Situation 01. Christopher is walking down a road when he observes a nearby mountain that a boulder is falling. he notices that it took 1.3Os for the boulder to fall the last third of its way to the ground. Determine the height of the mountain.
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- Situation 01. Christopher is walking down a road when he observes a nearby mountain that a boulder is falling, he notices that it took 1.30s for the boulder to fall the last third of its way to the ground. Determine the height of the mountain.The clark freeport zone and philippine international hot air balloon foundation incorporation organizers the 18th clark philippines hot air balloons Fiesta last February 21-24, 2013. During the event a bag drop from the hot air balloon reaches the ground in 20 seconds. Determine the height of the hot air balloon (a) if it is at rest in the air and (b) if it is ascending with a speed of 49 m/s when the bag is dropped. ANS. (a) 1.96x10³m (b) -9.8x10²m2. A water bottle rocket is blasted up with an initial velocity of 40. m/s. Assume no air resistance. a. Calculate the maximum height of the rocket.
- 1. You launch a projectile in the air from a height of 50 ft. The velocity of the ball, v(t) is represented in the following table. Give the best estimate for: a. how fast the ball is traveling at 6 seconds. b. the height of the ball at 6 seconds. 0. 4. 6. 8. 10 v(t) 750 686 622 558 494 4301110. In Fig. P-1109, a ball thrown down the incline strikes it at a distance s 254.5 It. If the ball rises to a maximum height h 64.4 ft above the point of release, compute its initial velocity vo and inclination 6. Ans. v. = 80.5 ft per see; 0= 53.1° FIG. P-1109 and P-1110.15. A ball is hit upward with an initial velocity of 128 feet per second. After t seconds, its height h(t) is given by the function h(t) = -16t?+128t+4. What is the maximum height in feet of the ball? a. 268 feet b. 256 feet C. 264 feet d. 260 feet
- 7. Physics: A baseball is thrown directly upward with initial velocity of 75 ft/sec from an initial height of 30 ft. The velocity of the baseball is given by: v(t) = –32t + 75, wheret is the number of seconds since the ball was released and v is in ft/sec. a) Find the function h that gives the height (in feet) of the baseball after t seconds if we know that at t = 0, the ball is 30 ft above ground. b) what are the height and velocity of the baseball after 2 seconds of flight? c) After how many seconds does the ball reach its highest point? (hint: the ball "stops" for a moment before falling downward, v(t) = 0) %3DThe vertical displacement (in m) of a plane is 1.5 t2 up; t is the time (in s) after takeoff. The plane releases a package 2.0 s after takeoff. What is the magnitude of the velocity (in m/s) when the packaged is released? Report your answer in the appropriate number of significant digits. Answer value1. Two divers jump from a 4.00-m platform. One jumps upward at 2.40 m/s and the second steps off the platform as the first passes it on the way down. a) What are their speeds as they hit the water ? b) Which hits the water first and by how much ? Two bover cit cido by cide on berizente
- We are standing on the top of a 1040 feet tall building and launch a small object upward. The object's height, measured in feet, after t seconds is h(t) = 16t? + 128t + 1040. A) What is the object initial velocity? ft/second B) What is the highest point that the object reaches? feet1. A projectile is thrown with a speed of 100 ft/s in a direction 30 degrees above the horizontal. Illustrate the projectile motion and answer the following: a. How many feet will it rise? b. How many feet will the maximum horizontal displacement be?4. You attach a meter stick o an oak tree, such that the top of the meter stick is 2.27 meters above the ground. Later, an acorn falls from somewhere higher up in the tree. If the acorn takes 0.241 seconds to pass the length of the meter stick, how high ho above the ground was the acorn before it fell, assuming that the acorn did not run into any branches or leaves on the way down?