Title: A racing car accelerates uniformly from rest along a straight track. This track has markers spaced ... Post by: klcarrasquillo on Dec 19, 2018 A racing car accelerates uniformly from rest along a straight track. This track has markers spaced at equal distances along it from the start, as shown in Figure 2.2. The car reaches a speed of 140 km/h as it passes marker 2.
Figure 2.2 • At marker 1 • Between marker 1 and marker 2 • Before marker 1 Title: A racing car accelerates uniformly from rest along a straight track. This track has markers spaced ... Post by: kelsey9 on Dec 19, 2018 Content hidden
Title: Re: A racing car accelerates uniformly from rest along a straight track. This track has markers ... Post by: João Magalhães on Sep 21, 2021 tk
Title: Re: A racing car accelerates uniformly from rest along a straight track. This track has markers ... Post by: Sagittarius on Oct 26, 2021 V1i = 0
Vf1 = 140 km/hr Now Vf1^2 = V1i^2 + 2ax1 140^2 = 0 + 2*a*x1 =========> a = 9800/x1 Then for V2 find x Vf2 = 70 km/hr Vi2 = 0 70^2 = 0 + 2*a*x2 =======> 70^2 = 2*(9800/x1)*x2 x2 = 0.25*x1 So, car will be before marker 1 Title: Re: A racing car accelerates uniformly from rest along a straight track. This track has markers ... Post by: Ducke s on Oct 26, 2021 thanks
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