Pergunta
What is the speed of a 30 kg tiger that is running with a momentum of 180 kg^ast m/s 5400m/s 210m/s 6m/s 0.17m/s
Solução
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FernandoElite · Tutor por 8 anos
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To find the speed of the tiger, we can use the formula for momentum:<br /><br />\[ \text{momentum} = \text{mass} \times \text{velocity} \]<br /><br />Given:<br />- Momentum (\( p \)) = 180 kg·m/s<br />- Mass (\( m \)) = 30 kg<br /><br />We need to find the velocity (\( v \)). Rearranging the formula to solve for velocity gives us:<br /><br />\[ v = \frac{p}{m} \]<br /><br />Substituting the given values:<br /><br />\[ v = \frac{180 \, \text{kg·m/s}}{30 \, \text{kg}} \]<br /><br />\[ v = 6 \, \text{m/s} \]<br /><br />So, the speed of the tiger is \( 6 \, \text{m/s} \).<br /><br />Therefore, the correct answer is:<br /><br />\[ 6 \, \text{m/s} \]
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