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- A student drove to the university from her home and noted that the odometer reading of her car increased by 12.0 km. The trip took 17.9 min. a.If the straight-line distance from her home to the university is 10.310.3 km in a direction 28.028.0º south of east, what was her average velocity? (magnitude and direction south of east) b.If she returned home by the same path 6.50h after she left, what was her average speed for the entire trip?I took 2.28km and converted it to 2280 meters then divided by 3200 and ended up with .71m/s but it keeps saying that its incorrect. Im not sure where I keep messing up. John walks 1.80 kmkm north, then turns right and walks 1.40 kmkm east. His speed is 1.60 m/sm/sduring the entire stroll. What is the magnitude of his displacement, from beginning to end? (2.28) If Jane starts at the same time and place as John, but walks in a straight line to the endpoint of John's stroll, at what speed should she walk if she wants to arrive at the endpoint just when John does?One of the fastest known animals is the Indian spine-tailed swift. A swift flies 2.80 km due north in a time of 32.8 s. a. What is its average velocity due north in meters per second? Enter a positive value if the average velocity is due north and enter a negative value if it is due south. answer in m/s b. What is its average velocity due north in miles per hour? Enter a positive value if the average velocity is due north and enter a negative value if it is due south. anser in mi/h
- A high-tech drone flies over Miami, FL in a direction 50.4 west of north with a speed of 35.4 km/h. Three hours later, the drone suddenly shifts due north, and its speed slows to 19.2 km/h. How far (in kilometers) from Miami, FL is the drone 4.50 h after it passes over the Miami. Round your answer to 0 decimal places.in the Cartesian coordinate system, a particles in x-position is defined by x = 8t ft, where the time t is in seconds. if the equation for the path is it? y = x2/10, calculate the magnitude of the acceleration at t = 2 sec in ft/sec². X5 240042003 2100/2009 Sr0 I bro, do steny pd bedrivesh 21 plod prillot sont s to addons/esse ont geelm mit el v stories, fogalm [ ^v. + or -1] · 18.5 = 0. ci uhod sat di Inocentes e ashoshib sviting ont ban a stobiolos, skulitis doin o to the mont 1920 191 wobod alumnet ant prize 1921m ni 298 2 = & morto pindler 2+/X+0/01 SIn reaching her destination, a backpacker walks with an average velocity of 1.18 m/s, due west. This average velocity results, because she hikes for 5.06 km with an average velocity of 2.21 m/s due west, turns around, and hikes with an average velocity of 0.717 m/s due east. How far east did she walk (in kilometers)? dw VE East West de Units Number
- III. 16. The floor area of a Boeing 707-230 is 106 m2. Express this area in ft2. 17. Convert a speed of 45 mph to fps. 18. The Silver Sabre has a maximum rate of climb of 4800 ft/min. Determine the rate of climb in ft/s ... sneed 21The displacement of a particle is given by s = 3t3 - 42t2 + 109t - 39 where s is in feet and t is in seconds. Plot the displacement, velocity, and acceleration as functions of time for the first 11 seconds of motion. After you have made the plots, answer the questions. Questions: Att = 2.4 ft. v= ft/sec. a = ft/sec? sec, Att= 5.4 i ft, v= i ft/sec, a = i ft/sec? S= sec, Att = 8.5 ft. v= i ft/sec, a = i ft/sec? sec, The velocity is zero when t = i sec and when t = i secThe acceleration of a particle is given by a 3t-37, where a is in meters per second squared and tis in seconds. Determine the velocity and displacement as functions of time. The initial displacement at t=0 is so-8 m. and the initial velocity is vo-2 m/s. After you have the general expressions, evaluate these expressions at the indicated times. Answers: Att 5.5 s. 5 Att-10.5s, 5= m. v L m, m/s m/s
- A small plane flies at 200 km/h in still air. If the wind blows directly out of the west at 50 km/h, (a) in what direction must the pilot head her plane to move directly north across land and (b) how long does it take her to reach a point 300 km directly north of her starting point?The acceleration of a particle is given by a 4t - 37, where a is in meters per second squared and tis in seconds. Determine the velocity and displacement as functions of time. The initial displacement at t = O is so = 9 m, and the initial velocity is vo = 0 m/s. After you have the general expressions, evaluate these expressions at the indicated times. Answers: m, v m/s Att- 2.9s. m. v- m/s Att 10.6 s, S-In many experiments, a velocity versus position (v-s) profile is obtained. v (ft/s) v = 0.6 s3/4 75 If we have a v-s graph for the tank truck, how can we – s(ft) determine its acceleration at 625 1500 position s = 1500 feet?