Strength of electromagnets

a volume of helium occupies 11.0 L at a pressure of a 98.0 kPa what is the new volume if the pressure drops to 86.2 kpa

When performing a Phase 4 workout, how many repetitions per resistance training exercise should be performed?

A 0.150-kg ball traveling horizontally on a frictionless surface approaches a very massive stone at 20.0 m/s perpendicular to wall and rebounds with 70.0% of its initial kinetic energy. What is the magnitude of the change in momentum of the stone?

An airplane on a runway accelerates at 4.0 meters/second2 for 28.0 seconds before takeoff. How far does the plane travel on the runway before takeoff?

Explain the difference between a fluorescence emission spectrum and a fluorescence excitation spectrum. which more closely resembles an absorption spectrum?

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