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A farm tractor tows a 3550-kg trailer up a 18?incline with a steady speed of 3.0 m/s.
What force does the tractor exert on the trailer? (Ignore friction.)
Assume that positive x axis is directed toward the direction of motion. Express your answer using two significant figures.
presume you had job offers from two companies that differed only in how often they produced CEOs. Would these differences affect your decision.
Assume unpolarized light of intensity 197 W/m2 falls on the polarizer in the figure, and the angle in the drawing is 37.0°. What is the light intensity reaching the photocell?
What is the stopping distance of the car, as measured from the point where the driver first notices the red light?
determine the flux of uniform magnetic field B through the curved surface of a right circular cone, show that F through suface 1 = F through surface 2
A spelunker is surveying a cave. She follows a passage 150m straight west, then 230m in a direction 45, Use a scale drawing to determine the magnitude of the fourth displacement, Determine the direction of the fourth displacement
Light from a He-Ne laser (= 632.8) strikes a pair of slits at normal incidence, forming a double-slit interference pattern on a screen located 1.10 from the slits. The figure shows the interference pattern observed on the screen.
A telephoto lens consists of a converging front lens of focal length f1 and diverging back lens of focal length f2 separated by a distance d, Compute the effective focal length of the lens system
A diverging lens (f = -12 cm) is located 20 cm to the left of a converging lens (f = 35.0 cm). A 3.00 cm tall object stands to the left of the diverging lens, exactly at its focal point.
A thin, uniformly charged spherical shell has a potential of 533 V on its surface. Outside the sphere, at a radial distance of 24.0 cm from this surface, Calculate the radius of the sphere
A long, straight wire runs along the y-axis. The wire carries a current in the positive y-direction that is changing as a function of time according to i = 8 A + (0.2 A/s)t. A loop of wire is placed in the xy-plane near the y-axis. The loop has di..
A flat circular coil with 110 turns, a radius of 3.80 × 10-2 m, and a resistance of 0.340 ? is exposed to an external magnetic field that is directed perpendicular to the plane of the coil, Find the induced current in the coil
Discover the tensions in the rope
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