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Brent Andrews
PhysicsPhysics
Sally travels by car from one city to another. She drives for 30.0 min at 80.0 km/hr, 12.0 min at 105.0 km/hr, and 45.0 min at 40.0 km/hr, and she spends 15.0 min eating lunch and buying gas.

A. Determine the average speed for the trip.

B. Determine the total distance traveled.
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Caiden Hinton
PhysicsPhysics
Does parallax affect the precision of a measurement that you make
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Kaleigh
PhysicsPhysics
If a semi-truck decreases its speed from 10 m/s to 5 m/s, its new kinetic energy is:
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Petersen
PhysicsPhysics
A force of attraction/repulsion due to the spin of electrons
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Caden Cherry
PhysicsPhysics
What did the protoplanets become?

a. nebulae

b. planets

c. solar nebulae

d. planetesimals
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Karma Krueger
PhysicsPhysics
This is the number of protons and neutrons in the nucleus of any atom.
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Penelope Chaney
PhysicsPhysics
What is the velocity of a snail that travels 0.20 meters in 1 minute
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Patrick Harris
PhysicsPhysics
Is erosion a constructive or destructive force and why?
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Joshua Morris
PhysicsPhysics
How much power is used by a 6.0-V flashlight battery that draws 0.5 A of current
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Heather Hayden
PhysicsPhysics
Compare and contrast the results of a crash while the passengers are not wearing seat belts and while they are wearing seat belts
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Tony Cabrera
PhysicsPhysics
Which will produce a bigger acceleration: a force of 10.0 N acting on a mass of 5.0 kg, or a force of 5.0 N acting on a mass of 10.0 kg?
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Lorelei Murillo
PhysicsPhysics
A proton accelerates from rest in a uniform electric field of 610 N/C. At some later time, its speed is 1.4 106 m/s. (a) Find the magnitude of the acceleration of the proton. (b) How long does it take the proton to reach this speed? (c) How far has it moved in that interval? (d) What is its kinetic energy at the later time?
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Alvin Newton
PhysicsPhysics
What does the law of conservation of matter state?
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Gloria Avery
PhysicsPhysics
Heat flows due to:

Select one:

a. conduction

b. convection

c. radiation

d. all of the above
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Uriel Hooper
PhysicsPhysics
A mine elevator is supported by a single steel cable 0.0125 m in diameter. The total mass of the elevator cage and occupants is 6450 kg. By how much does the cable stretch when the elevator hangs by 362 m of cable? (Neglect the mass of the cable. Young's modulus for steel is 2.11 x 1011 N/m
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