Un biciclist se misca rectiliniu si uniform pe un drum orizontal. Ce valoare numerica are forta rezultanta care actioneaza asupra lui

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

Observations show that interstellar clouds can have almost any shape and

How does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3? a. increased by a factor of 3 b. it is decreased by a factor of 9 c. it is reduced by a factor of 3 d. it is increased by a factor of 9