A runner completes a 10 km run in about 45 minutes. What was the runner's speed in km/h?

How is the surface area to volume ratio maximized in lungs?

Determine the x and y coordinates xcg and ycg of the center of gravity of the three coins described in part a.

Boxes are transported from one location to another in a warehouse by means of a conveyor belt that moves with a constant speed of 0.56 m/s. At a certain location the conveyor belt moves for 2.

A wheel of diameter 138 cm has an axle of diameter 9 cm. A force 120 N is exerted along the rim of the wheel.

How to detect an acid / base?

Voltage can exist without A. current. B. resistance. C. a closed circuit. D. all of these

During a football game, a receiver has just caught a pass and is standing still. Before he can move, a tackler, running at a velocity of 2.60 m/s, grabs and holds onto him so that they move off together with a velocity of 1.30 m/s.

What effect does an increase in temperature have on viscosity?

Aman tosses a jart upward with a velocity of 14.1 m/s a 60° angle

Describe accuracy, precision and best fit line.