The we sleep in can also make a big difference in how we feel when waking up. A. bed B. position C. blanket D. sheets

force is mass*acceleration.

we have a very small mass: 11.4*0.001 kg

if we want 0.035n of force, we need an acceleration:

0.035 = 11.4*0.001*a

a = 0.035/(11.4*0.001) m/s^2

the doppler effect is used by weather forecasters to measure 

moving clouds