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Projectile problems are presented along with detailed solutions. These problems may be better understood when projectile equations are first reviewed. An interactive html 5 applet may be used to better understand the projectile equations.
Projectile Motion: Practice Problems with Solutions Physexams.com 1. A missile is shot horizontally from the top of a 500m cliff with an initial speed of 300m/s (a) Find the time it takes for the missile to hit the ground. (b) What is the range of the missile? (c) Calculate the velocity of the missile just before it hits the ground.
At what angle should the nozzle point in order that the water land 2.0 m away? Why are there two different answers to this problem? A bullet traveling 800 m/s horizontally hits a target 180 m away.
Angle-launched projectiles are objects projected at an angle to the horizontal. Their motion begins with both an x- and y-velocity component. Projectiles have no horizontal acceleration and a vertical acceleration of 9.8 m/s/s, ↓. At the highest point (the “peak”), the vertical velocity is 0 m/s.
Solving Problems Example: A ball is thrown up at an angle. The vertical velocity is initially 2 m/s. It reaches its highest point after .2 seconds. How high did it go? What key words are there? Are they asking about horizontal or vertical information?
(ii) Find the angle between the direction of motion and the horizontal as the ball hits the ground at P. (2 marks)
Detailed Solutions. Problem 1. An object is launched at a velocity of 20 m/s in a direction making an angle of 25° upward with the horizontal. a) What is the maximum height reached by the object? b) What is the total flight time (between launch and touching the ground) of the object?
