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- If an airplane is flying at 140 miles per hour East and turns in a smooth curve with a diameter of 3 miles till its headed West at the same speed, what is its average acceleration in m/s2 during the time it took to make the turn? SYW!A car at a traffic signal starts from rest and makes a left turn in a circular trajectory of radius 6 m reaching a speed of 9 in 2 seconds. What is the magnitude of its total acceleration at t = 2 seconds? (You do not need to provide units, just the numerical value calculated in m/s2)A car is 2.54 km west of a traffic light at t = 0 and 5.91 km east of the light at t = 6.00 min. Assume the origin of the coordinate system is the light and the positive x direction is eastward. Express your answers in units of km. What is the car’s position at t = 0?
- a projectile is launched with speed vo at an angle 0o above the horizon. its motion is described in terms of position, velocity, and acceleration: x,y,vx1,xy1ax1ay1 respectively. (a) which of those quantities are constant during the motion? (b) which are equal to zero throughout the motion?2/99 A car is traveling around a circular track of 240 - m radius . If the magnitude of its total acceleration is 3 m / s2 at the instant when its speed is 75 km / h , determine the rate at which the car is changing its speed . Ans 0. = +239 m / s2NOT ALLOWED TO USE CENTRIPITAL ACCELERATION EQUATION, must calculate average acceleration!! A car drives around a circular track of diameter 156 m at a constant speed of 33.0 m/s. During the time it takes the car to travel 102 degrees around, what is the magnitude of the car s average acceleration? 13.96 m/s^2 6.98 m/s^2 12.19 m/s^2 0 m/s^2