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1. Use this blow information part A - Part C

Exercise 3.5 - Enhanced - with Feedback V Part A A jet plane is flying at a constant altitude. At time t1 = 0 it has For this time interval calculate the average acceleration. components of velocity Ur = 85 m/s, Vy = 110 m/s. At time Express your answers in meters per second squared separated by a comma. t2 = 35.0 s the components are Ur = 170 m/s, Vy = 40 m/s. VO ? ar , ay = m/s2 Submit Request Answer Part B Find the magnitude of the average acceleration. Express your answer in meters per second squared. IVO AEd ? Cav = m/s2Part C Find the direction of the average acceleration (let the direction be the angle that the vector makes with the +x-axis, measured counterclockwise). Express your answer in degrees. VO AEQ ? 0 =Part A A major leaguer hits a baseball so that it leaves the bat at a At what two times is the baseball at a height of 10.5 m above the point at which it left the bat? speed of 33.0 m/s and at an angle of 35.2 above the horizontal. Express your answers in seconds. Enter your answers in ascending order separated by a comma. You can ignore air resistance. For related problemsolving tips and strategies, you may want to AEQ ? view a Video Tutor Solution of Height and range of a projectile i: a batted baseball. t1, t2 = S Submit Request Answer Part B Calculate the horizontal component of the baseball's velocity at an earlier time calculated in part A. Express your answer in meters per second. DA AEd VT = m/s Submit Request AnswerPart C Calculate the vertical component of the baseball's velocity at an earlier time calculated in part A. Express your answer in meters per second. VO ? Vy = m/s Submit Request Answer Part D Calculate the horizontal component of the baseball's velocity at a later time calculated in part A. Express your answer in meters per second. IVO AEQ ? m/s Un =Part E Calculate the vertical component of the baseball's velocity at a later time calculated in part A. Express your answer in meters per second. VO AEQ ? Vy = m/s Submit Request Answer Part F What is the magnitude of the baseball's velocity when it returns to the level at which it left the bat? Express your answer in meters per second. VO AEQ ? m/s U =Part G What is the direction of the baseball's velocity when it returns to the level at which it left the bat? Express your answer in degrees. VO AEQ U = below the horizontalAssuming that all cars have equal speeds, which car has the acceleration of the greatest magnitude, and which one has the acceleration of the least magnitude? A road race is taking place along the track shown in the figure ( Figure 1). All of the cars are moving at constant speeds. The car Give your answer as "X, Y" where X is the car with the greatest magnitude of acceleration and Y is the car with the least magnitude of accelation. at point F is traveling along a straight section of the track, View Available Hint(S) whereas all the other cars are moving along curved segments of the track.av 'y A squirrel has x- and y- coordinates (1.5 m, 3.4 m) at time t1 = 0 and coordinates (5.1 m, -0.60 m) at time t2 = 3.3 s. Vav = V (vav)3 + (vav)y For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Calculating average and instantaneous velocity. Vav =V (1.1 m/s)2 + (-1.2 m/s)2 = 1.6 m/s V Part D Find the direction of the average velocity. Express your answer in degrees. VO AEd ? 0 = below the x-axisPart A A small ball is attached to the lower end of a 0.800-m-long string, and the other end of the string is tied to a horizontal rod. The string makes a constant angle of 61.0 with the vertical as the If it takes the ball 1.25 s to complete one revolution, what is the magnitude of the radial acceleration of the ball? ball moves at a constant speed in a horizontal circle. Express your answer with the appropriate units. HA ? arad = Value UnitsPart A A canoe has a velocity of 0.32 m /s southeast relative to the earth. The canoe is on a river that is flowing 0.51 m/s east Find the magnitude of the velocity of the canoe relative to the river. relative to the earth. Express your answer in meters per second. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Flying in a crosswind. AED U = m/s Submit Request Answer V Part B Find the direction of the velocity of the canoe relative to the river. Express your answer in degrees. IVO AEQ ? 0 = south of westV Part A The position of a dragonfly that is flying parallel to the ground is given as a function of time by T = [2.90 m + (0.0900 m/s?)t2]i - (0.0150 m/s3 ) +3 3. At what value of t does the velocity vector of the insect make an angle of 34.0 clockwise from the x-axis? Express your answer with the appropriate units. t = Value Units Submit Request Answer Part B At the time calculated in part (a), what is the magnitude of the acceleration vector of the insect? Express your answer with the appropriate units. HA a = Value Units Submit Request Answer Show AlPart C At the time calculated in part (a), what is the direction of the acceleration vector of the insect? Express your answer in degrees. VO AEQ ? 0 = clockwise from +x-axis.V Part A In fighting forest fires, airplanes work in support of ground crews by dropping water on the fires. A pilot is practicing by dropping a canister of red dye, hoping to hit a target on the ground below. If the plane is flying in a horizontal path at an altitude of 85.0 m above the ground and with a speed of 73.0 m/s, at what horizontal distance from the target should the pilot release the canister? Ignore air resistance. Express your answer in meters. IVO AEQ 0 62 ? T = mPart A A toy rocket is launched with an initial velocity of 15.0 m/s in the horizontal direction from the roof of a 32.0-m-tall building. The rocket's engine produces a horizontal acceleration of What horizontal distance does the rocket travel before reaching the ground? (1.60 m/s' ) t, in the same direction as the initial velocity, but in Express your answer with the appropriate units. the vertical direction the acceleration is g, downward. Air resistance can be neglected. 1 = Value Units Submit Request AnswerPart A A firefighting crew uses a water cannon that shoots water at 26.0 m/s at a fixed angle of 53.0 above the horizontal. The firefighters want to direct the water at a blaze that is 13.0 m How far from the building should they position their cannon? There are two possibilities (di