 15 minutes. how long did the event last in seconds
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Swanson
Physics
The pH electrode is in the solution where the pH is measured and connected to the pH meter which has a readout. It takes one kind of signal and converts it to another type of signal. What is the pH electrode reading and what signal is it sending to the meter?
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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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