A lost satellite is moving through empty deep space far beyond the significant gravitational influence of any other object. Which of the following kinematical quantities are constant? I. speed II. velocity III. acceleration IV. displacement

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up

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

Which type of energy would have nothing to do with ironing clothes? a. heat b. chemical c. electrical d. mechanical