3. A hunter is standing in a tree stand 15 m off the ground. He shoots his rifle horizontally at a target (no animals were harmed in the creation of this problem) that is standing 2,500 m away from the base of the tree. He missed the target and the bullet hit the ground. How fast was the bullet traveling when it left the barrel of the rifle?
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- A baseball player hits the ball and then runs down the first base lineat 20 ft/s. The first baseman fields the ball and then runs toward first basealong the second base line at 18 ft/s as in Figure 7.If a rock is thrown vertically upward from the surface of Mars with velocity of 15 m/s, its height (in meters) after t secer is h= 15t-1.86². (a) What is the velocity (in m/s) of the rock after 3 s? 3.84 m/s (b) What is the velocity (in m/s) of the rock when its height is 10 m on its way up? On its way down? (Round your answers to two decimal places.) up 22.2 x m/s down -22.2 x m/s Need Help? Submit Answer Read ItSuperman needs to save Lois from the clutches of Lex Luthor. After flying for 6 seconds, he is 1746 meters from her. Then at 14 seconds he is 1274 meters from her.What is Superman's average rate? meters per secondHow far does Superman fly every 12 seconds? metersHow close to Lois is Superman after 26 seconds? meters
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