Hey girl skateboards with the kinetic energy of 2543. to j if the girl in the skateboard have a total mass of 110 kg what is her speed

Four objects are being tested to see how they are affected by fluid friction. object w has a surface area of 4.5 cm2, object x has a surface area of 2.5 cm2, object y has a surface area of 6.2 cm2, and object z has a surface area of 3 cm2. which object would experience the most fluid friction?

1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?