Answered

Get reliable answers to your questions at Westonci.ca, where our knowledgeable community is always ready to help. Get precise and detailed answers to your questions from a knowledgeable community of experts on our Q&A platform. Our platform offers a seamless experience for finding reliable answers from a network of knowledgeable professionals.

a) Evaluate the following calculation, giving your answer rounded to 3 decimal places: (3.41 + 7.95)³ x (317- 150) ½/2
b) Explain the steps you have taken in the calculation and why.
c) A car of mass 900kg (m) is travelling at a speed of 12 metres per second (v₁) on a level road when the brakes are applied due to a level crossing. It is slowed down smoothly to a speed of 4 metres per second(v₂)over a distance of 710 metres. i) calculate the work done, W, during the braking process using the formula: w = 1/2m(v₂₁² - v₂²)
ii) Calculate the force applied by the brakes using the braking force (F) and distance travelled (s) formula, giving your answer rounded to 3 significant figures:
​

Sagot :

We appreciate your time. Please revisit us for more reliable answers to any questions you may have. We hope this was helpful. Please come back whenever you need more information or answers to your queries. Your questions are important to us at Westonci.ca. Visit again for expert answers and reliable information.