Decrease the fundamental frequency of longitudinal vibration
A bar of length L and mass M is fixed at one end and free at the other. What mass m is attached to the free end to decrease the fundamental frequency of longitudinal vibration by 25% from its fixed, free value?
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Suppose a lot is received and it has 3% defective, i.e. there are only 3 defectives in the lot of 100 units. What is the probability that it will be accepted? Please write the mathematical equation for the probability of acceptance, and then calcu
A sample to be used for medical imaging is labeled with 18F, which has a half life of 110 minutes. What percentage of the original activity in the sample remains after 300 minutes?
Determine the total change in: (a) length, (b) cross-sectional dimensions, and (c) volume. For the analysis, assume the alloy exhibits elastic behavior with E = 22.7 Times 10 6 psi and v = 0.28.
A 2600 kg truck traveling north at 40 km/h turns east and accelerates to 55 km/h. (a) What is the change in the truck's kinetic energy?
The fund earns 8 % per year. How much money must be deposited to the fund at the end of the year 0 to just deplete the fund after the last withdraw.
Very small losses, find a condition that relates the mechanical impedances of the supports at the ends of a bar of length L and longitudinal wave speed c if the bar is to have an integral number of wavelengths between its ends when it is vibrating
A volleyball player serves the ball with an initial velocity Vo of magnitude 13.40m/s at an angle of 20 degrees with the horizontal.
Will the liquid level in the tank rise to the top or fall to the bottom? What would happen if the tank contained 40 kg instead of 20 kg?
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