Your friends car has stalled in the road. You help you friend push the car off the road. Your friend pushed with a force of 55 N and you push in the same direction with a force of 60 N. How much force is being applied to the car

Two friends at different locations want to communicate with each other by sending low energy signals. which of the following methods can they use to communicate? a) produce x-rays using colliding electrons and send them to radios, which capture sound b) send messages using infrared radiation, which travel in the form of waves c) send radio waves through intervening media like radio and television d) produce sound waves using microwaves from heated objects

What three things determine the shape and size of a puddle when water is poured out onto a surface

How many liters of oxygen gas, at standardtemperature and pressure, will react with 35.8 grams ofiron metal? 4 fe (s) + 3 o2 (g) → 2 fe2o3 (s)