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Problem: Writer Dorion Sagan and biologist Lynn Margulis write in their book, Garden of Microbial Delights, that "human skin harbors some 100,000 microbes per square centimeter."
Part A: Use this to estimate the mass of the bacteria living on your skin.
I need help to find the mass of the bacteria living on your skin.
A light board, 10m long, has two supports, one at one edge of the board and a second at the mid point. What is the force exerted by the sawhorse at the end of the board
A student could either pull or push, at an angle of 30? from the horizontal, a 55kg crate on a horizontal surface, Calculate the minimum work required for both pulling and pushing
A projectile is fired straight upward at 141m/s. How fast is it moving at the instant it reaches the top of its trajectory? Assume instead that it was fired upward at 45 degree. What would be its speed at the top of its trajectory?
Two metal spheres, each of mass 14 g and initially at rest, are dropped from a height of 6 m in an evacuated chamber. Find the difference in final speeds of the two spheres
The position of an object is given as a function of time as x(t) = (-3.00 m/s)t + (1.00 m/s2)t2. What is the average speed of the object between t = 0.00 s and t = 2.00 s
An ambulance with a siren emitting a whine at 1500 Hz overtakes and passes a cyclist pedaling a bike at 2.44 m/s. How fast is the ambulance moving
A 70kg skateboarder comes over the top of a hill at 6.0m/s and reaches 12m/s at the bottom. Find the total work done on the skateboarder
A merry-go-round of radius 3.0 m, initially at rest, is givena constant tangential push for 1.5s. What is the angular displacement of the wheel between t=0 and t=4s
Two 2.1 cm 2.1 cm square aluminum electrodes are spaced 0.57 mm apart. What is the magnitude of the charge on each electrode
Suppose the length of a clock's pendulum is changed by 1.000%, exactly at noon one day. What time will it read 24.00 hours later, assuming it the pendulum has kept perfect time before the change? Note that there are two answers, and perform the ca..
A gate in an irrigation canal is in the form of a semi-circle with radius of 4m(straight side on top). Find the hydrostatic force on the gate
What is closing equilibrium temperature of the tin-water
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