Get expert advice and community support for all your questions on IDNLearn.com. Ask your questions and receive reliable, detailed answers from our dedicated community of experts.
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 greatly appreciate every question and answer you provide. Keep engaging and finding the best solutions. This community is the perfect place to learn and grow together. Find precise solutions at IDNLearn.com. Thank you for trusting us with your queries, and we hope to see you again.
