Which Kinematics Equations should I use?

A jet plane lands with a speed of 100 m/s and can accelerate uniformly at a maximum rate of -5.0 m/s² as it comes to rest.  Can this plane land at an airport where the runway is 800 m long?

• v_f² = v_i² + 2ad

• v_f = v_i + at

Tags

NGSS.HS-PS2-1

An automobile with an initial speed of 4.30 m/s accelerates uniformly at the rate of 3.0 m/s².  Find the final speed after 5.0 s.

• v_f² = v_i² + 2ad

• v_f = v_i + at

Tags

NGSS.HS-PS2-1

A driver of a car traveling at 15.0 m/s applies the brakes, causing a uniform acceleration of -2.0 m/s².  How long does it take the car to accelerate to a final speed of 10.0 m/s? 

• v_f² = v_i² + 2ad

• v_f = v_i + at

Tags

NGSS.HS-PS2-1

A car traveling initially at +7.0 m/s accelerates uniformly at the rate of +0.80 m/s² for a distance of 245 m. What is its velocity at the end of the acceleration?

• v_f² = v_i² + 2ad

• v_f = v_i + at

Tags

NGSS.HS-PS2-1

A car accelerates uniformly in a straight line from rest at the rate of 2.3 m/s². How long does it take the car to travel 55 m?

• v_f² = v_i² + 2ad

• v_f = v_i + at

Tags

NGSS.HS-PS2-1

A Ferrari is capable of accelerating at a uniform rate of 0.85 m/s².  What is the magnitude of the car’s displacement as it accelerates uniformly from a speed of 23.1 m/s to one of 26.1 m/s?

• v_f² = v_i² + 2ad

• v_f = v_i + at

Tags

NGSS.HS-PS2-1

A car with an initial speed of 6.58 m/s accelerates at a uniform rate of 0.92 m/s² for 3.6 s.  Find the displacement of the car during this time.

• v_f² = v_i² + 2ad

• v_f = v_i + at

Tags

NGSS.HS-PS2-1

A car accelerates uniformly from rest to a speed of 6.58 m/s in 6.5 s.  Find the distance the car travels during this time.

• v_f² = v_i² + 2ad

• v_f = v_i + at

Tags

NGSS.HS-PS2-1

Turner’s treadmill runs with a velocity of -1.2 m/s and speeds up at regular intervals during a half-hour workout.  After 25 min (1500 s), the treadmill has a velocity of -6.5 m/s.  What is the average acceleration of the treadmill during this period?

• v_f² = v_i² + 2ad

• v_f = v_i + at

Tags

NGSS.HS-PS2-1

A jet plane lands with a speed of 100 m/s and can accelerate uniformly at a maximum rate of -5.0 m/s2 as it comes to rest.  Can this plane land at an airport where the runway is 800 m long?

• v_f² = v_i² + 2ad

• v_f = v_i + at

Tags

NGSS.HS-PS2-1