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Scott Cunningham
Physics
If a bicyclist starts from a resting position and reaches a speed of 10 meters per second in 40 seconds, what was his acceleration during this time? assume he accelerated in a constant way.
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Paisley Rios
Physics
The material's density is 6.1 g/cm3 how do i lower the density?
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Tripp Simpson
Physics
Which method is used to calculate the slope on a distance time graph
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Troy Fritz
Physics
A mass on the end of a spring undergoes simple harmonic motion. At the instant when the mass is at its maximum displacement from equilibrium, what is its instantaneous acceleration?
a. At maximum displacement, its instantaneous acceleration is zero.
b. At maximum displacement, its instantaneous acceleration is less than its maximum but not zero.
c. At maximum displacement, its instantaneous acceleration is also at maximum.
d. Instantaneous acceleration cannot be determined without additional information.
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Andres Mcbride
Physics
Calculate the force of earth's gravity on a 1kg mass at earth's surface. the mass of the earth is 6.0
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Rayne Harmon
Physics
Which scientist studies the earth's core, the mantle, the crust, continents, and the ocean floor?
a geologist
a meteorologist
an oceanographer
an astronomer
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Alonzo Delacruz
Physics
What is the density of cylindrical (coin) object if it has a mass of 0.69 kg, and a radius of 0.03 m, along with a thickness of 0.003 m?
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Ashton Gillespie
Physics
A uniform electric field of magnitude 31 V/m makes an angle of 30∘
with a displacement of length 10 m.
1)
What is the potential difference of the final position relative to the initial position of this displacement? (Express your answer to two significant figures.)
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Hugh Lucero
Physics
Potential energy related to an object's height is called
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Savanna Griffin
Physics
Why is sky blue and why moon appear in daytime
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Shaun
Physics
A sample of n2 effuses in 220 s. how long will the same size sample of cl2 take to effuse? a sample of n2 effuses in 220 s. how long will the same size sample of cl2 take to effuse? 86.8 s 388 s 350 s 558 s 138 s
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Randy Wright
Physics
Wood is sawed and made into a toy box. is it physical or chemical change
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Mallory
Physics
Why can the brain be fossilized
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Tamara Medina
Physics
How does the engine get the spacecraft to space?
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Marco Mccullough
Physics
A 2.40 kg can of coffee moving at 1.50 m/s in the + x-direction on a kitchen counter collides head-on with a 1.20 kg box of macaroni that is initially at rest. After the collision the can of coffee is moving at 0.825 m/s in the + x-direction. What is the velocity (magnitude and direction) of the box of macaroni after the collision?
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