Alejandra weighs 225 newtons. how much work does she do against gravity when she climbs to a ledge at the top of a 15 meter climbing wall

Which is the result of mitosis and cytokinesis?

A ball is thrown horizontally at 12.2 m/s from the roof of a building and lands 21.0 m from the base of the building. How high is the building?

What are the importance of physics

Explain whether or not there is any difference between a light ray emitted by a candle flame and one reflected off the cover of a book. b. Determine whether the reflection off the cover of a book is specular or diffuse and explain your answer.

6.9 is how many kilometers

What is the thermometer

In which natural cycle must an important gas in Earth's atmosphere be fixed before plants can use it? a. sulfur cycle b. carbon cycle c. nitrogen cycle d. oxygen cycle

Convection only occurs in what? a. gases b. fluids c. liquids d. solids

Which philosopher called all people the "sovering" meaning all power should rest with them?

M = 10 Kg r = 0,5 m v=2m/s