Ablock-spring system consists of a spring with constant k = 465 n/m attached to a 1.00 kg block on a frictionless surface. the block is pulled 5.70 cm from equilibrium and released from rest. for the resulting oscillation, find the amplitude, angular frequency, frequency, and period. what is the maximum value of the block's velocity and acceleration? hint (a) amplitude (in m) m (b) angular frequency (in rad/s) rad/s (c) frequency (in hz) hz (d) period (in s) s (e) maximum velocity (in m/s) m/s (f) maximum acceleration (in m/s2) m/s2

sonar - device which is used to find the submit submarines, sankalp ship. sonar waves consists of a transmitter and detector which are installed in the observation centre on board of a ship. the ultrasonic waves are sent into the sea at high frequency about 1000 khz in all direction.

a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.

a is the best answer your welcome