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1. In the absence of air resistance, a projectile is launched from and returns to ground level. It follows a trajectory similar to that shown
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In the absence of air resistance, a projectile is launched from and returns to ground level. It follows a trajectory similar to that shown in Figure 3.10 and has a range of 19 m. Suppose the launch speed is doubled, and the projectile is fired at the same angle above the ground. What is the new range? H = Maximum height R = Range Figure 3.10 R = VA soccer player kicks the ball toward a goal that is 18.0 m in front of him. The ball leaves his foot at a speed of 14.2 m/s and an angle of 37.0 above the ground. Find the speed of the ball when the goalie catches it in front of the net. Number UnitsSu ppose you are driving due east, traveling a distance of 1500 m in 2 minutes. You then turn due north and travel the same distance in the same time. What can be said about the average speeds and the average velocities for the two segments of the trip? 0 The average speeds and the average velocities are the same. 0 The average speeds are the same, but the average velocities are different 0 The average speeds are different, but the average velocities are the same. Each drawing shows three points along the path of a projectile, one on its way up, one at the top, and one on its way down. The launch point is on the left in each drawing. Which drawing correctly represents the acceleration a of the projectile at these three points? a=0 m/s a =0 m/'s 2 a =0 m/'s 2 LAJ 4 5Two trees have perfectly straight trunks and are both growing perpendicular to the flat horizontal ground beneath them. The sides of the trunks that face each other are separated by 1.10 m. A frisky squirrel makes three jumps in rapid succession. First, he leaps from the foot of one tree to a spot that is 1.20 m above the ground on the other tree. Then, he jumps back to the first tree, landing on it at a spot that is 1.80 m above the ground. Finally, he leaps back to the other tree, now landing at a spot that is 2.40 m above the ground. What is the magnitude of the squirrel's displacement? Number i UnitsStep by Step Solution
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