A 65 kg students is walking on a slackline, a length of webbing stretched between two trees. the line stretches and sags so that line makes a 20 degree angle relative to the horizontal. what is the tension in the line?

Name one benefit and one limitation of comparative investigations

Organizing and interpreting information from the senses is called

What is on the x-axis of a speed graph

The average distance between the Sun and a certain planet is approximately 2.3 x 1014 inches. Which of the following is closest to the average distance between the Sun and the planet, in kilometers? (1 kilometer is approximately 3.9 x 104inches.

If released, the chemical potential energy will cause the coal atoms and molecules to vibrate violently, and this internal kinetic energy can be transferred to other nearby objects.

You have a box of filled with gas and by some process you double the number of atoms in the box, but now each one only has (on average) half as much energy as before the process started.

A car traveling 26 m/s starts to decelerate steadily. It comes to a complete stop in 13 seconds. What is it's acceleration. ___m/s^2

Less work was done. What is one possible reason why this has happened? A. There was more force applied; therefore, there was less movement. B. There was less force applied; therefore, there was more movement. C.

What are the optimal conditions for using a solar oven?

What is the magnifying power of an astronomical telescope using a reflecting mirror whose radius of curvature is 5.5 mm and an eyepiece whose focal length is 2.9 cmcm? Follow the sign conventions.