Walt ran 5 kilometers in 25 minutes, going eastward. what was his average velocity?

a. 0.17 km/m east
b. 0.2 km/m east
c. 5 km/m east
d. 25 km/m east

(hint: c is not correct)

Um vetor representa um deslocamento cujo módulo é 20 m. se v faz um ângulo de 60 graus com a horizontal, qual é o valor das componentes horizontal e vertical deste vetor?

Which is not true about oxygen-17 and oxygen-18?

Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward