An arrow is launched at an angle of 30 degrees with an initial speed of 20.0 m/s. after 3 seconds, what will the arrow's speed be?

Nuclear power plants are designed to convert nuclear engery into what type of engery

2. A common physics experiment involves lowering an open tube into a cylinder of water and moving the tube up and down to adjust the length of the air column in the tube.

Which way does heat travel? Explain your answer.

Which three methods are valid for preventing further environmental damage from CO2?

A moving electron accelerates at 5200 m/s2 in a 55.0° direction. After 0.530 s, it has a velocity of 6598 m/s in a - 20.5º direction. What is the x-component of the initial velocity?

How can you tell one element from another?

Which of the following is not an accurate statement about the attitude of teenagers when driving

the circumference of Earth's orbit is 938 million kilometres how fast does earth travel in km/h in one year

A material is said to be ductile if it

A professional soccer player succeeds in scoring a goal on 84% of his penalty kicks. assume that the success of each kick is independent.