calculate the magnitude of the net force on a 4.5 kg mass if the mass moves straight up at constant speed

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

Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?

Aspaceship starting from a resting position accelerates at a constant rate of 9.8 meters per second per second. how far will the spaceship travel if its final speed is 1 percent the speed of light (300,000,000 m/s)? a. 3.1 × 106 m b. 2.94 × 108 m c. 7.8 × 1010 m d. 4.6 × 1013 m