Physics, 29.06.2019 18:20 nuggetslices
Commercial airplanes are sometimes pushed out of the passenger loading area by a tractor. (a) an 1800-kg tractor exerts a force of 1.75×104 n backward on the pavement, and the system experiences forces resisting motion that total 2400 n. if the acceleration is 0.150 m/s2 , what is the mass of the airplane? (b) calculate the force exerted by the tractor on the airplane, assuming 2200 n of the friction is experienced by the airplane. (c) draw two sketches showing the systems of interest used to solve each part, including the free-body diagrams for each
Answers: 1
Physics, 22.06.2019 02:00
Figure 9 on page 362 shows various motions of balls. the curved path followed by the yellow ball in b in picture b is result of a) inertia b) centripetal motion c) gravity and horizontal velocity d) linear motion
Answers: 3
Physics, 22.06.2019 15:30
Ametal ring 4.20 cm in diameter is placed between the north and south poles of large magnets with the plane of its area perpendicular to the magnetic field. these magnets produce an initial uniform field of 1.12 t between them but are gradually pulled apart, causing this field to remain uniform but decrease steadily at 0.240 t/s . (a) what is the magnitude of the electric field induced in the ring? (b) in which direction (clockwise or counterclockwise) does the current flow as viewed by someone on the south pole of the magnet?
Answers: 2
Commercial airplanes are sometimes pushed out of the passenger loading area by a tractor. (a) an 180...
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