What is the first sing of dehydration

On a 30degrees day, there is an explosion. The sound is heard 3.4s after seeing the flash. How far away was the explosion

What are 5 metals used as either pure substances or alloys

Two paramedics are lifting a person on a stretcher. One of the paramedics exerts a force of 350 N at 58o above the horizontal and the other exerts a force of 410 N at 43o above the horizontal. What is the weight of the person and the stretcher?

An unknown fiber sample is found at a crime scene. Forensic scientists measure its index of refraction and obtain a value of 1.48.

Why is Liquid Mercury does not have a fixed shape

A moving object always has energy in its?

What is the volume of a box that is 12 cm long, 2 cm wide, and 3 cm high?

Suppose a child drives a bumper car head on into the side rail, which exerts a force of 4000 N on the car for 0.200 s. (a) What impulse is imparted by this force?

If a soundproof door is almost shut but still leaves a small opening, what wave phenomenon is responsible for someone being able to hear sound from the room while standing by the wall to the side of the opening?

What happens to the force of gravitational attraction if the distance between two objects increase?