Dear students: I send you some practice exercises before the partial
Remember that partial items are
Free Fall, Motion in two dimensions, the problem of the tours.
1. A ball is thrown vertically upward with an initial speed of 23 m / s. What are their positions and velocities after 1 4 and 8 seconds?
2. A plane flying horizontally at 500 mi / h drop a packet. After 4 seconds, the packet reaches the ground. How high was the plane?
3. In the previous problem What was the horizontal scope of the package thrown and what the components of its velocity final?
4. A person wants to affect a target that has a horizontal reach of 12 km. What should be the speed of an object designed with 35-degree angle to fall into the blank?
How long it stays in the air?
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