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Physics

Amirah Franco

A car approaches a pedestrian standing on the side of the road. The car is traveling at 24.2 m/s. The horn of the car emits a sound wave with a frequency of 482 Hz. What frequency is heard by the pedestrian

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Physics

Lyric Barber

Where would a bowling ball and a napkin fall with the same acceleration?

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Physics

Addison Mcknight

The rate at which the earth's surface loses heat and keeps earth temperature at which living things can survive

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Physics

Aleah Donovan

Describe the motion of something floating in water waves

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Physics

Guest

A trailer mechanic pushes a 2500 kg car, home to a speed v, performing a job during the 5000 J. In this process, the car moves 25 m. Neglecting friction between the car and roadway:

(A) What is the final velocity v of the car? (B) What horizontal force exerted on the car?

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Physics

Keely Bell

What do cell phones require to work?

A. The GPS system

B. Ultraviolet rays

C. A cellular system

D. X-rays

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Physics

Konnor Bates

Josiah is going to have a cup of hot cocoa. If he wants the cocoa to stay warm as long as possible, which type of cup should he put his hot cocoa in? A.

a foam cup B.

a glass cup C.

an aluminum cup D.

an iron cup

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Physics

Gloria

Lightning is more likely to strike a metal tower than a rubber hose because:

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Physics

Dayanara Choi

Hi.

Indicate which of the following physics symbols denote units and which denote variables or quantities.

a. C

b. c (cursive)

c. C (cursive)

d. t (cursive)

e. T

f. T (cursive)

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Physics

Guest

Is the multiverse theory plausible?

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Physics

Odin Dunn

Is a theory related to perspective

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Physics

Guest

At which temperature will water boil when the external pressure is 31 kpa

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Physics

River Love

13.00 cm + 2.56 mm + 0.0047 = cm? Solve problem with correct number of significant digits

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Physics

Juliet Moore

Form of energy that exhibits wavelength behavior as it travels through space. Example: Mircrowave rays, U. V. rays.

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Physics

Hugh Skinner

Which of the following is the primary medium for beach erosion? ice gravity wind water

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