In order to be accepted, a scientific theory must be

1. widely tested and supported by extensive data

2. based on the results of a single experiment

3. controversial and cause debate

4. in line with all previous historical ideas

Do all rocks stay the same throughout their life time

A satellite that is spinning clockwise has four low-mass solar panels sticking out as shown; the mass of the satellite is 800 kg.

What is Reverend Hail doing at the jail?

Systems in nature tend to undergo changes toward___? Explain your answer. 1. lower energy and lower entropy. 2. lower energy and higher entropy. 3. higher energy and lower entropy. 4. higher energy and higher entropy.

A charged particle moves at 2.5 * 104 m/s at an angle of 25° to a magnetic field that has a field strength of 8.1 * 10-2 T. If the magnetic force is 7.5 * 10-2 N, what is the magnitude of the charge? 3.7 * 10-5 C 4.1 * 10-5 C 8.8 * 10-5 C 1.

The acceleration of an object is proportional to which of the following? the mass the energy of the object the inverse of the mass the inverse of the force applied

Suppose you squeeze a sponge into a small ball. does the mass of the sponge change? Does it's density change?

A solid round bar with diameter of 2-in has a groove cut to a diameter of 1.8-in, with a groove radius of 0.1-in. the bar is not rotating.

If a pilot pulls her 12.0 kg rollaboard suitcase along the ground with a force of 25. N for 10 M. The handle she pulls on makes an angle of 36.5 degrees with the horizontal. How much work does she do over the ten meter distance?

What happens to the density when water is poured into a empty glass?