A train of mass 800000kg is slowing down. What acceleration is produced if the braking force is 1400000

What units do chemists normally use for density of liquids and solids? for gas density? explain the differences?

Which statement is an observation from Newton's experiments with light? White light becomes a range of colors after passing through a prism. A prism adds a range of colors to white light. Newton asked questions about the makeup of white light.

What is a resistor? A. a light bulb B. a switch C. a battery

Newton's firstsecondthird law states that an object in motion stays in motion unless an unbalanced force acts on that object.

Calculate the calories lost when 95 g of water cools from 45 ∘C to 29 ∘C. Express your answer to two significant figures and include the appropriate units. Use abbreviations for the units.

Chemical bonds are formed from the attractive force of atoms for electrons. What is the force called?

How resistance, current, and voltage behave in a series circuit.?

A father racing his son has 1/3 the kinetic energy of the son, who has 1/2 the mass of the father. The father speeds up by 1.4 m/s and then has the same kinetic energy as the son. What are the original speeds of (a) the father and (b) the son

An element cannot be dived into smaller parts

A pelican dives downward from a height of 35 m with an acceleration of 9.8 m/s² to grab a sardine at the surface of the ocean. How long does the dive take? OA) 0.75 s OB) 1.9 s OC) 2.7 s OD 7.1 s