The planet mars has a mass of 6.42e23 kg and a radius (from its centre to the surface) of 3.38e6 m. a) determine gravity on mars. b) Determine the weight of 60.0kg person on mars

Which fact supports the conclusion that there will be fewer farm managers in the future? a) a farmer manager’s duties vary by the type of farm. b) farm technology is replacing some administrative jobs c) farm managers often need experience but not education. d) administrative duties include budgeting and training staff.

Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers distance

7types of electromagnetic waves from lowest to highest frequency