Acceleration - miles
1. A truck covers 43.9 m in 7.3 s while smoothly slowing down to a final speed of 2.6 m/s. Find its original speed.
2. Find its acceleration.
3. A Cessna aircraft has a lift-off speed of 92 km/h. What minimum constant acceleration does this require if the aircraft is to be airborne
after a take-off run of 236 m?
4. How long does it take the aircraft to become airborne?
Throwing Up & Freefall - miles
1. ball is thrown vertically upward with a speed of 28 m/s. How high does it rise? The acceleration due to gravity is 9.8 m/s2.
2. How long does it take to reach its highest point?
3. How long does it take the ball to hit the ground after it reaches its highest point?
4. What is its velocity when it returns to the level from which it started?
5. A parachutist with a camera, both descending at a speed of 9.3 m/s, releases the camera at an altitude of 49.3 m. What is the magitude of the velocity of the camera just before it hits the ground? The acceleration of gravity is 9.8 m/s2 and air friction is negligible.
6. How long does it take the camera to reach the ground?