The plum pudding model of the atom states that

a) each atom has overall negative charge.
b) each atom has dense, positively charged center.
c) an atom is a solid, invisible sphere that makes up all matter.
d) an atom is made up of electrons in a sea of positive charged.

Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n

Determine the maximum r-value of the polar equation r =3+3 cos 0

Much of the information taught in earth-space science would not be available if it weren’t for our remote sensing abilities. explain two ways our remote sensing strategies contribute to our knowledge of these topics.