Find the speed of the car at the bottom of the driveway
A 2.1 x 10^3 kg car starts from rest at the top of a 5.0 m long driveway that is inclined at 20 degrees with the horizontal. If an average friction force of 4.0 x 10^3 N impedes the motion, find the speed of the car at the bottom of the driveway.
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Describe the microstructure of a heavily cold-worked metal of an Al=0.8% Mg alloy as observed with an optical microscope at 100x.
Sodium hypochlorite (NaOCl) is the active ingredient in many aqueous commercial bleaching products. If the NaOCl added to aparticular sewage treatment process had a half-life of 15 days.
A monatomic ideal gas is compressed adiabatically from a pressure of 1.16 x 105 Pa and volume of 260 L to a volume of 32.0 L. (a) What is the new pressure of the gas? Answer in Pa
In the US, it is reported that 72% of woman have some type of piercing. The most popular piercing location is the ear. A recent study reported the following statistics on the popularity of alternative piercings (percent of the total non-ear pierci
How many of those donors should the Red Cross have expected to have type O-negative blood? A typical donation is one pint, so assuming the typical donation and that each person only donates once, what amount of O-negative blood could the Red Cross
A skier of mass 70 kg is pulled up a slope by a motor driven cable. (a) How much work is required to pull him 60 m up a 30 degree slope (assumed frictionless) at a constant speed of 2.0 m/s? (b) What power must a motor have to perform this task?
In testing a hypothesis using the chi-squared test, the expected frequencies are based on the
The energy of an RLC circuit decreases by 1.00% during each oscillation when R=2.00 ohms. If this resistance is removed, the resulting LC circuit oscillates at a frequency of 1.00 kHz. Find the values of inductance and capacitance.
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