Use the pythagorean theorem to answer the following question. a ping-pong ball is shot straight north from a popgun at 4.0 m/s. the wind is blowing to the west at 3.0 m/s. what is the actual velocity of the ping-pong ball?

Answer : The actual velocity of the ping-pong ball is, 5 m/s

Explanation :

Using Pythagorean theorem :

The diagram is shown below.

From the diagram we conclude that,

AB = 4 m/s

BC = 3 m/s

AC = ?

Now put all the given values in this formula, we get

Therefore, the actual velocity of the ping-pong ball is, 5 m/s

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

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