Suppose that, when sampled at a rate of N = 8, a particular signal is given as: f = 3e0 − 2e1 + e4 − 7e7. What would the signal look like, in terms of the standard basis, if sampled at a frequency of N = 4?

The magnetic field inside a superconducting solenoid is 4.50 t. the solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. determine (a) the magnetic energy density in the field and (b) the energy stored in the magnetic field within the solenoid.

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

Asynthetic fiber used in manufacturing carpet has tensile strength that is normally distributed with mean 75.5 psi and standard deviation 3.5 psi. how is the standard deviation of the sample mean changed when the sample size is increased from n equals 8 to n equals 47