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Solve the all parts of given question:
Question: Running on a treadmill is slightly easier than running outside because there is no drag force to work against. Suppose a 60 kg runner completes a 5.0 km race in 16minutes.
Part A: Determine the drag force on the runner during the race. Suppose that the cross section area of the runner is 0.72 m2 and the density of air is 1.2 kg/m3.
Part B: What is this force as a fraction of the runner's weight?
Do not copy and paste from Google, explain your answer clearly.
a proton starting from rest travels through a potential of 1.0 kv and then moves into a uniform 0.040-t magnetic field.
An object, 0.75 cm tall, is placed 12.0 cm to the left of a diverging lens (f = -8.00 cm). A converging lens is placed 8.00 cm to the right of the diverging lens. The final image is virtual and is 30 cm to the left of the diverging lens.
Suppose you have a spherical balloon filled with air at room temperature and 1.0 atm pressure; its radius is 18cm. what's the balloon's new radius
A basketball can be modeled as a thin walled spherical shell with a mass of 0.600 kg and a radius of 12.0 cm. What is the rotational kinetic energy of the ball
You are tasked with putting together the schedule for a new subway line. How much time should you budget for the travel of a train between two stations that are 2.33 miles apart
a fuse in an electric circuit is a wire that is designed to melt and thereby open the circuit if the current exceeds a
A person is riding a bicycle, and its wheels have an angular velocity of 22.7 rad/s. What is the anguar acceleration (in rad/s2) of each wheel
A charge of -1.0 µC is located at the origin, a second charge of 3.4 µC is located at x = 0, y = 0.1 m, and a third charge of 5 µC is located at x = 0.2 m, y = 0. Find the forces that act on each of the three charges. q = -1.0 µC
A 1.6 kilogram cylinder (radius = 0.10 meter and length = 0.50 meter) is released from rest at the top of a ramp and allowed to roll without slipping. Calculate what is its translational kinetic energy
Assume the near point of the eye is 25cm. Thedistance between the eyepiece and objective lens in a certaincompound microscope is l =11.3 cm. What is the overall magnificationof the microscope
You are designing a hydraulic lift for an automobile garage. It will consist of two oil-filled cylindrical pipes of different diameters. What should be the diameter of the pipe under the platform
The flywheel of a steam engine runs with a constantangular speed of 156 rev/min. What is the constant angular acceleration of the wheel, inrev/min2
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