Why is an object's weight dependent upon where in the universe it is located? a. gravitational force is the magnitude of weight acting on an object. weight varies in different places in the universe; therefore, gravitational force also varies. b. weight is the magnitude of gravitational force acting on an object. gravitational force varies in different places in the universe; therefore, weight also varies. c. weight is the amount of matter in an object. because gravity is a force, and force is proportional to weight, both gravity and weight vary in different places in the universe. d. gravitational force is the magnitude of weight acting on an object's mass. weight varies in different places in the universe; therefore, gravitational force and mass also vary.

Fft review: linspace, fs, fftshift, nfft 1. generate one second of a cosine of w,-10hz sampled at f, = 100hz and assign it to x. define a tt as your time axis 2. take 64 points fft. 3. as you remember, the dft (which the fft implements) computes n samples of s2t where k-0,1,2, n -1. plot the magnitude of this 64-points fft at range 0 to 63, what do you think of this graph? 4â·to get the x-axis into a hz-frequency form, plot this 64-points fft between-50 to 50 (the 100hz sampling rate) and have n-points between them. 5. according to your figure, what frequency is this cosine wave at? 6. remember that the fft is evaluating from 0 to 2ď€. we are used to viewing graphs from-ď€ to ď€. therefore, you need to shift your graph. 7. now according to your shifted graph. what frequency is this at? 8. note that the spikes have long drop-offs? try a 1024-point dft. note that the peak is closer to 10 and the drop-off is quicker. although, now sidelobes are an issue

What are igneous intrusions and extrusions

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