Select all of the answers that apply. jenna dives 20 meters into the ocean. how much pressure does she feel?
a.) 14.7 psi
b.)44.1 psi
c.)20 atm
d.)3 atm
e.)one atmosphere

What is the primary force that suspension bridges use cables to hold their spans up? a. tension force b. resistance force c. normal force d. elastic force e. applied force

(a) assume the equation x = at^3 + bt describes the motion of a particular object, with x having the dimension of length and t having the dimension of time. determine the dimensions of the constants a and b. (use the following as necessary: l and t, where l is the unit of length and t is the unit of time.) (b) determine the dimensions of the derivative dx/dt = 3at^2 + b. (use the following as necessary: l and t, where l is the unit of length and t is the unit of time.)

Why do astronauts in the space shuttle weigh less?