We have a heat engine that produces 150 J of heat, does 40 J of work, and emits 110 J into another system. What is the efficiency of the heat engine? (show you work)

Wire A has the same length and twice the radius of wire B. Both wires are made of the same material and carry the same current.

What dose it mean to say that science is a systematic process

Would a 500 μF or 100 μF capacitor keep a light bulb on longer? Explain your reasoning

What is the dot product of a = - 2i - 5j and b=i - 4j

You are in a car driving 60 mph without a seat belt. The driver needs to slam on their breaks very hard. At that moment, you continue to move forward and hit the seat in front of you hurting your face.

Each shell is limited to a maximum of four electrons. True or False?

What is a hypothesis answer sentence for a lemon battery experiment

An object that is initially at rest on a frictionless floor is struck by a flying rock with an impulse jfonox. what is the final momentum of the object?

In a classroom, why can we hear the sound waves produced by the teacher talking?

What is the general defination of parallax?