You want to create a new warming appliance that is safe. Which type of electromagnetic wave would be most useful to investigate?

- X-rays

-infrared waves

-gamma rays

-ultraviolet waves

A worker pushed a 27kg block 9.2 m along a level floor atconstant speed with a force directed 32o below thehorizontal. If the coefficient of kinetic friction betweenblock and floor was 0.

Which shows the potential energy of particles in three substances, from least to greatest? liquid, solid, gas liquid, gas, solid solid, liquid, gas gas, liquid, solid

How is mass wasting different from other forms of erosion?

On April 15, 1912, the luxury cruise liner Titanic sank after running into an iceberg. What was the cruise liner's speed when it collided with the iceberg if it had a mass of 4.23 x 108 kg ship and a momentum of 4.9 x 109 kg·m/s?

Two balls are placed near one another and hang down, as shown below. Which conclusion is supported by this evidence? Neither ball has a charge. The balls are both positively charged.

A force acts on a 5kg object at rest. How fast will the object accelerate on a frictionless surface? A.) 4 m/s^2 B.) 15 m/s^2 C.) 25 m/s^2 D.) 100 m/s^2

Four wrestlers step on a scale for a tournament. Wrestler A weighs in at 170 pounds; wrestler B weighs in at 168 pounds; wrestler C weighs in at 171 pounds; and wrestler D weighs in at 169 pounds.

What is a change in velocity per time

Recall specific heat of water is 4186 j/kg/C. Find the specific heat of sample. Water. Sample Mass 109 192 Internal temperature. 21. 67 Final temperature. 30.1. 30.1

During which period did the first large herbivores and carnivores appear?