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Lyric Coffey
Physics
What is the definition of the inner solar system?
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Tiki
Physics
A Roller Derby Exhibition recently came to town. They packed the gym for twoconsecutive weekend nights at South's field house. On Saturday evening, the68-kg Anna Mosity was moving at 17 m/s when she collided with 76-kg SandraDay O'Klobber who was moving forward at 12 m/s and directly in Anna's path. Anna jumped onto Sandra's back and the two continued moving together atthe same speed. Determine their speed immediately after the collision.
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Sage Garrett
Physics
A cannon, elevated at 40 is fired at a wall 300 m away on level ground, as shown in the figure below. The initial speed of the cannonball is 89
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Jessica Burton
Physics
One barrier to problem solving is the tendency to impose constraints that don't exist.
ture or false
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Kaia Christensen
Physics
A ball with mass 0.13 kg is thrown upward with initial velocity 20 m/s from the roof of a building 30 m high. neglect air resistance. (a computer algebra system is recommended. use g = 9.8 m/s2 for the acceleration due to gravity. round your answers to one decimal place.) (a) find the maximum height above the ground that the ball reaches.
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Allison Randolph
Physics
A ball sitting at the top of an incline has A no energy B kinetic C potential energy D moving energy
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Guest
Physics
Stronger surface waves cause greater rock motion and more damage
True
False
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Dulce Ramsey
Physics
Why do footballers need power?
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Astro
Physics
How many significant figures can come from 12.68
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Chapman
Physics
An electron with a kinetic energy of 3.90 ev collides with a sodium atom.
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Guest
Physics
Two deuterium nuclei, 2 1H, fuse to produce a helium nucleus, 3 2He, and a neutron. A neutral deuterium atom has a mass of 2.014102 u; a neutral helium atom has a mass of 3.016030 u; a neutral hydrogen atom has a mass of 1.007825 u; a neutron has a mass of 1.008665 u; and a proton has a mass of 1.007277 u. How much energy is released in the process? 1 u = 931.494 MeV/c2.
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Manuel
Physics
Calculate the pressure exerted on the heel of a boy's foot if the boy weighs 320 N and he lands on one heel which has an area of 0.16 m²
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Sydnee Ramirez
Physics
Which of the following refers to the increasing size of deserts worldwide? A. disintegration B. desertification C. decomposition D. disaggregation
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April Romero
Physics
which statement is true of a wave that's propagating along the pavement and girders of a suspension bridge?
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Jamya Fischer
Physics
How many days for the moon to make a complete circuit around the Earth?
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