if we could build rockets that could travel at the speed of light, how many years would it take for an astronaut to travel from the milky way to the andromeda galaxy

Describe the current atomic model.

Jane puts some water into an electric kettle and then she connects it to the power source. She observes that after some time the water inside the kettle heats up and begins to boil. What is happening? A) Light energy is transforming into heat.

Are zygote, gametes, reproductive cells, and heterozygote cells genetically similar or different

Neutron stars are smaller in size than less massive white dwarfs. a. True b. False

What can you conclude about the resistors connected in series and in parallel?

What are three physical properties of helium

Why is the calorimeter assembled by placing one cup inside the other?

The current through two identical light bulbs connected in a series is 0.25 amps. The voltage across both bulbs is 100 volts. Find the resistance of a single light bulb.

The Sun transfers light energy that is transformed into what kind of energy in plants?

The siren of a fire engine that is driving northward at 30.0 m/s emits a sound of frequency 2000 Hz. A truck in front of this fire engine is moving northward at 20.0 m/s.