What effect does observing a substances physical properties have on substances

You move a 3N object 15 meters. Find work.

A vector has an x component of - 27.5 units and a y component of 43.0 units. find the magnitude and direction of this vector.

The largest water tower in Camden holds 2,000,000-gallons at 24 meters in the air. Using your existing equations, what is the potential energy of all that water? Note you will need to convert gallons into a usable measurement. Show your work!

You push on a large box with 120 N of force, but it doesn't move. How large is the friction force?

Anika asks Eva to roll a basketball and then a bowling ball to her. Which requires more force to roll, and why?

A golf ball is hit with an initial velocity of 155 ft/s at an angle of 23 degrees with the horizontal. After 1.4 seconds, how far has the golf ball traveled horizontally and vertically?. a. 199.7 feet horizontally and 75.2 feet vertically. b. 60.

What is the kinetic energy (in joules) of a. 2 kg softball thrown at a speed of 40 m/sec? (answer should be in correct units)

How is the information sent back to earth by the robots?

During which change of state do atoms lose energy? sublimation freezing boiling melting

Why does the rotation of earth require people to establish times zones?