How can humans have a positive impact on air quality? >>> ANS::by using public transportation instead of driving a car
by moving to a large city, where air quality is better
by removing vegetation such as trees and shrubs

Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?

Determine el momento angular de un rueda de 3000g moviendose a 10m/s con un radio de giro de 400cm

Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c.the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors