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- С. 13 m/s? D. 4.2m/s? 2. A car has an initial position of 2.7m, an initial velocity of -1.42 m/s, and a constant acceleration of 1.7m/s. What is the position of the car at the time of 1.65s? A. 1.96m В. 6.7m С. 3.8m D. 2.5m 3. Mr. Purley crashed his car with the greatest g force ever survived by a human being. He decelerated from 53.6m/s to zero in a distance of only about .59m calculate Mr. Purley's acceleration. B. 2874m D. 3234m A. 2687m C. 2435m 4. An astronaut drops a rock on an asteroid. The rock is released from a height of 1.45m above the ground 1.89 seconds later. What is the acceleration due to gravity on this asteroid. A. -.17 m/s2 C. -.70 m/s² B. .35 m/s² D. .406 m/s2 MacBook Air2. A jet plane has a takeoff speed of vtakeoff = 73 m/s and can move along the runway at an average acceleration of 2.4 m/s2. The runway is 1.2 km. Write out the 3 Kinetic equations. a. b. Write out the values of initial position, initial velocity, and acceleration. How many seconds will it take for the plane to reach takeoff speed? с. d. How far will the plane have to travel to get to takeoff speed? will the plane be able to get to take off before it gets to the end of the runway? е.9. A car with its brakes applied has an acceleration of -1.2 m/s˄2. If its initial velocity is 10 m/s, the distance the car covers in the first 5 seconds after the acceleration begins is A. 15 m B. 32 m C. 35 m D. 47 m 12. A train starting at 30 km/h travels a distance of 21 km in 18 min. Determine the acceleration of the train at this instant. A. 0.0865 m/s˄2 B. 0.0206 m/s˄2 C. 0.3820 m/s˄2 D. 0.0043 m/s˄2 13A stone is dropped from a cliff. After it has fallen 30 m, the magnitude of its velocity is approximately A. 17 m/s B. 24 m/s C. 44 m/s D. 588 m/s Answer the following, i only need the letter of correct answer.
- 1. Isaac can throw a baseball to a maximum height of 28.6 m above the ground. What is the speed of the ball when it hits the ground? m/s What is the total time of flight of the ball if Isaac releases the vertical throw 2.15 m above the ground? s What was the initial velocity of the throw? m/s If Isaac then took a trip to the Moon where 2 the acceleration due to gravity is 1.62 m/s and threw the baseball vertically with the same initial velocity and release point, what would be the maximum height the ball would travel above the Moon's surface?Solve plzLRT leaves Cubao station with an initial speed of 5.6m/s and arrived at Recto station after 12mins. Assuming that the acceleration is constant, how long is the railway from Cubao to Recto station?a. 605.38 mb. No answerc. 60.53 md. 6.05 m e. 6053.76 m