Question 16 of 25 When might people prefer a digital signal to an analog signal for storing
information?
A. When they want to record visible light waves
B. When they want to copy the signal easily
C. When they want to record sound
D. When they want the signal to have infinite possible values

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33

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