A racecar is traveling at a speed of 80.0 m/s on a circular racetrack of radius 450 m. What is the centripetal force on the
racecar if its mass is 500 kg?

Which boundary is associated with the building of the himalaya mountains? convergent transform divergent hot spot

Unpolarized light falls on two polarizer sheets whose transmission axes are at right angles. a third polarizer is placed between the first two so that its axis makes a 52-degree angle with the axis of the first polarizer. a) what fraction of the incident light intensity is transmitted through the first polaroid? b) what fraction of the incident light intensity is transmitted through the second polaroid? c) what is the angle of polarization of the light that enters the third polaroid? d) what fraction of the incident light intensity is transmitted through the third polaroid. e) what happens if the middle polaroid is removed?

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system