If you want to slide a 0.45 kg book across the table. If the coefficient of kinetic friction is 0.32, what force is required to move the book with a constant speed?

If state law mandates that elevators cannot accelerate more than 2.40 m/s2 or travel faster than 14.8 m/s , what is the minimum time in which an elevator can travel the 373 m from the ground floor to the observatory floor? ?

"if the pressure acting on an ideal gas at constant temperature is tripled, its volume isa) reduced to one-third.b) increased by a factor of three.c) increased by a factor of two.d) reduced to one-half"

Which insurance would contradict the big bang theory