#Projectile formula free#

The velocity in the x-direction will stay constant. The velocity in the y-direction will increase because of the acceleration in the y-direction.

#Projectile formula free#

The displacement horizontally will be -30m because the downward direction is considered negative along with the acceleration of free fall, which is -9.81 m/s 2.įigure 4. Hence, the ball rolls off the cliff with an initial velocity of 0m/s in the y-direction. In the y-direction, the ball has a constant acceleration of 9.81m/s 2, which is caused by the gravitational force.īut what’s the initial velocity in the y-direction?Īs mentioned previously, because the motion in both x and y directions are independent of each other, the 5m/s velocity in the x-direction has no impact on the movement in the y-direction. To calculate d, the distance from the base of the cliff, we need to understand more about the motion in x and y directions.Īssuming there is no air resistance and just the gravitational force acting on the ball, the speed in the x-direction will be 5m/s until the ball hits the ground. Calculate the range d covered by the object.įigure 3. Figure 3 shows the projectile motion without an angle, i.e. The body hits the ground at a distance d away from the base of a cliff that has a height of 30 m. Suppose you have a body that rolls off a cliff with a velocity of 5 m/s. Total Internal Reflection in Optical Fibre.Newton’s and Huygens’ Theories of Light.Einstein's Theory of Special Relativity.Centripetal Acceleration and Centripetal Force.Electromagnetic Radiation and Quantum Phenomena.Galileo's Leaning Tower of Pisa Experiment.Magnetic Flux and Magnetic Flux Linkage.Potential Energy and Energy Conservation.Conservative and Non Conservative Forces.