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Describe three everyday examples of objects that behave like projectiles.
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- Problem 3. On a hockey table, pucks A and B of 170 g each impact according to the figure shown. If they collide at 0 and rebound along the indicated trajectories, determine the speed of each puck right after the crash. The discs float due to the air coming out of the table. therefore there is no friction. 57 y 28° X B 30° 40° velocity in 40 m/s to A, 60 m/s to BD. A. 98.23 percent 113.10 percent E. 94.76 percent 117.60 percent 108.20 percent B. C. 103.70 percent F. 1--1 IZJWR A can of Coke moving 18.1 m/s toward the right (the positive direction) collides with a can of Pepsi moving 4.36 m/s toward the left, and both cans are badly crunched. If the final velocity of the can of Coke is 5.63 m/s still toward the right, then what is the final velocity of the can of Pepsi? Assume the two cans have equal masses. 6. D. 9.60 m/s 6.26 m/s 8.11 m/s 7.74 m/s E. 9.33 m/s F. 7.83 m/s 1--1 IZJXD During a spacewalk, a 126 kg astronaut (including her spacesuit) is at rest and holding a 4.7 kg wrench. If she throws the wrench with speed 16 m/s, then what will be her recoil speed? 7. A. 0.6883 m/s D. 0.6200 m/s 0.4844 m/s E. 0.5996 m/s 0.5968 m/s F. 0.4480 m/s ARC ABC 1--1What is a projectile? Give two examples?
- in whole vector experiment . my doctor want me to write a 5 lines about what I have learned from this screenshot.WCLN.ca PHYSICS 11/20 11. Sketch the general shapes of dy vs t, vy vs t, and ay vs t graphs for Type 1 projectiles. Use arrows and wording to explain how the various characteristics of these graphs change (or don't change) depending on the problem. ay dyA. If you catch the ball, with what speed do you and the ball move afterwards? B. If the ball hits you and bounces off your chest so that afterward it is moving horizontally at 8.25 m/s in the opposite direction, what is your speed after the collision?
- 7.5 ft 43 ft 10 ft Samantha has the opportunity to win 1 million dollars by sinking a half court shot. She shoots the basketball with a speed of 53.3 ft/s from the location shown.m1= 2kg V1=10 m/s (east) m2=10kg V2=20 m/s (30 south of west) The collision is completely inelastic. A. Find the x-velocity after the collision ( V'x). B. Find the y-velocity after the collision ( V'y). C. Represent the final velocity vector ( V') graphically D. Find the magnitude |V'| E. Find the direction.Please solve the problem. Please show all solutions. Lesson: Projectile Motion Three objects of different masses (1 kg, 5 kgs and 10 kgs) are all launched at the same angle (45°), which do you think will have the longest range provided they have the same initial velocity (neglect air resistance). Why? You can verify using the simulation.
- Problem 2 The University of Hartford Ice Hockey Club is working on a practice drill where two players try to precisely collide pucks from progressively larger distances. Two identical hockey pucks are moving along the ice in West Hartford's Veterans Memorial Ice Rink and collide as shown after traveling with perpendicular directions and equal speeds of VA = VB = 4 m/s. Assuming a coefficient of restitution e = 0.9, determine the magnitude and direction of the velocity of each puck after impact. 15° A VB1. If you are spearing a fish in the water, will you aim at the fish directly? Why or why not?9:32 O 1 o0 24 A railgun is capable of shooting a projectile at speeds of about 3 000 m/s. A certain scientific railgun used for railgun research is aimed at an angle of 30° from the horizontal. After some time, the projectile hits the ground. The railgun is planted on the ground, so assume that xo = 0 and yo = 0. a. Calculate Vor and voy. b. Calculate the range of the projectile c. From your results in (a) and (b), use the equation for x(t) to calculate the total air time of the projectile. d. From your results in (a) and (c), calculate v̟(t) and v,(t) as it hits the ground. e. From your results in (d), calculate the magnitude of the velocity v of the projectile as it hits the ground. f. From your results in (a) and (d) and using the time-independent equation discussed in Worksheet 9, calculate the maximum height of the projectile. ||
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