Gio wants to serve salad at the party. He will need one head of lettuce for every 6 guests who attend. Write an algebraic expres
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Answer:
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Answer:
It will take <em>0.75 hours </em>to Russell catch Gertrude
Step-by-step explanation:
<u>Cinematics</u>
The equations of cinematics include velocity, displacement and time. In case only the magnitudes are important, we can use the concepts of speed and distance. The speed can be thought in relative terms, i.e. if one body moves at 10 m/s and other moves at 8 m/s, we can say the relative speed is 2 m/s.
The equation who relates those magnitudes is
The problem states Gertrude travels at 10 mph and is 3 miles ahead of Russell who travels at 14 mph. We want to know the time when Russell will catch Gertrude. Since Russell goes faster than Gertrude, he eventually catches her. In a time t, he must travel 3 miles more than her. Since the relative speed of them is 14-10= 4 mph, we can know the time it takes to the encounter to produce
Answer: It will take 0.75 hours to Russell catch Gertrude