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Good experimental design includes a hypothesis that is <span>testable and observable.</span>
Answer:
Explanation: The moon of the Earth is much lighter in mass than the planet itself. In addition to being smaller than Earth, the Moon is also only approximately 60% as dense. A human weighs less on the Moon because there is less gravitational attraction there than there is on Earth.
Answer:
Explanation:
Hola.
En este caso, dado el volumen y densidad de cada barra, podemos calcular el peso de cada una en toneladas con la correspondiente conversión de 1 ton = 1000 kg:
De este modo, si el camión resiste 10 toneladas, el número de barras resulta de la división entre la capacidad del camión y el peso por barra:
¡Saludos!
To develop this problem it is necessary to apply the concepts related to the angular resolution of a telescope as well as to the arc length.
The arc length can be defined as
Where
r= Radius
\theta = Angle
At the same time the angular resolution of a body is given under the proportion
Where
= Wavelength
D = Diameter
Our values are given as
Then the angle of separation of the two objects seen from the observer is of
Finally, using the proportion of the arc length, in which we have the radius and angle we can know the separation of the two objects by:
There are <span>31,556,736 seconds in a solar year.</span>