Asmall artery has a length of 1.10 × 10 − 3 m and a radius of 2.50 × 10 − 5 m. if the pressure drop across the artery is 1.45 kpa, what is the flow rate through the artery? assume that the temperature is 37 °c and the viscosity of whole blood is 2.084 × 10 − 3 pa·s.

The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot

The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?

Steelhead trout migrate up stream to spawn. occasionally they need to leap up small waterfalls to continue their journey. fortunately, steelhead are remarkable jumpers, capable of leaving the water at a speed of 8.0 m/s. a. what is the maximum height a steelhead trout can jump? b. leaving the water at 8.0 m/s, the trout lands on top of the water fall 1.8 m high. how long was it in the air?