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Physics

4 months ago

An object travels 8 meters in the first second of travel, 8 meters again during the second second of travel, and 8 meters again during the third second. Its acceleration is

A. 0 m/s^2

B. 8 m/s^2

C. 16 m/s^2

D. 32 m/s^2

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Physics

4 months ago

Why does life be life

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Physics

4 months ago

How are hypotheses and theories related to each other?

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Physics

4 months ago

During the refrigeration cycle, what does the refrigerant do? Absorbs and releases thermal energy by first vaporizing then condensing. Absorbs and releases thermal energy by first condensing then vaporizing. Insulates the thermal energy away from the cooling area. Transfers thermal energy to the cooling area by condensing.

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Physics

4 months ago

Find the unbalanced force required to accelerate a 6kg mass at 3ms

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Physics

4 months ago

A bus travels 300 km south along a straight path with an average velocity of 85 km/h to the south. The bus stops for 22 minutes. Then it travels 220 km south with an average velocity of 78 km/h to the south. How long does the total trip last? What is the average velocity for the total trip?

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Physics

4 months ago

In what way does varying the length of the string change the vibration

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Physics

4 months ago

A 1200 kg car moving at 7.8 m/s collides with a stationary car of mass 1500 kg. if the two vehicles lock together, what is their combined velocity immediately after the collision?

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Physics

4 months ago

Which have more kinetic energy a 100g ball, a 200g ball, or a 500g ball explain

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Physics

4 months ago

An internal combustion engine uses fuel, of energy content 44.4 MJ/kg, at a rate of 5 kg/h. If the efficiency is 28%, determine the power output and the rate of heat rejection.

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Physics

4 months ago

Fleas often live on dogs or cats and bite them for meal of blood. This can be harmful to the cat or dog that is bitten. What type of symbiotic relationship is that?

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Anabella French

Physics

4 months ago

Who was the scientist that discovered Pluto wasnt a planet

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Physics

4 months ago

Astronauts appear weightless while working in the International Space Station because A) they are in a state of free fall. B) there isn't any gravity in outer space. C) they have very little mass when in outer space. D) they have gravitational attractions to the sun and moon.

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Physics

4 months ago

The distance between two consecutive crests is 2.5 meters. Which characteristics of the wave does this distance represent?

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Physics

4 months ago

Who first landed on the moon?

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