a car travelling at a constant speed of 30m/s for 20sec was suddenly decelerated when the driver sighted a pot hole. it took the driver 6s to get to the pot hole with reduced speed of 18m/s. he maintain the steady speed for another 10sec to cross the pot hole. the brakes were then applied and the car came to rest 5sec later. (a) draw the v-t graph for the journey (b) calculate decelaration during the last 5sec of the journey (c) calculate total distance covered

What is meant by the statement" the melting poin of glycerine is 13 degree celsius

What is the momentum of a 2 kg object moving at 15 meters per second

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.