A stone was thrown horizontally with initial velocity of 2.3 m/s. If the stone was positioned 111 m above the ground, find the horizontal displacement made by the stone as it hits the ground.
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- In the above drawing, a football is kicked from the ground with a velocity v at an angle θ andfollows the path indicated through the air. Anwer: The magnitude of the velocity at the moment the ball is kicked isa. vb. v cos θc. v sin θd. zeroe. 9.81104. A projectile is fired with an initial velocity of 193.2 ft per see upward at an angle of 30° to the horizontal from a point 257.6 ft above a level plain. What hori- ontal distance will it cover before it strikes the level plain? Ans. a 1340 ft1104. A projectile is fired with an initial velocity of 193.2 ft per sec upward at an angle of 30° to the horizontal from a point 257.6 ft above a level plain. What hori- ontal distance will it cover before it strikes the level plain? Ans. a 1340 ft 1106. Repeat Prob. 1104 if the projectile is fired downward at 30° to the hori- ontal.
- A ball is thrown at an initial height of 50 feet at an initial velocity of 65 feet/second at an angle of 75 degrees. Given the parametric equations y - 16t2 + Vo Sin(0)t + ho and x = Vo. Cos(0)t. When doing calculations, carry 5 digits of accuracy, so your round off does not build up. a. What is the ball's height in 2 seconds? 111.57035 v o feet. b. When will the object hit the ground? 4.60298 v o seconds. c. How far horizontally will the ball be when it hits the ground? 77.43702 v o feet. d. When will the ball be at its maximum height? 1.96204 o seconds. e. What is the ball's maximum height? 4.61479 x feet. feet f. How far horizontally will the ball be when it reaches its maximum height? 77.63571 ×1104. A projectile is fired with an initial velocity of 193.2 ft per sec upward at an angle of 30° to the horizontal from a point 257.6 ft above a level plain. What hori- zontal distance will it cover before it strikes the level plain? Ans. r 1340 ft 1105. Repeat Prob. 1104 if the projectile is fired downward at 30° to the hori- zontsl.Len-Len walked 50 m. South and then 100 m. East. What is her displacement in polar coordinate form? Show your solution Choices: a. 111.8 m., 26.57° b. 111.8 m., -333.43° c. 111.8 m., 26.57° S of E d. 111..8 m. SE
- Vector A has a magnitude of 8 units and makes an angle of 45.0 degrees with the positive x-axis. Vector B also has a magnitude of 8 units and is directed along the negative x-axis. The magnitude of A-B is: 1. on 4v2 45 4V7 Select one: O A. 14.78 O B. 4.65 O C. 8.22 O D. None O E. 12.44Please answer ASAP. 1.) To deliver food to a customer, Jungkook, the FoodPanda rider, drives 4.00 km north, then 6.00 km east, then 8.00 km in a direction 60.0° north of east. What is Jungkook’s net displacement? A.14.8 km, 42.5° north of east B.14.8 km, 47.5° north of east C.15.2 km, 31.7° north of east D.15.2 km, 58.3° north of east 2.) A cyclist is moving along a highway at 12 km/h and is heading north. He feels a wind blowing from the west to east at 5 km/h. What is the velocity of the cyclist relative to a stationary observer on the highway? A.12 km/h, north B.13 km/h, 67° north of east C.13 km/h, 67° north of west D.13 km/h, 23° north of west 3.) A 20.0-cm tall toy car is placed 60.0 cm in front of a converging mirror whose focal length is 30.0 cm. Which is the CORRECT description of the image formed? A.The image is upright, real, and 40. cm tall. B.The image is inverted, real, and 20.0 cm tall. C.The image is inverted, virtual, and 40. cm tall. D.The image is upright,…A quarterback throws a football while standing at the very center of the field on the 50 yard line. The ball leaves his hand at a height of 5 ft and has initial velocity vo = 51i +37j + 27k ft/s. Assume an acceleration of 32 ft/s² due to gravity and that the i vector points down the field toward the endzone and the j vector points to the sideline. The field is 150 ft in width and 300 ft in length. Determine the position function that gives the position of the ball t seconds after it is thrown. The ball is caught by a player 5 ft above the ground. Assume the player is standing vertically with both toes on the ground at the time of reception. (Use symbolic notation and fractions where needed.) r(t): =
- A quarterback throws a football while standing at the very center of the field on the 50 yard line. The ball leaves his hand at a height of 6 ft and has initial velocity vo = 51i +37j + 27k ft/s. Assume an acceleration of 32 ft/s² due to gravity and that the i vector points down the field toward the endzone and the j vector points to the sideline. The field is 150 ft in width and 300 ft in length. Determine the position function that gives the position of the ball t seconds after it is thrown. The ball is caught by a player 6 ft above the ground. Assume the player is standing vertically with both toes on the ground at the time of reception. (Use symbolic notation and fractions where needed.) r(t) = Incorrect (511 +16 Incorrect 1672 )i + (37t+6)j + (6t+27t- (61 +271 - ( 16 ) ₁³ ) K) 3 Is the player in bounds or out of bounds when he receives the ball? The player is in bounds. The player is out of bounds. FalleA quarterback throws a football while standing at the very center of the field on the 50 yard line. The ball leaves his hand at a height of 6 ft and has initial velocity vo = 51i + 37j + 27k ft/s. Assume an acceleration of 32 ft/s² due to gravity and that the i vector points down the field toward the endzone and the j vector points to the sideline. The field is 150 ft in width and 300 ft in length. Determine the position function that gives the position of the ball t seconds after it is thrown. The ball is caught by a player 6 ft above the ground. Assume the player is standing vertically with both toes on the ground at the time of reception. (Use symbolic notation and fractions where needed.) r(t) = Is the player in bounds or out of bounds when he receives the ball? The player is in bounds. O The player is out of bounds.. Consider the vectors shown. Which is a correct statement about A + B ? A. x-component > 0, y-component >0 B. x-component >0, y-component 0 D. x-component 0 %3D y В (15.0 m) D (10.0 m) 30.0° 53.0° 25.0° Č (12.0 m) A (8.00 m)