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- A person shoots a loaded gun at a target that is 65 m away. The center of the target is at the same height as the gun. The person aims the hun upwards at an angle so that the bullet hits the center of the target. The bullet leaves the gun at a velocity of 210 m/s. a. What is the angle of the gun in degrees from the positive x axis?An airplane is flying due north with an indicated airspeed of 240 km/hr: If there is a wind of 100 km/ from west to east, hr What is the velocity of the plane relative to the earth? b. What angle from true north is the plane heading? What heading (direction) will the pilot need to steer to compensate for the crosswind? d. What is the plane's velocity relative to the earth on this heading? a. с.E + N W S -S A person is rowing across the river with a velocity of 4.5 km/hr northward. The river is flowing eastward at 3.5 km/hr as shown in the image below. What is the magnitude of her velocity (v) with respect to the shore? Vriver VIOW
- B1I need help with this HW questionIndy Formula car (Fig. 2a) is travelling around the bend with radius r = 305 m. Its angular displacement is given by e = (0.05t + 0.06t³)rad. Determine the linear velocity of the formula car after t = 2s. ii Determine the tangential acceleration a of the formula car after t = 2s. ii The formula car is now travelling at 88.9 m/s, determine the bank angle 0 for the racetrack so that the wheels of the formula car will not have to depend upon friction to prevent it sliding up or down the track. Fig. 2a
- B4A rugby player attempts a kick after scoring a try. The ball was kicked at an angle of 60° with an initial resultant velocity of 40 mi/h (ignoring air resistance). a. What was the initial horizontal velocity in m/s? b. What was the initial vertical velocity in m/s? C. If the player was 40 m away from the goal, and the height of the horizontal bar was 3 m, did the player score? Assume that the trajectory of the ball was on target.A. You are going on an out of town, and you are driving your car at 25m/s when you need to quickly reduce the car's speed to 12m/s to round a curve in a highway going to Camari City. If the deceleration has a magnitude of 8m/s^2, how far does your car travel while reducing the speed? And what is the time needed to round the curve?