Calculate the speed of sound in air if the change in temperature of atmospher is
A.30°c

B 41°f. change them

C.274k

Like a key in a lock, the shape of the. must bind with the. of the recieving neuron

The step-down transformer gives a current of 10a at 24v if the primary voltage is 240v calculate the 1_primary current 2_the power input 3_the power output

Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.