What is the average strain in the spike during the impact
A 26.0 kg hammer strikes a steel spike 2.40 cm in diameter while moving with speed of 20.0 m/s. The hammer rebounds with speed 10.0 m/s after 0.110 s. What is the average strain in the spike during the impact?
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a) How wide must this oven be so that it will contain six nodal planes of the microwave disturbance (including the nodal plane at each walls) along its width in the standing wave pattern? b) What is the frequency of these microwaves?
Calculate the hydrostatic difference in blood pressure between the brain and the foot in a person of height 1.85 m. The density of blood is 1.06×103 kg/m3
Consider the following results for independent samples taken from two populations.
Specify the boundary conditions at 0degrees, 180deg, 270degrees and 360. Sketch the s-v-a (position, velocity and acceleration) diagrams for one cycle. Display the diagrams large and clearly.
a) Is the sphere positively or negatively charged? Explained. b) Calculate the magnitude of charge on the sphere. c) How much excess or deficit of electrons does the sphere have?
Using Kitchen as population 1 and Master Bedroom as population 2, develop a point estimate of the difference between the population mean remodeling costs for the two types of projects (to 1 decimal).
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The coefficient of kinetic friction between the runway and a tire is 0.60. A wheel has a moment of inertia of 2.9 kg m^2 and a radius of 0.15m. How long is the skid mark that the tire leaves on the runway?
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