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A 8796 lb force is applied to a surface that measures 37 in long and 15 in wide. Determine the pressure exerted on the surface by the force in both psi and Pa. 1 Pa = 1.45×10-4 psi.
1. suppose that you want to cook a 1 inch 2.5 cm thick steak to medium doneness which is an internal temperature of
A glass window pane is exactly 20 cm by 36 cm at 10oC. By how much has its area increased as it temperature is 33oC, assuming that it can expand freely? Take the coefficient of thermal expansion for the glass to be exactly 9 x 10-6/Co.
A sleigh and driver with a total mass of 120kg are pulled up a hill with a 15degrees incline by a horse, what is the power output of the horse
Gayle runs at a speed of 8.00 m/s and dives on a sled, initially at rest on the top of a frictionless, snow-covered hill, that has a vertical drop of 23.0 m. What is their speed at the bottom of the hill
q1. a beam of light strikes a sheet of glass at an angle of 57.0circ with the normal in air. you observe that red light
A woman is riding a Jet Ski at a speed of 28.8 m/s and notices a seawall straight ahead, what is the minimum distance from the seawall that she can begin making her turn and still avoid a crash
Two horizontal forces, 218 N and 157 N, are exerted in opposite directions on a crate. What is the net horizontal force on the create? Be sure to indicate the direction of the net force. (Assume that the 218 N forces are in the positive direction.)
A piano tuner hears 2.0 beats per second between his 440 Hz tuning fork and a piano wire that has a lower pitch sound
A laser beam of unknown wavelength shines through the two slits and produces a diffraction pattern with dark bands at y1 = 8.9mm, what is the wavelength of the laser light used
One of the first signs of sunburn is the reddening of the skin (called erythema). How many photons are incident on the skin in this amount of exposure
The electric field within the membrane separating the inside and outside of a biological cell is approximately 7.7MV/m, what is the potential difference across the membrane
Three balls with masses of 3.0 kg, 1.0 kg, and 5.0 kg are located at coordinates (8.0m,8.5m), (8.5m,4.5m), and (4.5m,1.0m), What is the x-coordinate of the center of mass
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