wnat happens to the sound intensity level (expressed in dB) if we doubled the intensity of the voice of a specific sound?

Which is the best description of the acceleration of an object? an airplane changes elevation from 10,000 ft to 5,000 ft a cars velocity changes from 25 m/s to 20 m/s in 5 seconds a runner travels 100 m in one minute a remote-control car speeds up

Which best explains how thermal energy is transferred when someone holds a hand above a fire? It is transferred by conduction and radiation. It is transferred by only convection. It is transferred by only conduction.

A rock is dropped from a tall building. If the rock starts at rest, and the origin of the coordinate system is taken at the pinnacle of the building with positive direction taken to be upward direction, after 5.

A single covalent bond forms when two atoms do which of these?

When do mountain formations occur?

Summary of the big band theory

Use the Work-Energy Theorem to show that an object with initial velocity vo will travel a distance d across a rough horizontal surface before stopping, where d = vo2 / (2mKg).

If some raps 3words per second then how many words would he say in 9,999,999,990 seconds

The power rating of a light bulb (such as a 100-W bulb) is the power it dissipates when connected across a 120-V potential difference. Part A What is the resistance of a 100 W bulb?

Oliver weighs 600. N. He climbs a flight of stairs that is 3.0 meters tall in 4.0 seconds. a. How much work did he do? b. What was Oliver's power in watts?