Which one of the following is the weakest electrical conductor?

A. a sheet of aluminum foil

B. a cup of orange juice

C. a metal lunchbox

D. a rubber ball

A baseball player runs 27.4 meters from the batter's box to first base, overruns first base by 3.0 meters, and then returns to first base.

What is nebula and give me a sentence with that word

A horse runs for 15 seconds to the south at a speed of 12 m/s. What is the displacement of the horse in this time? A. 180 m south B. 150 m south C. 150 m D. 180 m

How does a parallel circuit change when a branch is added? 1. The total resistance increases, so the current in the circuit decreases. 2. The total resistance decreases, so the current in the circuit increases. 3.

Name the two sources of heat on Earth.

Which answer choice best explains why nuclear reactions release more energy than chemical reactions? Electrostatic forces of repulsion are thousands of times stronger than gravitational forces.

A train's mass is 18181.81 kg. What is its weight?

a 3.0m long frictionless pendulum swings with a maximum angluar displacement of 10 degree from the vertical. at its lowest position the kinetic energy of the pendulum is 20.0j what is the potential energy of the pendulum when the kientic energy is 5.

How are hypotheses and theories related to each other?

a bike can climb the inclined road at uniform speed of 72 km/hr by applying force 500N what will be the power applied by the bike?