What car companies are making electric cars

The sun is 30 degrees above the horizon. it makes a 51 m long shadow of a tall tree. part a how high is the tree?

Johannes Kepler is known for which discovery in astronomy? discovering planets around other stars determining planetary laws of motion recording 20 years of data about planetary motion proposing the heliocentric model of the solar system

An emission spectrum is created when a sample of excited gas emits particular frequencies of light.

What is the force of gravity between two 3.0 kg masses 1.0 m apart?

A block of ice of mass 4.30 kg is placed against a horizontal spring that has a force constant k = 250 N/m and is compressed a distance 2.80 * 10⁻² m. The spring is released and accelerates the block along a horizontal surface.

Newton's second law states that the force produced by a moving object depends on its mass and acceleration. Which is an example of this? A.

What is the speed of a 1200 kg car moving with a kinetic energy of 15 kJ?

Which of the following elements are least abundant in the solar system? Oxygen Carbon Helium Hydrogen Nitrogen

Which statement is true? The earth's moon is thought to have formed when a Mars-sized planet collided with Earth during its final stages of planetary accretion. Without the earth's moon, life on Earth would not be possible.

A spaceship accelerates from 0m/s to 40m/s in 5 seconds. What is the acceleration of the spaceship