1. The earth has a mass of 6.0x1024kg. Calculate the gravitational field for all of the distances
shown and then graph the data. Show all your work for the first calculation. [4]

Neurons are components of the nervous system of the body that transmit signals as electrical impulses travel along their length. these impulses propagate when charge suddenly rushes into and then out of a part of the neutron called an axon. measurements have shown that, during the inflow part of this cycle approximately 5.6x10^11 na per meter, each with a charge of e enter the axon. how many coulombs of charge enter a 1.10 cm length of axon during this process