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You're riding a Ferris wheel while sitting on a scale. A Ferris wheel with radius 8.9m has period 30s .
a). Find the scale reading for a 80kg person at the bottom of the Ferris wheel, assuming a constant rotation rate. Express your answer to two significant figures and include the appropriate units.
b). Find the scale reading for a 80kg person at the top of the Ferris wheel, assuming a constant rotation rate. Express your answer to two significant figures and include the appropriate units.
Red blood cells can often be charged. Consider two red blood cells with the following charges: -21.4 pC and +47.2 pC. The red blood cells are 1.72 cm apart. What is the magnitude of the force on each red blood cell
How would you describe the "use of Newton's gravity to hold the solar system together" to an elementary school child? Give some examples and situations that you might find helpful in describing gravity.
An rms voltage of 22.0V with a frequency of 1.10kHz is applied to a 0.365uF capacitor. By what factor does the current change
Determine the internal normal force, shear force, and moment at points D and E in the overhang beam. Point D is located just to the left of the roller support at B, where the couple moment acts
Find the relationship between the length h and width a of a regular right triangular prism such that the prism is equally likely to land on each face when: A. dropped from a great height in th air.
A 5kg piece of metal displaces 0.75L of water when submerged. What is the buoyant force on the piece of metal? Give your answer in Newtons
At an water park, a girl slides down a water slide into the main pool. determine what her speed at the bottom of the slide
questionhuman blood contains plasma platelets and blood cells. to part plasma from other components centrifugation is
Leonardo da Vinci (1452-1519) is credited with being the first to perform quantitative experiments on friction, though his results were not known until centuries later, Find at what angle did Leonardo blocks begin to slide
The nucleus of radioactive polonium-210, with a mass of about 3.49?10?25kg , is known to decay by emitting an alpha particle with a mass of about 6.68?10?27kg. what is the recoil speed of the remaining nucleus
car on a ramp a 1030-rm kg car is held in place by a light cable on a very smooth frictionless ramp as shown in the
an electron mass of 9.110 times 10-31kg and charge of -1.602 times 10-19c is released at rest above the surface of the
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