Asolid weighs 80 gram in air, 64 gram in water and 75 gram in an oil. calculate:
a)the relative density of the solid

b)the relative density of the oil

c)weight of water displaced

d)upthrust in water

e)density of oil

f)loss of weight of object in water

g)apparent weight of object in water

h)upthrust in oil

i)weight of oil displaced

j)loss of weight of object in oil

k)volume of the object

l)density of object

Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.

Aclarinetist, setting out for a performance, grabs his 3.350 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 24.65 n. find the case's vertical acceleration. indicate an upward acceleration as positive and a downward one as negative.

Petroleum contains energy. a. light b. kinetic c. chemical d. mechanical