What type of wave is energy transmitted and a definite direction in with a definite speed

A person holds an empty glass beaker and pours hot water into it. Why does it take a few seconds before his hand starts to feel hot?

Magnetic fields are produced by: atoms currents voltages charges

To heat 1g of water by 1 C requires A) 1 calorie b) 1 Carlorie c) 1 Joule d) 1 watt

Self-registering thermometers are used for: temperature/depth profile bottom water temperatures air temperature surface water temperatures

Having successfully ransomed a nearby city with her rail gun, Prof. Marcia Grail is looking for new and exciting ways to wreck science based havok for profit.

A metal underground water pipe that is in direct contact with the Earth for? or more is a code-recognized as a grounding electrode and must be included in the grounding electrode system.

Bob has been Springfield's top meteorologist for ten years. He received data from satellite imaging and computer models that a huge storm system is headed Springfield's way.

A person runs off a cliff into a lake below. If the person leaves the cliff without a horizontal velocity of 4m/s, how far way from the cliff does he land is the cliff is 17m high?

Any good and bad insulators of thermal energy, hot or cold, and why?

You create a transformer by wrapping wire around an iron nail. The number of turns are: Primary (500); Secondary (2500). The Primary voltage is 3.00 V. The Secondary current is 200 mA.