";s:4:"text";s:3583:" Figure 1 shows scatter diagrams of the differences between different RR-interval expressions found for the measured ECG segments. You know what is speed. Furthermore, the entire time intervals of fall (less than 3 seconds even from the top of a 10-story building) are shorter than Galileo could have measured accurately with the clocks available to him. Think it by an example. Very small time intervals are accurately measure by A. We need to measure extremely small intervals of time because sometimes the normal hours, minutes, and seconds just doesn't cut it. Now think you are going from your house (A) to your school (B). A. Pabsars B. It is distance traveled divided by the time taken. Yes, because it's direction has changed. Renal systolic time intervals, including pre-ejection period (PEP) and ejection time (ET), and ratio of renal PEP to ET, were measured by electrocardiographic gated Doppler ultrasound. The reading which indicates the time interval appears on a meter calibrated in fractions of a second and can be kept on the meter for several minutes. This method works very well for small businesses, but even if you're managing large groups, this kind of performance measurement is simple and time-saving. So a direct test of whether D v/ D t is constant was not possible for Galileo. Very small time intervals are accurately measure by a) White dwarfs b) Quartz clocks c) Atomic clocks d) Pulsars Figure 2 shows cumulative frequency distributions of these differences. An atomic clock is a clock device that uses a hyperfine transition frequency in the microwave, or electron transition frequency in the optical or ultraviolet region of the electromagnetic spectrum of atoms as a frequency standard for its timekeeping element. Surveying - Surveying - Hydrography: Surveying of underwater features, or hydrographic surveying, formerly required techniques very different from ground surveying, for two reasons: the surveyor ordinarily was moving instead of stationary, and the surface being mapped could not be seen. It is an electronic clock device. The quantitative method measures productivity by the number of parts or products an employed produces in a particular period of time, such as per hour, day or month.. what tells you the instantaneous speed of a car? White dwarfs C. Atomic Clocks D. None of these.