Physics Fundamentals
2nd Edition
ISBN: 9780971313453
Author: Vincent P. Coletta
Publisher: PHYSICS CURRICULUM+INSTRUCT.INC.
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Chapter 3, Problem 3P
To determine
To Find: Average acceleration of UFO during turn.
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A pilot flies in a straight path for 1 h 30 min. She then makes a course correction, heading 12° to the right of her original course, and flies 2 h in the new direction. If she maintains a constant speed of 900 mi/h, how far is she from her starting position? (Round your answer to the nearest mile.)
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Chapter 3 Solutions
Physics Fundamentals
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- A train rounding a horizontal turn of radius 120 m slows at a constant rate. In 13.0 s, its speed decreases from 88.0 km/h to 46.0 km/h. Compute the train's acceleration at the moment its speed reaches 46.0 km/h.arrow_forwardA train slows down as it rounds a sharp horizontal turn, going from 90.0km/h to 50.0km/h in the 15.0s it takes to round the bend. The radius of the curve is 150m. Compute the acceleration at the moment the train speed reaches 50.0km/h. Assume the train continues to slow down at this time at the same ratearrow_forwardAn airplane leaves the runway heading south and flies for 2000km. It then heads 20 degree west to avoid a storm. After flying for 500km, it turns 40 degree toward the east and flies another 400km to its final destination. Calculate the displacement of the plane;s destination and the distance it travelled.arrow_forward
- I have no idea to how to start to this question: Wags (a dog) decides to go on a journey. He begins his journey by traveling 58 meters in a direction directly south. He then runs 100.0 meters in a direction 30◦north of west. During the last leg of his journey, he follows a scent for 59 meters in a direction 30◦east of north. What distance does Wags end up from his initial startingpoint?arrow_forwardA car, moving at the constant speed of 36 km per hour, enters (at t = 0) a ramp heading north. One minute later, it completes the turn and travels toward the east. Find its average acceleration (both magnitude and direction).arrow_forwardCompute your average velocity in the following two cases: (a) You walk 64.0 m at a speed of 1.28 m/s and then run 64.0 m at a speed of 3.98 m/s along a straight track. (b) You walk for 1.00 min at a speed of 1.28 m/s and then run for 1.39 min at 3.98 m/s along a straight track.arrow_forward
- A car moves along a horizonatal road with constant velocityv0 = v0, x^ii = (30.06 m/s)^i until it encounters a smooth inclined hill. It climbs the hill with constant velocity. v1=v1x^+v1y^j = (44.2 m/s)^i + (3.23 m/s)^jWhat is the expression in cartesian unit vector notation, for average acceleration of the car during the given time period using the symbols provided?arrow_forwardA mountain lion jumps to a height of 2.65 m when leaving the ground at an angle of 42.9°. What is its initial speed (in m/s) as it leaves the ground?arrow_forwardA car moves on a circular track of radius 142.41 meters and accelerates uniformly from a speed of 5.25 m / s to a speed of 21.63 m / s, in a time of 7.22 seconds. Determine the magnitude of the car's total acceleration when its speed is 13.6 m / s.arrow_forward
- Mayan kings and many school sports teams are named or the puma, cougar, or mountain lion—Felis concolor— the best jumper among animals. It can jump to a height of 12.0 ft when leaving the ground at an angle of 45.0 degrees . With what speed, in SI units, does it leave the ground to makethis leap? Answer : 12.0 m/sarrow_forwardA high-tech drone flies over Miami, FL in a direction 59° west of north with a speed of 39 km/h. Three hours later, the drone suddenly shifts due north, and its speed slows to 17.2 km/h. How far (in kilometers) from Miami, FL is the drone 4.50 h after it passes over the Miami.arrow_forwardA train slows down as it rounds a sharp horizontal turn, going from 82.0 km/h to 52.0 km/h in the 13.0 s that it takes to round the bend. The radius of the curve is 130 m. Compute the acceleration at the moment the train speed reaches 52.0 km/h. Assume the train continues to slow down at this time at the same rate. find magnitude and directionarrow_forward
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