What is necessary to accelerate a 70-kg object at a rate of 4.2m/s2?

The distance at inferior conjunction (closest to Earth) is calculated by subtracting the planet's orbit size from Earth's distance from the sun (1 au). What is Venus's distance at inferior conjunction?

Darwin's hypothesis that explains differences between species is better known as "evolution by natural selection." true or false

A balloon filled with helium gas is found to take 6 hours to deflate to 50% of its original volume. how long will it take for an identical balloon filled with the same volume of hydrogen gas (instead of helium) to decrease its volume by 50%?

Is a sandwich a mixture?

A 12-volt car battery pushes a charge through the headlight circuit with a resistance of 8.5 ohms. How much current is passing through the circuit?

The red LED consists of a white LED covered with a red filter. What does the red filter do?

What is the net force acting on a 10 kg freely falling object?

A comet is a A. meteoroid that travels through Earth's atmosphere and hits the surface. B. meteoroid that burns up in Earth's atmosphere, producing a streak of light. C.

Can Someone explain the steps for this? A lovesick lad wants to throw a bag of candy and love notes into the open window of his girlfriend's bedroom above. Assuming it just reaches the window, he throws the love gifts at 16.

Which substance is a combination of different atoms?