Calculate the frictional force needed for a car
Calculate the frictional force needed for a 900 kg car traveling around a 500 m radius curve at 25 m/s, if the car is to continue moving in a circle and not slide. Assume an unbanked curve.
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A 13 mL sample of a solution of AlBr3 was diluted with water to 25mL. A 15 mL sample of the dilute solution was found to contain0.045 moles of Br-. What was the concentration of AlBr3 in the original undiluted solution?
A uniform electric field of 300 N/C makes an angle of 25o with the dipole moment of an electric dipole. If the potential energy of the dipole is -2.5 × 10-7 J, what is the magnitude of the dipole moment?
In a mild steel block, a flat surface of length 100 mm and width 60 mm has to be finished in a shaping machine in a single pass.
Batteries' life spans are normally distributed. The mean is 2300. The standard deviation is 20 hours. What percent of batteries have a life span of more than 2330 hours?
Assuming that the natural gas may be approximated as pure methane, which has physical properties as listed below, determine the mass (kg) of natural gas contained within the storage tank.
Concentrated hydrochloric acid is a stron acid with aconcentration of approximately 12 M. what is the pH of concentrated hydrochloric acid?
a) Find the magnitude and the direction of the wind velocity b) If the wind velocity is 38 km/h due south, in what direction should the pilot set her course to travel due west? Use the same airspeed of 214 km/h.
Assuming that all the heat supplied to the extracted bitumen part is recovered at the wellhead, how much heat must be supplied to the sand-stone for this process?
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