an ultrasound pulse used in medical imaging has a frequency of 5 mhz and a pulse width of 0.5 us. ap- proximately how many oscillations of the sound wave occur in the pulse? the number of oscillations is sometimes called the quality, q, of the pulse. a pulse with little damping has q 1, whereas a heavily damped pulse has e 1. is the ultrasound pulse heavily damped?

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong

Which features on mars point to the possibility of liquid water on the planet? impact craters with sharp rims volcanic cones with craters gullies and stream-like channels mountain ranges with faults

The chart shows the costs and shipping times for materials that a company needs to build a new product. which describes the best trade-off if the company needs to start building their product within the next two years? they should order the domestic materials because it is always best to choose the fastest shipping time. they should order the imported materials because it is always best to choose the lowest cost for materials. since the shipping time is longer, they should order the domestic materials because the additional cost is worth it to get the materials in time. even though the shipping time is longer, they should order the imported materials because they are less expensive and should arrive in plenty of time to build the product.