How can a change in technology affect scientific knowledge?

Three students are pushing on a box. Under what conditions will the motion of the box change?

Ja-Anna, has a mass of 45 kg, climbed 3m up a ladder to rescue her cat from a tree. how much work against gravity did she do?

Disadvantages of friction

An alternating current consists of charges that: a.) turn on and off repeatedly. b.) move back and forth in a circuit. c.) flow in one direction only. d.) flow in one direction in some devices and change direction in others.

Juan wants to dilute a 5 molar solution of sulfuric acid down to a 1 molar solution. What would be the best way for him to do this? A. Add 400 mL of water to a beaker filled with 100 mL of sulfuric acid. B.

How many stars, approximately, are in the solar system?

The ends of a magnet where the force is strongest are magnetic

Which statement is equivalent to newtons first law

Austin kicks a soccer ball with an initial velocity of 18.0 m/s at an angle of 35.0°. What are the horizontal and vertical components of the initial velocity? Round your answers to the nearest tenth.

Which equations are balanced? Check all that apply. Mg3N2 + H2O → 3MgO + 2NH3 C3H8 + 5O2 → 4H2O + 3CO2 Zn + 2HCl → ZnCl2 + H2 3Ca (OH) 2 + 2H3PO4 → Ca3 (PO4) 2 + 6H2O 3H2SO4 + 2Fe → Fe2 (SO4) 3 + H2 4Al + 3O2 → 2Al2O3