A ball is thrown vertically upward with an initial speed of 88 ft/sec from the base A of a cliff with H = 60 ft. Determine the distance h by which the ball clears the top of the cliff and the time t after release for the ball to land at B. Also, calculate the magnitude of the impact velocity VB. Neglect air resistance and the small horizontal motion of the ball. B H
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- Top Golf is a famous and well-known place for sports entertainment and family fun. Typically a building has two to three floors full of rooms for people to rent and relax in while they hit golf balls onto a 250-yard field. Suppose a person hits a golf ball from the second floor (h) with an initial velocity of 118 mph at a 15° angle (0). The golf ball is in the air for (t) secs and lands 170 (x) yards from its initial place. The path of the golf ball is depicted in figure 2. Hint: 1 mile 5280 ft, 1 yard = 3 ft = (i) How long does it take for the golf ball to land on the field in seconds? (t) (ii) At what height was the ball struck at in feet? (h) (iii) What is the maximum height the golf ball reaches in feet? (yax) Figure 2. V₂Please answer this question. An airplane releases a ball as it flies parallel to the ground at a height of ℎ=245 m as shown in the figure. If the ball lands on the ground a horizontal distance equal to the height ℎ from the release point, calculate the speed ? of the plane. Neglect any effects due to air resistance, and use ?=9.81 m/s2 for the acceleration due to gravity.A projectile is launched at ground level with an intial vertical velocity of 25.0m/s and a horizontal velocity of 43.3m/s. It strikes a target above the ground 3.00 seconds later. a) How high is the target above the gound? b) How far did the projectile travel before hitting the target? c) What is the horizontal component of the velocity of the projectile right as it hits the target? d) What is the vertical component of the velocity of the projectile right as it hits the target?
- H.W: A ball thrown up from a rooftop of height 40m lands on ground in 4s. (a) what is its maximum height above the ground? (b) what is its velocity 15m below the rooftop? Ans. (a) 44.7m (b) v = -19.65answer and explain why the answer is correct.A football quarterback shows off his skill by throwing a pass 46.00 m downfield and into a bucket. The quarterback consistently launches the ball at 37.00° above horizontal, and the bucket is placed at the same level from which the ball is thrown. Y Part A What initial speed is needed so that the ball lands in the bucket? Express your answer to three significant figures and include appropriate units. | Value Submit Part B HÅ E 0 Request Answer LI By how much would the launch speed have to be increased if the bucket is moved to 46.70 m downfield? Express your answer to two significant figures and include appropriate units. μµA ➜ R F Units S % 5 ? T G ? 6 Y H & 7 C 8 1 ( 9 K O O P .
- A ball is kicked at an angle of 55 with initial velocity of 40 m/s. A. Find the time it takes to reach the maximum height B. Find the maximum height C. Find the horizontal distance covered by the ball after landing.An arrow is launched from ground level, with an initial speed of 27.2 m/s at an angle of 31.4° above the horizontal. Neglect air resistance, and take upward as the positive direction. a) How much time is needed for the arrow to reach its maximum height, b) what is this maximum heightc) how long does it take to land on the ground againd) how far does it travel right before it lands.A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 8.8m/s at an angle of 23 degrees SE from the window (downwards, not upwards). It hits the ground 5s later. a. How far horizontally from the building does the ball land on the ground? b. Find the height that the ball was thrown from
- 1. The distance between home plate and the pitcher's mound in baseball is 60.5 ft. In MLB, baseballs are. pitched at about 90mph. Assume the ball is thrown perfectly horizontally, at 0°. How far in feet will the ball drop during its transit to home plate? Use g = 32 ft/s². (Note: this is why pitcher's mounds are raised.) 2. A pebble is tossed into the air at an angle of 62° above the horizontal, with an initial speed of 4.8 m/s. The pebble is 1.6m above the ground when it is released by the thrower's hand. a) How long will the pebble remain airborne? b) What maximum height above the ground will the pebble achieve?Chinook salmon can jump out of water with a speed of 7.50 m/s. How far horizontally d can a Chinook salmon travel through me air if it leaves the water with an initial angle of 0 = 26.0° with respect to the horizontal? (Neglect any effects due to ir resistance.) m d = Question Source: Freedman College Physics SeA criminal is escaping across a rooftop and runs off the roof horizontally at a speed of 5.1m/s, hoping to land on the roof of an adjacent building. Air resistance is negligible. The e horizontal distance between the two buildings is D, and the roof of the adjacent building is 2.0m below the jumping-off point. Find the maximum value for D.