An arrow representing velocity shows ? A : position and time
B: speed and direction
C: distance and acceleration

Explain vector addition, triangle method and parallelogram method

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

The average density of the planet uranus is 1.27 103 kg/m3. the ratio of the mass of neptune to that of uranus is 1.19. the ratio of the radius of neptune to that of uranus is 0.969. find the average density of neptune.