4. Amotorboat starting from rest on a lake accelerates in a straight
line at a constant rate of 3.0 m s? for 8.0 s. How far does the
boat travel during this time?
5. A driver of a car travelling at 52 km h-l applies the brakes andI
accelerates uniformly in the opposite direction. The car stops
in 5 s. Another driver going at 3 km h-' in another car applies
his brakes slowly and stops in 10 s. On the same graph paper,
plot the speed versus time graphs for the two cars. Which of
the two cars travelled farther after the brakes were applied?
HEY MATE !! here's your answer
In a class test of 15 questions 4 marks are given for every correct answer and (-2) marks for every incorrect answer and no marks are given for questions that are not attempted. (i) Satvik gets only 4 answers comect. What will be his score, if he did not attempt 8 questions at all? is hylling an...