Peacock mantis shrimps (odontodactylus scyllarus) feed largely on snails. they shatter the shells of their prey by delivering a sharp blow with their front legs, which have been observed to reach peak speeds of 23 m/s. what is this speed in feet per second?

True or false: the revolution of the earth creates day and night as it rotates around the sun

Your target variable is δf, the magnitude of the difference in frequency between the waves emitted from the sonar device and the waves received by the device after reflecting off the whale. write an expression for δf in terms of the relevant frequencies using the subscript notation introduced above.

Anybody wanna ? (picture included? )