An elastic loaded water balloon launcher fires balloons at an angle of 52°with the ground. If the initial velocity of the balloon is 25 m/s, determine a)how far away from the launcher will each balloon land when it just comes in contact with level ground once more?
b)How high above the ground is the balloon at 3 seconds?
c)How high above the ground is the balloon after it has traveled 40 meters?

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

Astudent is performing an experiment comparing sound and light waves. the student gathers the following data. what conclusion does the student most likely make based on this data? light waves always travel the same speed; however, the speed of sound is determined by the medium that it travels through. all sound waves always have the same energy, so the temperature of the medium does not affect wave speed. light needs to vibrate particles, so it travels fastest in tightly packed solids, while sound does not need a medium, so it travels fastest in a gas. tightly packed particles in solids slow down the light waves; however, sound waves make particles bounce into each other, so they travel faster in solids.

The record distance in the sport of throwing cowpats is 81.1 m. this record toss was set by steve urner of the united states in 1981. assuming the initial launch angle was 45° and neglecting air resistance, answer the following. (a) determine the initial speed of the projectile. m/s