A student fires a cannonball horizontally from on top of a building as shown. The ball remains in the air for 6s. Neglect drag. 10m/s Round all values to nearest whole numbér, if necessary. m/s ay m/s m/s m/s 3. 4. 6.
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- 7. A projectile is fired horizontally at 9 m/s from a 7.2 m high wall. a. Find its speed when it reaches the ground. b. At what angle does it hit the ground?A TI Yo Ac As Inv Eva Knc need to: 1. Ignore air resistance when answering all parts of this question. a. A golf ball is hit at 60.0° to the horizontal with an initial velocity of 1.50 x 102 ms¹. It lands at the same height from which it is hit. i. Show that the initial vertical velocity of the ball is 1.30 x 102ms¯ (1) 1/2 ii. Find the time of flight of the golf ball. iii. Calculate the range of the ball. KA1 (1) KA2 (3) KA2 (2) b. A baseball is hit at the same angle and initial speed as the golf ball in part a. However, its initial height is 1.3m above the ground. Explain why the baseball will travel further than the golf ball from part a.1. A Projectile with a muzzle velocity of 550 m/sec is fired from a gun on top of a cliff 460 m above sea level. If the projectile hits the ocean surface 49.2 seconds after being fired, determine: Draw the figure properly. No figure no point. a. The angle of elevation of the gun; b. The range c. The highest point attained above the cliff. y V, H water surface (w.s.) R
- When a field goal kicker kicks a football as hard as he can at 45 to the horizontal, the ball just clears the 3-m- high crossbar of the goalposts 45.7 m away. (a) What is the maximum speed the kicker can impart to the football? (b) In addition to clearing the crossbar, the football must be high enough in the air early during its flight to clear the reach of the onrushing defensive lineman. If the lineman is 4.6 m away and has a vertical reach of 2.5 m, can he block the 45.7-m field goal attempt? (c) What if the lineman is 1.0 m away?Name: ID: A 3. A ball is thrown horizontally from the top of a building 0.10 km high. The ball strikes the ground at a 65 m horizontally away from and below the point of release. What is the speed of the ball just before it strikes the ground? point a. 43 m/s 47 m/s b. 39m/s d. 36 m/s C. 14 m/s 4. A baseball is hit at ground level. The ball is observed to reach its maximum height above ground level 3.0 sf (1) Facebook mid ques.pdf O File C:/Users/use/Documents/Phy107/mid%20ques.pdf Apps I Semantic Segmenta. A 438 sol M Learning to Read: C.. M The latest in machi. AWS Management. O Create an Artificial. H Deep High-Resoluti. Other bookmarks E Read mid ques.pdf 2 / 3 200% displacement of the object in unit vector notation. Question 4 (a) For a projectile the maximum height is 25 meter and range is 120 meter. (i) What is the magnitude direction of the initial velocity of the projectile (ii) What is the magnitude of the velocity of the projectile 1.00 s before it achieves its maximum height? (iii) What is the magnitude of the velocity of the projectile 1.00 s after it achieves its maximum height? If we take x = 0 and y = 0 to be at the point of maximum height and positive x to be in the direction of the velocity there, what are the (iv) x coordinate and (v) y coordinate of the projectile 1.00 s before it reaches its maximum height and the (vi) x coordinate and (vii) y coordinate 1.0 s…
- PHYSICS. RATE WILL BE GIVEN! NO LONG EXPLANATION NEEDED. MULTIPLE CHOICE: CHOOSE THE CORRECT ANSWER A golfer strikes a golf ball with his golf club at 42 m/s and at 30° above the horizontal. If air resistance and wind are neglected, and if the golf course is perfectly flat and horizontal, at what speed would the golf ball land on the ground? a. 75 m/s b. 42 m/s c. none of the given choices d. 112 m/s e. 225 m/sA rifle is capable of shooting a bullet to an initial speed of 200m/s, if it is shot 60degrees upward, what is the maximum range? Neglect air resistance and consider gravity is constant 9.81m/s^2. a. 3352.1 b. 3531.2 c. 5132.3 d. 5331.2A bomber is flying at 300 mi/hr horizontally at an altitude of 2000 ft. Its target is a ship sailing at 15 mi/hr in theopposite direction and in the same vertical plane as the bomber. How far from the ship should the bomberrelease its bomb to score a direct hit? a. 5149.25 ft c. 4904.05 ftb. 1552.94 ft d. 2455.19 ft
- 10. Convert the following vectors to component form. Include sketches a. E = 120 m/s at 41° W of N b. D = 42 m at 35° S ofE c. F= 75 N at 15° S of W3. You are trying to roll a ball off a 80.0 cm high table so you can squash a bug sitting on the floor 50.0 cm away from the end of the table. How fast should you roll the ball?The balls velocity initial is 10.43 m/s. What is the balls angle?