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Rambler
Physics
During a chemical reaction what is always transferred
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Ryker Watts
Physics
A stationary bomb explodes in gravity-free space breaking into a number of small fragments. Which one of the following statements concerning this event is true? A. Kinetic energy is conserved in this process. B. The fragments have equal kinetic energies. C. The sum of the kinetic energies of the fragments must be zero. D. The vector sum of the linear momenta of the fragments must be zero. E. The velocity of any one fragment must be equal to the velocity of any other fragment.
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Nelson
Physics
7. Eddie is driving his car and gets a flat tire. He pulls out his hydraulic jack to lift his car. If he exerts a force of 83 N on the handle of the jack and the diameter of the input piston is 125 mm, then what must the diameter of the output piston be if his car is 1100 kg? Show work.
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Kolby Clarke
Physics
A ball is moving at 4.5 m/s and has a momentum of 75 kg. m/s what is the balls mass
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Alvin Mercer
Physics
Why do your feet feel colder stepping on ceramic tiles than on carpet?
A: The tile transfers heat to your feet
B: Tile is a good conductor : a carpet is a good insulator
C: Tile is a good insulator : a carpet is a good conductor
D: A material such as tile always remains cold due to convection in the room.
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David Garza
Physics
What is the kinetic energy of a 150 kg object moving at a velocity of 15 m/s?
25312.5 j
16875 j
50625 j
33750 j
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Atkinson
Physics
what the hell does "Give an example of a situation in your life in which you depend on testing and evaluation in a product design to keep you safe." even mean?
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Alexia Bush
Physics
Why does the number of dwarf planets recognized by astronomers in the solar system sometimes increase?
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Katelyn Richard
Physics
A 45.0 kg skater is skating at a speed of 12.0 m/s. The skater coasts to a speed of 6.00 m/s. How much kinetic energy has the skater lost?
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Doogie
Physics
The water in cup actual end up the same temperature as the water in container act true or false
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Cantu
Physics
A solution is oversaturated with solute. Which could be done to decrease the oversaturation?
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James
Physics
Boyant force what is the defintion
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Lisa Beard
Physics
A block of mass 2 kg is traveling in the positive direction at 3 m/s. Another block of mass 1.5 kg, traveling in the same direction at 4 m/s, collides elastically with the first block. Find the final velocities of the blocks. How much kinetic energy did the system lose
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Moshe Mullins
Physics
Why does pumping a soccer ball with an air pump increase the pressure inside the ball? the pump puts more gas particles inside the ball. the pump changes the gas particles into different substances. the pump increases the volume of the ball. the pump cools the gas inside the ball?
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Jarvis
Physics
Why is it colder as you get closer to the poles?
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