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Solve the following question given below:
Question: A bowling ball of mass 7.2kg and radius 10cm rolls without slipping down a lane at 2.6m/s.
Question 1: Calculate its total kinetic energy.
If possible just a brief explanation how you got the answer?
People who do chin-ups raise their chin just over a bar (the chinning bar), supporting themselves only by their arms. Find the force his arms must exert on him during the accelerating part of the chin-up
Commercial aircraft fly near 200mb where the outside temperate is -60 degrees Celsius. Calculate the temperature of the air if compressed adiabatically to the cabin pressure of 1000mb.
A spring mass system moves with ω = 10 rad/s. The oscillation starts when the mass has been pulled 0.08 m to the right of equilibrium and given an initial speed of -1.2 m/s (to the left)
You (mass 80 kilogram) and your friend (mass unknown) are in a rowboat (mass 60 kilogram) on a calm lake. Estimate what is your friend mass
Only two forces act on an object (mass = 3.30 kg), as in the drawing. (F = 79.0 N.) Find the magnitude and direction (relative to the x axis) of the acceleration of the object
Evaluate to what temperature must both be raised so that the brass ring will slide onto the rod? If one can cools the assembled system back to 20 celcius, what is teh stress in the brass ring?
Suzie (of mass 68 kg) is roller-blading down the sidewalk going 48 miles per hour. What is Suzie's average acceleration
A point particle with charge q = 86 µC is placed at a corner of a cube of edge a = 12 cm, What is the flux through each of the other cube faces
A 600-eV electron and a 300-eV electron trapped in a uniform magnetic field move in circular paths in a plane perpendicular to the magnetic field. What is the ratio of the radii of their orbits
A positive point charge Q1 = 2.8×10?5C is fixed at the origin of coordinates, and a negative charge Q2 = ?5.5×10?6C is fixed to the xaxis at x=+1.5m. Find the location of the place(s) along the x axis
You have a lens whose focal length is 5.17 cm. You place an object on the axis of the lens at a distance of 11.5 cm from it. How far is the object\'s image from the lens
Calculate the diffusion coefficient for the diffusion of carbon in gamma-iron at 1x10^3 degrees Celsius. Express your answer in the form X x 10^Y, using units of m2/s
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