NEED HELP ASAP 1. Calculate the average time for vehicle 1 from the information in your data table. Show all work.

Physics

1 answer:

Ilia_Sergeevich [38]3 years ago

5 0

Answer:

Leonardo da Vinci was famous for his designs, art, cartography, geology, and studies. Leonardo's designs later helped us to invent things like the tank, parachute, helicopter and many other things. He was also a very talented artist. Most of his pictures and paintings are in art galleries and museums.

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the concentration of solutions in a range from 0-14.

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A car traveling at 45 miles per hour is brought to a stop, at constant deceleration, 132 feet from where the brakes are applied.

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An automobile travels on a straight road for 40 km at 30 km/h. It then continues in the same direction for another 40 km at 60 k

Butoxors [25]

Answer:

The average velocity is 40km/h.

Explanation:

The average velocity is $\bar{v}=\frac{\Delta x }{\Delta t}$ , where $\Delta x$ is the distance traveled and $\Delta t$ the time elapsed.

The distance traveled is clearly 80km since it's all done in the same direction, we only need to know the time elapsed. For this we calculate the time elapsed on the first part, and add it to the time elapsed on the second part using always the formula $\Delta t=\frac{\Delta x }{v}$ , where v is the velocity on each part, which is constant.

The time elapsed for the first part is $\Delta t_1=\frac{40 km}{30km/h}=\frac{4}{3}h$ , and the time elapsed for the second part is $\Delta t_2=\frac{40 km}{60km/h}=\frac{2}{3}h$ , giving us a total time of $\Delta t_1+\Delta t_2=\frac{4}{3}h+\frac{2}{3}h$ =2h.