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Which of the following best expresses the approximate distance between the Earth and the Sun in scientific notation, given as ?
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1. Intro to Physics Units
Introduction to Units
Scelta multipla
In the International System of Units (SI), what is the unit of acceleration?
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Guida verificata passo dopo passo1
Recall that acceleration is defined as the rate of change of velocity with respect to time.
Velocity has units of meters per second, written as \(m/s\).
Since acceleration is the change in velocity per unit time, divide velocity units by time units: \(\frac{m/s}{s}\).
Simplify the expression by dividing by seconds: \(m/s^2\).
Therefore, the SI unit of acceleration is meters per second squared, written as \(m/s^2\).
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