A 4. An architect made a scale drawing on a grid of the front of

an arch for a public park. Each box on the architect's grid

measures 1 centimeter by 1 centimeter. The actual height

of the arch is 72 feet. What is the scale that the architect

used to create his drawing? Justify your answer and show

all the work

What is the temperature in degrees celsius of a substance with a tempature of 49k

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.

A10 kg box initially at rest is pulled 18 meters across a horizontal, frictionless surface by a 40 n force. what is the block’s final velocity over the 18 meters?