When a body receives a stimulus, the nervous system is called to release adrenaline. under what circumstances can this happen?

How long does it take the ball to reach its maximum height? answer in units of s?

The engine of the car develops a driving force of 4000N. Air resistance also acts on the car, with a force of R. If the car has a mass of 1000kg, and is accelerating at 1.5m/s^2, calculate the magnitude of R.

Ionic bonds are formed when ...

3 Unanswerable Questions Do you think you are up for the task? 1) What is the color of a mirror? 2) Why is it that rain drops but snow falls? 3) Why is the time of day with the slowest traffic called rush hour?

What are the protons and neutrons of mercury 2?

Which is the relationship between photon energy and frequency?

Two like charges are separated by some distance. Describe the quantitatively what will happen to the force exerted by one charge on the other ifa) the distance between the charges is doubledb) the distance between the charges is halvedc) one of the

A chemical is one or two letter used to represent an element

A student throws a 5.0-newton ball straight up. What is the net force on the ball at its maximum height? (1) 0.0 N (3) 5.0 N, down (2) 5.0 N, up (4) 9.8 N, down

An object starts from rest and falls freely for 40. meters near the surface of planet P. If the time of fall is 4.0 seconds, what is the magnitude of the acceleration due to gravity on planet P?