a 0.05 kg tennis ball moves at a velocity of 11.5 m/s . What is the kinetic energy of the ball?a 0.05 kg tennis ball moves at a velocity of 11.5 m/s . What is the kinetic energy of the ball?

What makes thermal imaging cameras useful? they can detect differences in color. they can detect differences in wave speeds. they can detect differences in temperature. they can detect mechanical waves.

In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?

How can you increase the strength of an electromagnet?