1. a bus was running at 30 m/s. Upon approaching a school zone, the driver applied the brakes for 10 seconds and slowed it down to 15 m/s. find the acceleration.

a: initial speed of the bus:

b: final speed of the bus:

c: time it took for the bus to slow down:

d. the acceleration of the bus:

2. a fighter jet landed on an aircraft carrier with a speed of 150 km/hr and stopped in 3 seconds with the help of the arresting cables.

a: initial speed of the plane:

b: final speed of the plane:

c: time it took for the plane to stop:

d. the acceleration of the plane:

3. A road sign shows the speed limit of 30 km/hr for school zones. suppose a vehicle is travelling on a freeway with no traffic. as the vehicle approaches a school zone, how would you describe its acceleration?