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enot [183]
3 years ago
11

A tennis ball travels the length of the court 24m in 0.5s. Find the average speed

Physics
1 answer:
AnnZ [28]3 years ago
5 0

Answer: average speed of the ball would be 48 mph

Explanation:

because all you have to do is multiply 24 x .5 and that gives you your answer

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Earth's subsystems are the geosphere, atmosphere, hydrosphere, and biosphere. Energy and matter are transferred when Earth's sub
Leona [35]

Answer:

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Explanation:

The Earth is made of several subsystems or "spheres" that interact to form a complex and continuously changing whole called the Earth system. Scale

Processes operating in the Earth system take place on spatial scales varying from fractions of millimeters to thousands of kilometers, and on time scales that range from milliseconds to billions of years.

Examples of instantaneous - breathing; rotation of the Earth; earthquake

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The Earth system is powered by energy from two major sources: the Sun and the planet's internal heat.

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6 0
2 years ago
How much momentum does a 77 kg football player have if he is running with a speed of 4 m/s
worty [1.4K]

Answer:

308 N-s

Explanation:

Momentum is given by

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4 0
3 years ago
Which element easily loses one electron to form a positive ion?
olga nikolaevna [1]

Answer/Explanation: As mentioned above, the characteristic chemical property of a metal atom is to lose one or more of its electrons to form a positive ion. However, certain metals lose electrons much more readily than others. In particular, cesium (Cs) can give up its valence electron more easily than can lithium (Li).

-Bababooeyboy

5 0
3 years ago
What is kepler-10b ? ​
Stolb23 [73]

Answer:

is the first confirmed terrestial planet to have been discovered outside the solar system by the kepler space telescope

Explanation:

3 0
3 years ago
Read 2 more answers
An ideal gas is confined within a closed cylinder at atmospheric pressure (1.013 * 105 Pa) by a piston. The piston moves until t
likoan [24]

Answer:

911700\ \text{Pa}

Explanation:

P_1 = Initial pressure = 1.013\times 10^5\ \text{Pa}

V_1 = Initial volume

V_2= Final volume = \dfrac{V_1}{9}\\\Rightarrow \dfrac{V_1}{V_2}=9

Temperature is the same in the initial and final state

From the ideal gas law we have

P_1V_1=P_2V_2\\\Rightarrow P_2=\dfrac{P_1V_1}{V_2}\\\Rightarrow P_2=P_1\times9\\\Rightarrow P_2=1.013\times 10^5\times 9\\\Rightarrow P_2=911700\ \text{Pa}

The final pressure of the system is 911700\ \text{Pa}.

5 0
3 years ago
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