While overlooking a canyon, you yell your name very loudly. If it is 20.0 ° C, and you hear your name echoed back to you in 1.60s, how wide is the canyon?

1. Explain how UY Scuti and J0523 are different.

Which of these statements is correct about photosynthesis and decomposition? Both release carbon dioxide into the atmosphere. Both absorb carbon dioxide from the atmosphere.

A cannon launches a 4.0kg bowling ball with 50J of kinetic energy what is the bowling ball's speed

8. A 740 kg car traveling 19 m/s comes to a complete stop in 2.0 s. What is the force exerted on the car during this stop?

people who must memorize a lot of information, and remember it for a long time, are relying on the ___ more than most people

The frequency of a given region of the electromagnetic spectrum ranges from 3 _ 1016 _ 3 _ 1019 hertz. Which type of wave is found in this region?

A student is testing the kinematic equations for uniformly accelerated motion by measuring the time it takes for light-weight plastic balls to fall to the floor from a height of 3 m in the lab. The student predicts the time to fall using g as 9.

Newton's Second law of Motion (F = ma) is one of the basis of forces and motion. How is it very similar to his First law and why is finding the acceleration of the system (the main reason we use it) so important to solving physics and real world

You find out that it takes 2 sec. for the swing to complete one cycle. what is the swing's period and frequency?

Can you chemical change or alter DNA