Who first proved that the sun is not at or even close to the center of the milky way galaxy?

Use Newton's second law of motion to solve the following problems. ron bicycles forward with an acceleration of 2.1 m/s^2 if he is applying a forward force of 195N, what is his mass

What two types of evidence are used to classify orgianisms?

Green sea turtles eat sea grass that grows on the sea floor. Seagrass, a foundation species, provides an important breeding ground for fish and other marine organisms.

A 2 m length of an aluminum pipe of 240 mm outer diameter and 10 mm wall thickness is used as a short column to carry a 640? centric axial load. Knowing that? = 73? P? and? = 0.

A 4 kg and 6 kg bowling ball are dropped from the same height at the same time. The two balls strike the ground at the same time. Which statement is true about the force due to gravity on the balls?

The force of gravity on a 2-kg rock is twice as great as that on a 1-kg rock. why then doesn't the heavier rock fall faster?

Which of the following statements is true of the carbohydrate glucose? A. Glucose is a pentose sugar B. Glucose is a polysaccharide C. Glucose contains carbon, hydrogen, and oxygen atoms

Who first proved that the sun is not at or even close to the center of the milky way galaxy?

How does the potential energy of an object change when its height is tripled

Equal masses are suspended from two separate wires made of the same material. The wires have identical lengths. The first wire has a larger cross-sectional area than the second wire. Which wire will stretch the LEAST? a.