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A rider on a bike with the combined mass of 100 kg attains a terminal speed of 15 m/s on a 12% slope. Assuming that the only forces affecting the speed are the weight and the drag, calculate the drag coefficient. The frontal area is 0.9 m2. Speculate whether the rider is in the upright or racing position.
Compare the answer you get to the density of water (1000 kg/m3) and comment on whether or not a 1mm thickness is reasonable for a possibly working solar sail. If you had to design a solar sail, which thickness would you choose? Which material woul..
The component of the external magnetic field along the central axis of a 69-turn coil of radius 23.0 cm decreases from 1.90 T to 0.400 T in 1.70 s. what is the magnitude of the induced current in the coil
A mirror produces an image that is located 48.00 cm behind the mirror when the object is located24.00 cm in front of the mirror. What is the focal length of the mirror?
A concave mirror has a focal length of 44.2 cm. The distance between an object and its image is 68.1 cm. Find (a) the object and (b) the image distance assuming that the object lies beyond the center of curvature.
Calculate the closest distance the person can stand to the lens. For this object distance, how far should the film be located from the lens?
Two thin lenses with a focal length of magnitude 12.0cm, the first is diverging and the second is converging, are located 9.00cm apart. Can you help me determine if the image is real or virtual
Two people start at the same place and walk around a circular lakein opposite directions. How long will it be before they meet
a 6.0-kg mass at the end of a spring vibrates 3.0 times per second with an amplitude of 0.13m. determine a the velocity
Felipe over the summer goes to six flags, he gets on a ride that starts at a height of 29m traveling at a speed of 5 m/s, what is the normal force from the seat when he is at the top of the loop
calculate the speed of an electron that is accelerated through the same potential difference, and Calculate the speed of a proton
a spring of constant 290nm is used to launch a 1.0kg block along a horizontal surface whose coefficient of sliding
A uniform beam of length 5.4 m and mass 12 kg supports a28 kg mass. The cable is at an angle of 58.4 with the wall and the beam is attached to the wall by pivoting pin at an angle of 58.8 by the wall. Discover the tension in the cable. The accelerati..
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