Physics » Page 38

Physics

Freeman

Which resource is renewable but can be made unusable if not managed properly?

A. wind

B. biomass

C. sunlight

D. minerals and rocks

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Physics

Kallie Cortez

Apply Newton's first law to music playing on the radio.

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Physics

Bodie

Is platinum carbonate naturally occurring or human made?

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Physics

Jovanny Ayala

A 230-km-long high-voltage transmission line 2.0 cm in diameter carries a steady current of 1,100 A. If the conductor is copper with a free charge density of 8.5 1028 electrons per cubic meter, how many years does it take one electron to travel the full length of the cable? (Use 3.156 107 for the number of seconds in a year.)

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Physics

Riley Mooney

A student uses an audio oscillator of adjustable frequency to measure the depth of a water well. Two successive resonant frequencies are heard at 187 Hz and 209 Hz. What is the depth of the well? The speed of sound in air is 344 m/s.

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Physics

Rogers

A 0.025-kilogram bullet is fired from a rifle by an unbalanced force of 200. newtons. if the force acts on the bullet for 0.1 second, what is the maximum speed attained by the bullet?

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Physics

Khalil Petersen

What two models are used to describe how light behaves

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Physics

Jamari Bush

Suppose that 100g of aluminum at 23 degrees C is added to 50g of water at 95 degrees C. Determine the equilibrium temperature of the mixture. Ignore heat loss to the container or the surroundings.

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Physics

Aden Robinson

If the mass of an object on Earth is 18 grams, what would the mass of the same object be on the Moon?

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Physics

Carlie Francis

What is a meter? give 2 examples of objects that are a meter in lengh

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Physics

Adeline Greer

how many kilograms off mercury would fill a 5litre container if the density of mercury is 13.6grams per cm3

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Physics

Abby Newman

Give 2 ways to increase the temperature of gas

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Physics

Cox

The energy associated with motion is called

a. kinetic energy.

b. elastic potential energy.

c. gravitational potential energy.

d. nuclear energy.

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Physics

Cutie Pie

A closed container is filled with oxygen. the pressure in the container is 425 kpa. what is the pressure in millimeters of mercury? express the pressure numerically in millimeters of mercury.

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Physics

Tiffany

Which do you think would be warmer on a winter day when there is no wind a thick forest or a grassy field? explain your answer

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