is thrown with initial velocity ķ inc line sur face directiy up the fmce f of inclination angle 8, an ,as shown. At what angle from te honzonda ),x, should Hhe ball be maxinum posble aimed to obtain He R up He inclive sur face? range
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- A Tennis player hits a ball 2.0 m above the ground at an angle 5º above the horizontal. The horizontal distance to the net is 7.0 m and the net is 1.0m high. What is the minimum initial speed, vi, needed to clear the net? (Hint: this is like the problem done in the handout, but since we don’t know the initial speed, we have to find horizontal and vertical components and the time symbolically and carry that through.) Im so confused and don't know where to start...Dominador, who is standing on the edge of an 80-m tall cliff facing the sea, kicks a ball horizontally at a speed of 13.01 m/s. How far from the base of the cliff will the ball hit the sea water? Let be the initial verticinclude FBD A player throws a baseball upward with an initial velocity of 30 fps andcatches it with a baseball glove. When will the ball strike the glove? What isthe highest point? What will be the final velocity as it strikes the glove? Assumethat the glove is positioned in the same elevation when the ball left his hand.
- In 2007, Michael Carter (U.S.) set a world record in theshot put with a throw of 24.77 m. What was the initial speedof the shot if he released it at a height of 2.10 m and threw itat an angle of 38.0º above the horizontal? (Although themaximum distance for a projectile on level ground is achievedat 45º when air resistance is neglected, the actual angle toachieve maximum range is smaller; thus, 38º will give alonger range than 45º in the shot put.)A ball is launched from ground level at 25 m/s at an angle of 55^o above the horizontal.how far doe it go before it is at the ground level again?A golfer hits a ball and gives it an initial velocity of 40 m/s, at an angle of 30º above the horizontal. How long does the ball stay in the air? How far horizontally (the range) does the ball travel before hitting the ground?
- A quarterback throws a football toward a receiver with an initialspeed of 20. m/s at an angle of 30.° above the horizontal.At that instant the receiver is 20. m from the quarterback. In(a) what direction and (b) with what constant speed shouldthe receiver run in order to catch the football at the level atwhich it was thrown?A projectile is shot at ahill, the base of which is 300 m away. Theprojectile is shot at 60°above the horizontalwith an initial speed of 75 m/s. The hill can beapproximated by a plane sloped at to thehorizontal. Relative to the coordinate systemshown in the following figure, the equation ofthis straight line is y= (tan 20°) x−109 in SIunits. Where on the hill does the projectileland? How long does the trip take?Answer the following questions for projectile motion on level ground assuming negligible air resistance (the initial angle beingneither 0º nor 90º ): (a) Is the acceleration ever zero? (b) Is the acceleration ever in the same direction as a component ofvelocity? (c) Is the acceleration ever opposite in direction to a component of velocity?
- If you wanted to plot the range R (o the y-axis) versus a quantity that depends on the initial speed vi, not angle, such that the plot would be a straight line, what quantity would you choose to plot on the x-axis?A gun fires a shell with a velocity of 600 m/sec at an angle of 45°with the horizontal. Neglecting ail' resistance, (a) determine the range of thisgun, (b) determine the maximum height reached by the shell, and (c) determinethe time of flight of this shell on level ground.Given vi = 10 m/s If the projectile is intended to hit a target + 12.8 m downrange (delta x), 1) how tall should the launcher be? give launch degree =0 (launch horizontally) should I use horizontal motion of a projectile equation? 2) is there any vi x and vi y value?