Velocity of the car just before the collision
A 1120 kg car experiences an impulse of 30,000.0 N · s during a collision with a wall. If the collision takes 0.43 s, what was the velocity of the car just before the collision?
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What is the probability of getting a license plate that has a repeated letter or digit if you live in a state in which license plates have one numeral followed by three letters followed by three numerals? (Round your answer to one decimal place(an
A 10 lb sphere 6 inches in diameter and a 10lb hoop 12 inches in diameter roll down a 30 degree slope, find the angular acceleration and the acceleration of the mass center for the 2, Find the angular velocity of the sphere and hoop after they have
At a local fast-food joint, cars arrive randomly at a rate of 12 every 30 minutes. It takes an average of 2 minutes to serve each arrival. The utilization factor for this system is:
A mass m is suspended from a spring of stiffness 4000N/m and is subjected to a harmonic force having amplitude of 100N and frequency 5 Hz.
An object weighs 275 N when fully immersed in water and 325 N when fully immersed in oil of specific gravity 0.9. Determine the volume of the object (in m3).
A small radiant heater has a metal strips 6 mm wide with a total length of 3 m. The surface emissivity of the strips is 0.85. To what temperature must the strips be heated if they are to dissipate 200 W of heat to a room at 25 degrees celcius?
A thin layer of oil (of absolute viscosity = 0.40 N-s/m2) separates the plate from the table. To limit the shear stress in the oil layer to 1 kPa, what must the thickness of the oil film be (mm)?
Information from a university's website states that 55.6% of its students are female. For a research project, a graduate student selects a simple random sample of 400 the university's students. Describe the sampling distribution of p , the sample
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