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- Question 7 of 16 A student drew the relation between the hegt Ihs and the square of the horzantal range D2 in projectle experiment by dropping the ball each time from the same hieght y. What is the velocity Vo? (The gravity acceleration gis 9.8 m/s)? 0332.4cm/s 145cm/s 0313cm/s 0980cm/s 031.3cm/s B Vo S 4 2 1 0 0 100 300 400 D'(an) 500 600A spider crawling across a table leaps onto a magazine blocking its path. The initial velocity of the spider is 0.860m/s at an angle of 40degrees above the table, and it lands on the magazine 0.0760s after leaving the table. Ignore air resistance. How thick is the magazine? Express your answer in millimeters.Before jumping from the bridge, Martin throws his water bottle to a friend standing on the bank of the lake. The bridge is 7.0 m high. The friend is standing on the bank 15.0 m from the base of the bridge with their hand 1.0m above the ground. What speed must Martin throw the bottle horizontally for it to reach his friend's hand?
- In the Marvel comic series X-Men, Colossus would sometimes throw Wolverine toward an enemy in what was called a fastball special. Suppose Colossus throws Wolverine at an angle of 8 = 23.0° with respect to the ground (see figure below). Wolverine is d = 2.08 m above the ground when he is released, and he leaves Colossus's hands with a speed of v, = 17.1 m/s. (a) Using conservation of energy and the components of the initial velocity, find the maximum height attained by Wolverine during the flight. (b) Using conservation of energy, what is Wolverine's speed the instant before he hits the ground? m/sA rock is thrown from a bridge 21 m above water with an initial speed of 14 m/s. Assuming negligible air resistance, what is the speed that the rock hits the water with, in meters per second?A) A student throws a dart horizontally toward the center of a target, X, at a speed of 20 m/s as shown. The dart flies for 0.1 s and then hits below the center, at Y. How much lower, in m, does it hit? B) A drone at too great a height drops a box. The box drops straight down the ground and hits at 100 m/s smashing the contents. Neglecting air friction, approximately, how high, in m was the drone? C) is in the picture
- A crazy, young boy on a sled is able to get up to an incredible speed of 22.5 m/s (yes, he is wearing a helmet!)along a frictionless horizontal surface while he approaches an icy hill with a vertical height of 11 m, as shown.He makes it to the top, and then fies of horizontally from the ledge of the hill. How far from the base of thehill does the boy land?Juliet is standing in front of a wall and Romeo is at a window above her at a height of 3.61 m from the ground. Juliet tosses a box of candy straight up with speed 7.50 m/s from a height of 1.53 m above the ground. Ignore any effects due to air resistance. To receive full marks, you must include a diagram showing the physical situation and your choice of coordinate system. (a) Will the box reach Romeo? O Yes O No (b) If so, what is the box's speed when it reaches Romeo? If not, what initial speed must the rock have to reach Romeo? m/sChris and Steve push a huge boulder (m = 65 kg) to the top of an 18 m cliff. The boulder is moving with a speed of 6.0 m/s when it tumbles over the edge of the cliff. How fast will it be going when it hits the ground? (no air resistance)
- An object fell from the balcony of a high-rise building. It hit the ground with a final speed of 14 m/s. The vertical height of the balcony must have been?A ball rolls horizontally off the edge of a tabletop that is 1.40 m high. It strikes the floor at a point 1.32 m horizontally away from the table edge. (Neglect air resistance. (a) How long was the ball in the air? (b) What was Its speed at the instant it left the table? m/s Submit 0ncuorA fox fleeing from a hunter encounters a 0.770 m tall fence and attempts to jump it. The fox jumps with an initial velocity of 7.30 m/s at an angle of 45.0°, beginning the jump 1.93 m from the fence. By how much does the fox clear the fence? Treat the fox as a particle.