A boy of weight 500 N has feet with a total area of 200 cm2

. What is the pressure between

him and the ground if he stands on both feet?

A projectile is shot horizontally (x direction) from the edge of a vertical cliff 100 m above level ground. Its initial speed is 75 m/s. Neglecting air resistance.

Disadvantages of magnets

Under what circumstances does distance traveled equal magnitude of displacement? what is the only case in which magnitude of displacement and displacement are exactly the same?

A car accelerates from rest to 19 m/s in 6 seconds. What is the acceleration of the car?

What of the following does NOT influence resistance? * A. thickness of wire B. temperature C. material of wire D. Number of components

An arrow is shot upward on mars from ground level with a velocity of 60 meters per second. Its height (in meters) after t seconds is given by 2 s (t) = 60t - 1.9t^2.

Energy transformations in a bouncy house

Suppose gene A on the left chromosome is damaged and no longer functions. what form of the trait would show? Why?

What is the use of scientific knowledge and research for an action

How do evaporation and condensation relate to heat