Kinematics 2D Day 3 Notes

A football is kicked with an initial velocity of 25 m/s at an angle of 45-degrees with the horizontal. Determine the time of flight, the horizontal distance, and the peak height of the football.

• t=3.61s

  x = 63.78m

  y = 15.94m

• t=6.85s

  x = 16.3m

  y = 12.18m

• t=6.31s

  x = 16.3

  y = 12.1

A long Jumper leaves the ground with an initial velocity of 12 m/s at an angle of 28-degrees above the horizontal. Determine the time of flight, the horizontal distance, and the peak height of the long-jumper.

• t=1.15s

  x = 12.18m

  y = 1.62m

• t=3.61s

  x = 23.71m

  y = 1.68m

• t=3.61s

  x = 1.62m

  y = 12.18m

A hunter aims his bow and arrow 5 degrees above the horizontal and releases the bow. The arrow leaves the bow with a velocity of 120 ft/s towards a deer on the other side of a field, What is the range of the arrow? (4sf)

• 68.4m

• 23.71m

• 1.62m

An arrow is fired into the sky at an angle of 55 degrees to the horizontal. It lands down field with a range of 77.35 meters. What is the initial velocity of the arrow? 3sf

• 13.5m/s

• 28.4m/s

• 5.44m/s

A golf player hits a golf ball with an initial velocity of 83.0m/s at 40 degrees. How long did it take to reach maximum height? How far did the ball travel?

• t= 5.44s

  x = 692.28m

• t=106.7s

  x = 692.28m

• t=106.7s

  x = 451.85m

A football is kicked at an angle 37.00 with an unknown initial velocity and lands 45.0 meters down field Find the max height of the football.

• 1.32m

• 8.48m

• 8.43m

A football is kicked at an angle 37.00 with an unknown initial velocity and lands 45.0 meters down field.  Find the time to reach maximum height.

• 1.32s

• 2.64s

• 8.5s

A football is kicked at an angle 37.00 with an unknown initial velocity and lands 45.0 meters down field. Find the time in the air before striking the ground.

• 2.63s

• 8.64s

• 12s

An arrow is fired at a target hanging in a tree. If the arrow is fired at an angle of 35 degrees with a velocity of 58m/s and hits the bulls-eye of the target which is 100m away. How high off the ground is the target?

• 15.5m

• 58m

• 2.10m

• 48.26m

A boy is standing near the edge of a cliff and sees a snake on the ground. If the cliff is 37m high and he throws a rock at the snake with a velocity of 22m/s at 10 degrees below the horizontal. How far away is the snake from the base of the cliff if he ends up hitting the snake?

• 37m

• 51.8m

• 2.93m

• 27.7m