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1) Suppose you weigh 874N, and when you stand on one foot, your weight is spread out over an area of 1.590×10-2m2. What is the pressure does your foot exert on the floor? (Check out the book or online for the correct unit. Remember that there is also a blue help button if the units are inconsistent.)
2) Atmospheric pressure is around 1.010×105 Pa. Think about the air pushing on a flat, circular glass window which has a radius of 0.0830m. What is the force with which the air is pushing on one side of the glass?
The lower boundary of the plate is defined by: y = 0.650 x2. The plate has a mass of 3.70 kg. Find the moment of inertia of the plate about the y-axis
A golf club strikes a 0.044-kg golf ball in order to launch it from the tee. For simplicity, With what speed does the ball leave the club
in a particular region of earths atmosphere the electric field above earths surface has been measured to be 140 nc
q1. for an ideal atwood machine has a massless pulley of radius 10 cm which moves without friction and has masses of 2
What is the internal resistance of a 12.0-V car battery whose terminal voltage drops to 9.5V when the starter motor draws 77A
It has been proposed to save fuel in air travel by reducing the air speed. How much fuel is saved in a 2000 mile trip
A bat hits a moving baseball. If the bat delivers a net eastward impulse of 1.3 N-s and the ball starts with an initial horizontal velocity of 3.8 m/s to the west and leaves with a 5.1 m/s velocity to the east
consider sphere of diamer 1.0 cm. it has a total charge of q-5uc. note u mua how many excess electrons make up this
A vertical wall (7.2 m 2.8 m) in a house faces due east. A uniform electric field has a magnitude of 150 N/C. What is the electric flux through the wall
While partying in Paris, you throw a glass of champagne off of the Eiffel Tower. how high above the ground are you
A double slit separated by 0.0572 mm is placed 1.70 m from a screen. (a) If yellow light of wavelength 590 nm strikes the double slit, what is the separation between the zeroth-order and first-order maxima on the screen? cm (b) If blue light of wavel..
You wish to determine the height of the smokestack of a local coal burning power plant. determine the height of the smokestack
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