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Talan Reed
PhysicsPhysics
Mike walked 450 m west. He then turned and walked 150 m to the east in 300 seconds. what was his velocity?
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Jasiah
PhysicsPhysics
Unpolarized light with intensity 300 W m2 is incident on three polarizers, P1, P2, and P3 numbered in the order light reaches the polarizers. The transmission axis of P1 and P2 make an angle of 45?. The transmission axis of P2 and P3 make an angle of 30?. How much light is transmitted through P3? Select One of the Following: (a) 60 W m2 (b) 100 W m2 (c) 20 W m2 (d) 10 W
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Reynaldo Zamora
PhysicsPhysics
Which of these is not an example of a physical change?

a. a nail rusting

b. a rock cracking

c. blowing up a balloon

d. stretching a piece of clay
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Brandi
PhysicsPhysics
The rate at which veloity changes over time is known as -

Question options:

A. speed

B. acceleration

C. Newton

D. force
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Guest
PhysicsPhysics
Scientific method definition
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Amir Lowe
PhysicsPhysics
An unwary football player collides with a padded goalpost while running at a velocity of 7.50 m/s and comes to a full stop after compressing the padding and his body 0.350 m. (a) What is his deceleration? (b) How long does the collision last?
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Tickles
PhysicsPhysics
If the force of friction resisting the students push is 4 N what is the net force acting on the board if the student is applying 10 N of force?
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Kareem Brennan
PhysicsPhysics
Suppose a well-designed optical instrument is composed of two converging lenses separated by 14 cm. The focal lengths of the lenses are 0.60 and 4.5 cm. Is the instrument a microscope or a telescope
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Jovan Page
PhysicsPhysics
Launch the simulation, then answer the question Which statement is not correct regarding the deformation of a circular shaft in torsion?

Cross sections remain flat.

Longitudinal lines remain straight.

Circular sections remain circular.

Radial lines on the sections remain straight.
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Eden Molina
PhysicsPhysics
An experiment was conducted to determine the effect of alcohol on driving. Subjects consumed varying amounts of alcohol. Then they drove around barrels. Judges rated their performances. The independent variable in the experiment was the
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Larry Mercer
PhysicsPhysics
What would you be most likely to find if you returned to the solar system in 10 billion years?
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Marlie Randolph
PhysicsPhysics
Opposite chargers and like charges
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Tamara Medina
PhysicsPhysics
A distance - time graph indicates that an object moves 100 m in 4 s and then remains at rest for 6s what is the average speed of the object
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Barclay
PhysicsPhysics
A scientist is conducting research to determine how much pressure a dam can withstand. Why are good observations important to his research?
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Jeremiah Mckinney
PhysicsPhysics
What is the ratio of escape speed from earth to circular orbital speed? ignore air resistance.
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