What is the lowest level of sound that can be detected by human hearing? 0 decibels 10 decibels 20 decibels 100 decibels

A child is sliding down a slide at the playgound. is mechanicalenergy conserved

Within visible light, violet has the lowest frequency. a. True b. False

What is the dangerous component of a live electrical circuits

Explain how the energy of a rubber ball is transformed as it rolls down a ramp.

Consider the equation 2KBr + Cl2 → KCl + Br2. What type of reaction is this?

A trained attack octopus can crawl at a velocity of 0.3m/s. If the octopus crawls towards its victim for 30 seconds, what is the change in position (or distance) that the octopus crawled?

Which profession is responsible for a planes design? A) Aerospace engineering B) Aerospace mechanic C) Pilot D) Flight attendant

Distracted driving laws have been put in place due to scientific studies that have shown the dangers associated with wireless technology. DDT. plastics. vaccines.

An electric circuit consists of a variable resistor connected to a source of constant potential difference. If the resistance of the resistor is doubled, the current through the resistor is (1) halved (3) quartered (2) doubled (4) quadrupled

If it takes 20n to move a box, how much power will be needed to move the box a diatance