Justify why does a bird flap its wing to fly higher?

A rock is thrown up into the air. It reaches the apex of it's flight and falls back down to the Earth. At the top of the rock's flight, what is rock's acceleration?

Which statement describes the motion of a mass on a spring? It exhibits constant velocity motion. It exhibits simple harmonic motion. It exhibits circular motion. It exhibits only upward motion.

The speed of sound through oxygen at 0°C is 316 meters per second. The speed of sound through solid copper is 5,010 meters per second. Which of the following could be the speed of sound through liquid mercury? A. 52 meters per second B.

An air pump does 5,600 J or work to launch a water bottle rocket into the air. if the air pump applies 150 N of force to the rocket at an angle of 45 degrees to the ground, what is the horizontal distance the water bottle rocket travels?

UVC uses a custom object to track site visits, When the status of a site visit ischanged from "in process " to "On hold " the business wants the site visit owner tobe automatically assigned to an "On hold " Queue.

How do air quality scientists ensure the air is cleaned? What steps do they take?

Is a mirrors surface opaque or transparent or translucent?

Sound waves can combine to become bigger or smaller true or false

Archimedes supposedly was asked to determine whether a crown made for the king consisted of pure gold (density of gold is 19.3 * 103 kg/m3). According to legend, he solved this problem by weighing the crown first in air and then in water.

What are at least three types of energy involving a microwave