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(1) An object moves with constant acceleration 3.26 m/s and over a time interval reaches a...      (1) An object moves with constant acceleration 3.26 m/s and over a time interval reaches a final velocity of 10.8 m/s. a. If its initial velocity 5.39 m/s, what is its displacement during the time interval? Submit Answer Tries 0/10 b. What is the distance it travels during this interval? Submit Answer Tries 0/10 c. If its initial velocity is -5.39 m/s, what is its displacement during the time interval? Submit Answer Tries 0/10 d. What is the total distance it travels during the interval in part (c)?
(3) A Porsche challenges a Honda to a race to the finish line. The distance to the finish line is 434.Om. Because the Porsche's acceleration of 6.61m/s2 is larger than the Honda's 3.0m/s, the Honda is allowed to begin the race 66.4m in front of the starting line. Both cars start accelerating at the same instant. How much time does the Porsche win by? Submit Awwer Tries 0/10 (4) An arrow is shot straight up in the air at an initial speed of 10.7 m/s. After how much time is the arrow moving downwards at a speed of 5.4 m/s?
(6a) A ball is thrown vertically upward with a speed of 33.8 m/s. What is the ball's velocity after 2.30 s (g = -9.81m/s^2)? Submit Answer Tries 0/10 (6b) What is the ball's height above the point of release after 2.3 s? Submit Answer Tries 0/10 (7) Tennis player, Blanca Andreescu, moves in a straight line path as shown in the position-time graph below. xam) 2 3 4 (8) a. Find her average velocity in the time intervalo s to 1 s. Tries 0/10 b. Find her average velocity in the time interval o s to 3 s. Submit Answer
m/s) ma (9) a. The velocity time graph of a particle moving along the x-axis is shown. The particle has zero velocity at t = 0.00 s and reaches a maximum velocity, after a total elapsed time to If the initial position of the particle is Xo - 7.35 m, the maximum velocity of the particle is vm. 41.1 m/s, and the total elapsed time is tal-38.2 , what is the particle's position at t = 25.5 ? Sunser Tries 0/10 b. Att 25.5 s, what is the particle's velocity? Submit AnswerTries 0/10 c. At t = 25.5 , what is the particle's acceleration? Submit AnswerTries 0/10 L (10) A hot air balloon is rising straight up at a constant speed of 7.54 m/s. When the balloon is 12,0 m above the ground, a gun fires a pellet straight up from ground level with an initial speed of 29.7 m/s Along the paths of the balloon and the pellet, there are two places where each of them has the same altitude at the same time. How far above the ground are these places? Enter the smaller altitude first SA Tries 0/10 Sama series 0/10 (11a) An airplane travelling 60.9 m/s at 27.3 below the horizontal when it drops off a package. If the horizontal distance between the point of release and the point at which the package hit the ground is 672.0 m, how long was the package in the air? SA Tries 0/10 (116) How high was the plane when it dropped the package? St Answer Tries 0/10 (128) A boy kicks a rock off a diff with a speed of 15.5 m/s at an angle of 60.0° above the horizontal. The rock hits the ground 5.90 s after it was kicked. How High is the Sunwwer Tries 0/10 (12) What is the speed of the rock right before it hits the ground? Sant Answer Tries 0/10 (12c) What is the maximum height of the rock in the air, measured from the top of the cil? SA Tries 0/10
SA Ines WU (8) You are driving to the grocery store at 10.0 m/s. You are 1300 m from an intersection when the traffic light turns red. Assume that your reaction time is 0.810 s and that your car brakes with constant acceleration. How far are you from the intersection when you begin to apply the brakes? 1.22x10m You are correct. Your receipt no. is 162-6161 Previous Tres (8) What acceleration will bring you to rest as you just reach the intersection? 3.02 Suwer Incorrect. Tries 2/10 Previous Tries (c) How long does it take you to stop? Tries 0/10
(12) A woman wishing to know the height of a mountain measures the angle of elevation of the mountaintop as 12.1. After walking 1.3 km closer to the mountain on level ground, she finds the angle to be 15.7. Find the height of the mountain. 10m Surowe Incorrect. Tries 2/10 Previous Tries (13) The magnitudes of four displacement vectors shown in the drawing are A 16,3 m, 10 m, C-12.9 m, and -26.9 m. Determine the magnitude for the resultant vector that occurs when these vectors are added together Bw Tries 0/10 + + 20.09 35.0 50.00 B 11   Earn Coins

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