a car starts from rest and travels 10 sec. with an acceleration of a-4-0.3t. then runs for 30 seconds at constant velocity and finally comes to rest by decelerating at 3.125 m per sq. A.Determine the velocity of the car after 10 seconds. B.Determine the distance travelled by the car during the period of 10 seconds. C.Determine the total distance travelled by the car until it stops.

Hicham El Guerrouj of Morocco holds the world record in the 1500 m running race. He ran the final 400 m in a time of 51.9 s. What was his average speed in mph over the last 400 m?A. 14.2 mph                      B. 15.5 mphC. 17.2 mph                      D. 23.9 mph

16. Sketch the velocity-time graph of the different parts of his motion from the airplane to the ground. [Appendix A] A. Jumps from airplane. B. Reaches terminal velocity. C. Pulls rip-cord to open parachute. D. Parachute is fully open. E. Contacts ground. velocity A B C D E time

9. A car with its brakes applied has an acceleration of -1.2 m/s˄2. If its initial velocity is 10 m/s, the distance the car covers in the first 5 seconds after the acceleration begins is A. 15 m B. 32 m C. 35 m D. 47 m 12. A train starting at 30 km/h travels a distance of 21 km in 18 min. Determine the acceleration of the train at this instant. A. 0.0865 m/s˄2 B. 0.0206 m/s˄2 C. 0.3820 m/s˄2 D. 0.0043 m/s˄2 13A stone is dropped from a cliff. After it has fallen 30 m, the magnitude of its velocity is approximately A. 17 m/s B. 24 m/s C. 44 m/s D. 588 m/s Answer the following, i only need the letter of correct answer.

1. What will be the final velocity of a car that has an acceleration of 1.0ms^2 after traveling 100.0 m from rest? 2. Find the acceleration of a car after 5.0 seconds if it has a velocity of 10 m/s after traveling a distance of 70m. 3. A bicycle starting from rest attained a velocity of 5m/s.Find how far was it displaced from its point of origin at an acceleration of 0.75 m/s^2 4. At what acceleration shall you attain a velocity of 3.0m/s from rest after 5.0 seconds?

11. A Lamborghini accelerates uniformly from rest to a speed of 100 m/s over a distance of 50 m. Determine the acceleration of the of the sports car. 12. SPACEX MARS Rocket-powered sleds are used to test the human response to acceleration. If a rocket- powered sled is accelerated to a speed of 666 m/s in 6.66 seconds, then what is the acceleration and what is the distance that the sled travels? 13. A JET accelerates down a runway at 6.90 m/s²for 30.31 s until is finally lifts off the ground. Determine the distance traveled before takeoff.

2. An object that is initially traveling with a velocity of 20.0 m/s i is subject to a constant acceleration at t= 0. a) If the object moves a distance of 45.0 m in the x-direction over a time of 10.0 seconds, what is the constant acceleration of the object over that time?