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Final Jeopardy QuestionHorizontal Problems Components100Relative Velocity500400300200100100100200200200300300300400400400500500500ProjectilesLaunch at An Angle2 Which of the following plays a determining factor in the time of travel for a projectile?Horizontal speedHorizontal displacement Vertical displacement Acceleration due to gravity

Back Horizontal Problems 100 ptsC and DBack Horizontal Problems 100 pts Answer BackPredict the path of an object dropped from an airplane would take.

A. B. C. D. E.

Which of the following remains unchanged as an object travels along a trajectory?a.Vy, b. Vx, c. Y position, d. X position, e. ax f. ay BackHorizontal Problems 200 ptsA runner moves 3 km E and then 4 km N. What is the runners displacement?Back Components100ptsBack Horizontal Problems 300 pts A. Describe what happens to the velocity components of an object launched at an angle as it travels along its trajectory. BackProjectilesAt an angle 100 ptsA man walks east at 5m/s on a moving walkway that is moving 3m/s east. What is the mans velocity relative to a stationary observer?BackRelative Velocity 100 ptsBackComponents 200 ptsA person is shot out of a cannon with an initialVelocity of 3m/s at an angle 20 degrees. Determine the components VxVyBackDetermine the total time a projectile is in theAir if it was shot at a 45 degree angle with an initial velocity of 22 m/s landing at the same Height it started? Projectiles 200pts5km at 53 degrees. BackComponents 100 ptsA man walks at a speed of +4 m/s relativeA man who is walking towards him movingAt -1 m/s relative to a stationary observer.What is the firsts mans speed relative to the Stationary observer?BackRelative Velocity200 ptsBackProjectiles300ptsDetermine the range of a project if it was shot at a 45 degree angle with an initial velocity of 22 m/s landing at the same Height it started?A boat in still water takes 40 s to cross a 30m wide river. If the current in this river is moving downstream at 1m/s what is the boats velocity relative to a person standing on the shore?BackRelative Velocity300 ptsBackComponents300 pts13.7m/sBack Horizontal Problems 400 pts Answer

2s Ax = 0 m/s/sAy = 9.8 m/s/sBackComponents 400 ptsAnswerBack Projectiles 300

Determine the max height of a projectile if it was shot at a 45 degree angle with an initial velocity of 22 m/s?BackComponetns 500 ptsAnswer Vx = 16.4m/sVy = 0BackRelative Velocity 400 ptsTwo men moving at 6m/s step on to a moving walkway on opposite ends. The velocity is 4m/s east and is 10m long. What is the relative speeds of the men with respect to a stationary observer? Back Projectile 500 pts

Determine the total time and range of a projectile shot from a 20 m high cliff at a 45 degree angle with an initial velocity of 22 m/slanding on the ground below?

31BackConservation of energy500 ptsTwo men moving at 6m/s step on to a moving walkway on opposite ends. The velocity is 4m/s east and is 10m long. How much time does it take for the men to meet? 41BackUse y-yi = 0 =vyi*t + 1/2gt^2t= 2Vyi/g =3.4 sProjectiles200ptsAnswerBack Horizontal Problems 500pts Answer

4m BackProjectile300ptsAnswerX-Xi = Vx tX = (22 cos 45)(3.4s)X =620 m Projectile 400pts

Y-0 = -Vyi2/2g orY-0 = Vyi*t1/2 g t1/22

Y = -(22Sin45)2/2g=12.34 m

Back30Projectiles500 ptsAnswerTime =X-Xi = BackRelative Velocity100 ptsAnswer8m/s?BackBackRelative Velocity 200 pts

+3m/sRelative Velocity 300 ptsAnswerBack1.25 m/s at 53 SE10 m/s east2 m/s west Conservation of energy400 ptsAnswerBackRelative velocity500 ptsAnswerBack8.3m.