Q. A car travels east at 99 km/h for 0.8 H. it then travels 30 degrees east of north at 114 km/h for 1.9 h. What is an average speed for the trip? 106 km/h. What is the average velocity for the trip? Magnitude is 106 km/h. require direction in degrees?
Q. An airplane must reach a speed of 186mi/h to take off. If the runway is 488m long, what is the minimum value of acceleration that will allow the airplane to take off successfully?