The hot gas lines need to be insulated? A never B always C if they are exposed to cold temperatures that could cause the refrigerant to condense in the line D for systems using hfc refrigerants

Lisa exposes an iron paper clip to a very strong magnet. She is now able to pick up other paper clips using her newly magnetized clip.

Is the force of the mosquito on the car larger than, smaller than, or equal to the force of the car on the mosquito?

Which of the following is a property of all periodic waves? A. They follow a repeating pattern as they propagate. B. They oscillate in a direction perpendicular to the direction in which they propagate. C. They tend to propagate in a circle. D.

To survive, humans need resources found on the Earth. Why is this true? A. Humans could not eat, drink, and breathe without the resources of plants, water, and air. B. Humans could not have cars without the resources of fuels and metals. C.

What is the orbital period of deimos?

Which of the following describes a response to external stimuli? a rabbit runs away from a fox that is chasing it a woman drinks water when she is thirsty a boy eats food when he is hungry a person yawns when oxygen levels in the blood are low

Why do moon phases repeat about every 28 days

Which energy transformation takes place when a firecracker explodes

Newton's first law states that an object traveling with a constant velocity will remain traveling at a constant velocity unless an unbalanced force acts.

A karate expert breaks a stack of bricks with his bare hand. If the force applied is 520 newtons and the impact time is 5.0 * 10-4 seconds, what is the value of impulse?