Ten seconds after starting from rest, a car is moving at 40 m/s. What is the car's acceleration in meters per second per second?   a. 8 m/s2     b. 6 m/s2     c. 4 m/s2     d. 2 m/s2

An automobile with an initial speed of 20 m/s accelerates at a rate of 5 m/s2. Use one of your kinematic equations and find how fast the car is moving after accelerating for 3 seconds.    a. 15 m/s.   b. 225.5 m/s.   c. 35 m/s.   d. 400 m/s.

A car accelerates from rest for 6 seconds with a constant acceleration of 1.5 m/s?. Find the final velocity of the car. a. 9 m/s. b. 6 m/s. c. 1.5 m/s d. 3 m/s.

Speed (km/h) Time (s) 0.0 0 10 20 30 40 50 60 70 80 12. The Tesla Model S-Can accelerate to high speeds very quickly. The table below shows test data for the Tesla Model S as it travels along a straight line. a. Sketch a velocity vs time graph for this car. 90 100 110 120 b. C. 0.2 0.4 0.6 0.9 1.2 1.6 2.0 2.4 2.9 3.5 4.1 4.8 140 120 iii. iv. 100 80 60 How is the acceleration of this car best described? Zero? Constant but not zero? Increasing? Decreasing? Something else? Explain how you can tell. + What is the car's average acceleration in m/s² for the following times: i. ii. Osto 0.9 s 0.9 to 2.0 s 2.0 to 2.9 s 2.9 to 4.1 s v. 0 to 4.1 s Approximately how far has the Model S travelled once it reaches 120 km/h?

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

More people end up in U.S. emergency rooms because of fall-related injuries than from any other cause. At what speed v would someone hit the ground who accidentally steps off the top rung of a 4.0 m tall stepladder?   a. 8.9 m/s   b. 7.1 m/s   c. 6.2 m/s   d. 8.0 m/s   e. 9.8 m/s A spring gun launches a heavy steel marble with an initial speed of 19.6 m/s. How long will the steel marble be in the air?     a. 6.0 s   b. 2.0 s   c. 3.0 s   d. 5.0 s   e. 4.0 s A car is traveling in a straight line along a straight, level road at 15.0 m/s when it uniformly accelerates at 3.00 m/s2 for a time of 6.00 s. How far does the car travel in this time?     a. 90 m   b. 54 m   c. 126 m   d. 162 m   e. 144 m

2. A jet plane has a takeoff speed of vtakeoff = 73 m/s and can move along the runway at an average acceleration of 2.4 m/s2. The runway is 1.2 km. Write out the 3 Kinetic equations. a. b. Write out the values of initial position, initial velocity, and acceleration. How many seconds will it take for the plane to reach takeoff speed? с. d. How far will the plane have to travel to get to takeoff speed? will the plane be able to get to take off before it gets to the end of the runway? е.

The laboratory balances have a precision of 0.01g. If you are obtaining the mass of an approximately 5 gram sample, which of the following is a proper way to record this measurement in your laboratory notebook and on your report sheets.     4.92 g     4.92     4.925 g     5.00 g

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.

A hyena first notices a lion attacking when the lion is 12.5 m away and moving toward the hyena at a speed of 5 m/s. The hyena begins to accelerate away from the lion at 3m/s and the lion simultaneously begins to accelerate at 2m/s . a. How long in seconds it takes the lion to catch up with the hyena? b. How far in meters has the hyena traveled when the lion catches up with it?