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A version of an amusement park ride, is shown in Fig. 2. The arm of length L is freeto pivot where it connects to the arm of length d. Instead of a numerical problem, use thegiven symbols and m for the combined mass of the passenger and chair. (Check the attachment for the picture).
a. Draw a free body diagram for the combined passenger and chair.
b. Develop an equation for the angle θif the motorized shaft rotates at a constant angular speed ω. Assume d and L are known constants.
You are provided with a 1 cm3 of biological sample from which 0.1 mm thin sections are cut. A search for virus cells at a magnification of 100,000 has been proposed. The fluorescent screen on which the image is to be projected has a diameter of 15 cm..
A person of mass 52.0 kg stands at rest. How much will the average force exerted on the feet by the floordiffer from the person's weight during a 0.195 s interval in which the blood's upward component of momentum increases by 4.45 10-2 kg ·
In compressing the spring in a toy dart gun, 0.4 J of work is done. What is the dart's kinetic energy as it leaves the gun
A 0.1 Kg hockey puck slows down from 45 m/s to 44 m/s due to friction as it slides 25m across the ice. a) Draw a free body diagram showing all the forces on the puck b)using the work-energy relationship, find the work done by the frictional force.
a 2000 kg car intially moving at 20.0 ms suddenly slams on the brakes locks the tires and begins slidding. the
A football player weighing 75 kg running at 2 m/s toward west tackles a 70 kg player running at 1.5 m/s in the opposite direction
An air-track glider attached to a spring oscillates with a period of 1.50s . At t=0s the glider is 5.10cm, What is the phase constant
As structural steel rod has a radius R = 9.5 mm and a length L = 81 cm. A force F = 6.2 × 104 N (about 7 tons) stretches it along its length. What is the tensile stress in the rod
Boat A negotiates a curve whose radius is 363m. Boat B negotiates a curve whose radius is 110m. Each boat experiences the similar centripetal acceleration. What is the ratio of speed of boat A to that of boat B.
An insect 3.75 mm tall is placed 20.0 cm to the left of a thin planoconvex lens. Calculate the location of the image this lens forms of the insect
A projectile of mass 0.900 kg is shot straight up with aninitial speed of 24.0 m/s. How high would it go if there were no air friction
A common flea that has a mass of 0.008 g can jump vertically as high as 19 cm. Estimate the wavelength for the flea immediately after takeoff
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