Which one of these particles is negatively charged?

a: neutron

b: electron

c:proton

Which of the following explains why a bicycle uses a lever? reduces the effort force*I picked this one increases the effort force reduces the resistance force increases the resistance force

A scooter has a mass of 250. Kg. A constant force is exerted on it for 60.0 S. during the time the force is exerted, the scooter increases its speed from 6.00 m/s to 28.0 m/s.

How to calculate average velocity physics?

Which of the following materials is a good conductor of electric current? A. a copper penny B. a glass window C. a plastic game piece D. a wooden spoon

What does the diagram represent?

Two sailboats leave a harbor in the bahamas at the same time. the first sails at 23 mph in a direction 330°. the second sails at 34 mph in a direction 190°.

What conclusion can be drawn from the statement that an element has high electron affinity, high electronegativity, and a high ionization energy? A) The element is most likely from Group 1A or 2A and in period 1 or 2.

When a cyclist rides past you on the street, this is an example of

Why are galaxies visible

I hockey puck slides across an ice rink more easily than it does across a rough concrete surface why is this