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Question: A woman rides a bicycle for 1 hour and travels 15 kilometers. Find the angular velocity of the wheel if the radius is 30 centimeters. (Round your answer to the nearest hundredth.)
A force gives a 100-kg mass an acceleration of 2 m/s2. If the same force acts on a mass of 1000 kg, what acceleration does it produce
A 48 kg bear slides, from rest, 9.7 m down a lodgepole pine tree, moving with a speed of 5.8 m/s just before hitting the ground. find the average frictional force that acts on the sliding bear
Consider a gas of photons in a cavity with a single photon mode at finite temperature τ. Show that the entropy of the gas can be expressed in terms of the average photon number as
A hunter who is a bit of a braggart claims that, from a distance of 1.5 km, he can selectively shoot either of two squirrels who are sitting 14 cm apart on the same branch of a tree. Determine the diameter of the pupils of his eyes
a helicopter starting from rest accelerates straight up from the roof of a hospital. the lifting force does work in
instructions read the problems carefully and answer all the questions in each problem. you are allowed to use three a4
A rotating water pump works by taking water in at one side of the rotating wheel, and expelling it from the other side. If a pump with a radius of 0.120m starts from rest and accelerates at 30.50 rad/s2.
Two 2.50-cm-diameter disks spaced 2.00mmapart form a parallel-plate capacitor. The electric field between the disks is 4.60×105V/m. What is the voltage across the capacitor
A lens with a focal length of 25 is placed 40 in front of a lens with a focal length of 5.0. How far from the second lens is the final image of an object infinitely far from the first lens? Is the image in part a in front of or behind the second l..
a persons lens prescription for glasses is 3 d. if the glasses sit 1.9 cm from the eye what is that persons near
Illustrate what are the nominal and effective interest rates? Also determine the effective interest rate that a typical credit card issuer charges today.
question suppose you are stopped for a traffic light and a ambulance approaches you from behind with a speed of 18 ms.
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