Compute the density of such a star
Neutron stars consist only of neutrons and have unbelievably high densities. A typical mass and radius for a neutron star might be 2.89E+28 kg and 1.08E+3 m. Calculate the density of such a star.
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Someone working for a survey organization approached thefirst 100 students they saw on campus, and noted that 52 of these students were female and 48 of these students were male
The angular velocity, omega, of the system is 1.1 rad/s when the student is at the rim. Find omega when the student is 2.73m from the center.
You are planning to save for retirement over the next 30 years. To do this, you will invest $600 a month in a stock account and $300 a month in a bond account. The return of the stock account is expected to be 8 percent, and the bond account will
A regression of the amount of calories in a serving of breakfast cereal vs. the amount of fat in the cereal gave the following results: Calories = 97.1053 + 9.6525*(grams of fat).
It is estimated that for every additional gram of fat in the cereal, the number of calories increases by about 9.
The turbine efficiency is 88%, while the pump efficiency is 80 %. Determine for the cycle the net power developed, in Btu/ h.
Consider a 7-year project with the following information: initial fixed asset investment = $470,000; straight-line depreciation to zero over the 7-year life; zero salvage value.
Calculate the equivelent torque of the motor (T_em) required to accelerate a load of 1.0 kg from rest to a speed of 1 m/s in a time of 4 sec. Assume motor torque to be constant during this interval.
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