Leonard and WilliamPro Problems > Physics > Motion and Forces > Projectile Motion
Leonard and William
BONUS: What can we conclude about the height at which the ping pong balls were fired?* 16
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A roof has a slope of 20 degrees, and a length of 20 meters. A box slides down the roof from the peak (assume a coefficient of kinetic friction of 0.15), until it reaches the edge of the roof. At this point, it falls 10 meters to the ground. How far from the building will the box land?
A hay baler shoots bales of hay out at a 30 degree angle. The bale of hay rises to a height of 3 feet above its launch position before it begins to fall. How far did the bale travel horizontally in that time?
Sometimes Physics problems happen in the strangest of circumstances. This morning my wife and children went grocery shopping. One child sat in the seat in the back of the grocery cart, and the other sat in the cute little "toy car" at the front of the cart. Today a roaster chicken was being purchased. In the process of putting the bird in the cart, my wife fumbled it, and then fumbled it again, and after bouncing from one hand to the other, it launched outward, and went through the window of the toy car, to land in the passenger seat next to my son.
We estimated the following information:
- After the fowl was fumbled, it flew out of my wife's hand in a horizontal manner.
- The poor creature traveled a horizontal distance of about 2 feet before joining my son in the cart.
- The vertical distance between the bird bobble and its berth was about 3 feet.
Based on this information, how fast was the bird flying when it hit the seat? Give your answer in miles per hour.
A slingshot is two meters off the ground. The ammunition is in contact with the slingshot for 0.02 seconds during launch. The ammunition is fired horizontally, and lands 12 meters from the launch point. If the ammunition has a mass of 0.5 kg, what was the force applied to the ammunition during launch?
A bullet is fired horizontally from a gun with an initial velocity of 600 ft/s. Wind resistance causes a horizontal acceleration of -2 ft/s2. If the bullet is 4 feet off the ground when it is fired, how far will it travel before striking the ground?
Someone has marked an X on the ground 15000 meters ahead of the jet's current location.
If cargo is to be dropped in order to land exactly on the X, and we assume no air/wind resistance, how many seconds should they wait before dropping the cargo?
A cannonball is fired from a cannon, at a height of 3 feet from the ground.
The cannonball travels 80 yards before hitting the ground. At what speed is the cannonball traveling when it hits the ground?