What practical function is provided by the ionosphere? Produces auroras charges atoms heats oxygen and nitrogen permits worldwide radio communication

Tim is riding a bike at a velocity of 10m/s north. As he starts to climb a hill, his velocity decreases to 5 m/s north. Is the acceleration positive or negative? Calculate the acceleration.

What is another term means balance in physics?

What lab equipment would be used to measure volume?

List three examples of material culture.

What is the average speed of the object

Lead-202 has a half-life of 53,000 years. How long will it take for 15/16 of a sample of lead-202 to decay? A) 106,000 years B) 159,000 years C) 212,000 years D) 265,000 years

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