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Physics

Marcel Fisher

Crystallization is a separation technique used to produce rock candy from a sugar solution. true or false

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Physics

Felicity Fritz

A car traveling in a straight line has a velocity of 3.79 m/s at some instant. After 5.4 s, its velocity is 11.9 m/s. What is its average acceleration in this time interval? Answer in units of m/s 2

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Physics

Charlize Lloyd

The periodic law states that elements that have similar properties appear ...

a. to the left of each other

b. to the right of each other

c. at every 10th element

d. at regular intervals

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Physics

David Ramos

An expert archer tried to shoot an arrow into a target lying at the bottom of a shallow pool. Even though the water did not change the direction of the arrow, the archer missed the mark by several inches. Which interaction between light and matter caused the archer to miss the target?

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Physics

Dayton Glover

Which of the following best describes a mechanical wave?

A. A periodic disturbance of a medium.

B. A movement of matter.

c. A transfer of energy.

D. When energy is converted from one form to another.

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Physics

Zaniyah Dickerson

What is a 2d game. Give a refrence.

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Physics

Karson Davila

Two exactly similar wire of steel and copper are stretched by equal force. if the total elongation is 10cm. find how much each wire is elongated given young's modules for steel = 2*10^10 N/M^2 and Young's modules for copper 2*10^10N/M^2.

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Physics

Kadin Fox

Which of the following is the FINAL step in a forecasting system?

A. Validate and implement the results.

B. Make the forecast.

C. Select the forecast model (s).

D. Gather the data needed to make the forecast.

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Physics

Lara Owen

Resistors in parallel together contain less resistance than resistors in series together. Create an analogy to explain this phenomena and post it here.

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Physics

Sutton

Unlike the idealized voltmeter, a real voltmeter has a resistance that is not infinitely large. part a a voltmeter with resistance rv is connected across the terminals of a battery of emf e and internal resistance r. find the potential difference vmeter measured by the voltmeter.

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Physics

Callum

The acceleration of an object is the slope of its velocity-time graph.

True

False

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Physics

Hubby

When a cannon fires a cannonball, the cannon will recoil backward because the?

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Physics

Clarissa Holmes

True or False: As we learn more about organisms how we classify them can

continue to change.

O True

O False

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Physics

Derek Barron

Convert 4,200 decigrams to grams

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Physics

Axel

A beam of light is incident upon a flat piece of glass (n = 1.50) at an angle of incidence of 30.00. Part of the beam is transmitted and part is reflected. Determine the angle between the reflected and transmitted rays

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