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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.
Projectile Motion • Projectiles > objects given an initial velocity that then move under the force of gravity • Trajectory > the path followed by a projectile > The path is a curve called a parabola 1 2
Step 1: Determine how long the object was in the air. Use the equation d = 1⁄2 at2 and solve for time. Rearrange the equation into. 1. = 2. 2 = 2. = 2. Our shortcut equation for finding the time an object hits the ground from a height of “d”. top of a 122.5 m cliff. How far from the base of the cliff will the object strike the ground?
In order to explore and describe motion in more than one dimension, we shall study the motion of a projectile in two-dimension moving under the action of uniform gravitation.
Calculate the horizontal and vertical components with respect to velocity and position of a projectile at various points along its path. Solve problems for projectiles launched horizontally and at various angles to the horizontal to calculate maximum height, range, and overall time of flight of the projectile.
MOTION OF A PROJECTILE Today’s Objectives: Students will be able to: 1. Analyze the free-flight motion of a projectile. In-Class Activities: •Check Homework •Reading Quiz •Applications •Kinematic Equations for Projectile Motion •Concept Quiz •Group Problem Solving •Attention Quiz
PROJECTILE MOTION WORKSHEET. 1. A stone is thrown horizontally at 8.0 m/s from a cliff 80m high. How far from the base of the cliff will the stone strike the ground? 2. A toy car moves off the edge of a table that is 1.25m high.
