The peak force on a runner’s foot during a race is found to be vertical and three times his weight. What is the peak force on the foot of a runner whose mass is 85.0 kg? If the peak force is upward, enter a positive value. If the peak force is downward, enter a negative value.

Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?

If the radius of curvature of the cornea is 0.75 cm when the eye is focusing on an object 36.0 cm from the cornea vertex and the indexes of refraction are as described before, what is the distance from the cornea vertex to the retina? express your answer to two significant

Current from a charged capacitor lights a bulb. as time goes on the brightness of the