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- 3.On level ground a shell is fired with an initial velocity of40.0 m/s at 60.0° above the horizontal and feels no appreciable air resistance.(a) Find the horizontal and vertical components of the shell’s initial velocity. (b) How long does it take the shell to reach its highest point? (c) Find its maximum height above the ground. (d) How far from its firing point does the shell land? (e) At its highest point, find the horizontal and vertical components of its acceleration and velocity.2. A pool ball rolls off a flat table with a speed of 8m/s. The ball lands 3m from the base of the table. How tall is the table? Ax Vi Vf a At X yHannah fires a potato from a cannon at the top of a 60.0 m high cliff with a velocity of 25 m/s [53° above horizontal]. a. Find the maximum height it can reach above the ground. b. Find the impact velocity.
- 4. A baseball is thrown at an angle of 30 degrees above the horizontal with an initial speed of 8 m/s. If the catcher's hand is vertically higher than the point of origin of the ball by 0.4 m, a. how far horizontally should he be from the pitcher for a perfect catch? b. What is the total time of travel of the ball from the pitcher to the catcher if a perfect catch was made in no. 7?A golfer goes to chip the ball. The closest edge of the green is 60 m away and the furthest edge of the green is 80 m away. He hits the ball with an initial velocity of 30 m/s at a 40 degree angle. With this range, will the ball land on the green? O a. Yes O b. NoA person swings from a trapeze, projects herself at angle of 53 degrees, and is supposed to be caught by person B, whose hands are 6.1m above and 8.2m horizontally from persob A's launch point. a. What initial speed must Person A have just to reach person B? b. If person B misses person A completely as she flies past, how far horizontally does person A travel, from her initial launch point, before landing in the safety net 8.6m below her starting point? PROVIDE ILLISTRATION
- 3-please see attached6. A projectile is launched at ground level with an initial speed of 46.0 m/s at an angle of 35.0° above the horizontal. It strikes a target above the ground 2.70 seconds later. What are the x and y distances from where the projectile was launched to where it lands? 7. A ball is thrown horizontally from the top of a 54.0-m building and lands 117.3 m from the base of the building. Ignore air resistance. (Assume the ball is thrown in the +x direction and upward to be in the +y direction.) (a) How long (in s) is the ball in the air? s (b) What must have been the initial horizontal component of the velocity (in m/s)? (Indicate the direction with the sign of your answer.) m/s (c) What is the vertical component of the velocity (in m/s) just before the ball hits the ground? (Indicate the direction with the sign of your answer.) m/s (d) What is the velocity (in m/s) (including both the horizontal and vertical components) of the ball just before it hits the ground? magnitude…4-
- 3. A baseball player throws a 145g ball toward home-plate from the out-field. The throw was made at 30.0m/s, 30.0° above horizontal [South]. If the baseball player releases the ball 2.45m above the ground; a. Determine the velocity (speed and direction) at the moment the ball strikes the 'turf (ground). b. Determine the time at which the ball possessed a minimal amount of kinetic c. Determine minimum level of kinetic energy for the ball throughout its flight. | energy.3. The highest barrier that a projectile can clear is 13.5 m, when the projectile is launched at an angle of 15.00 above the horizontal. What is the projectile's launch speed?