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A 54.0 kg ice skater is gliding along the ice, heading due north at 4.10 m/s . The ice has a small coefficient of static friction, to prevent the skater from slipping sideways, but Uk = 0. Suddenly, a wind from the northeast exerts a force of 3.70 N on the skater.
a.) Use work and energy to find the skater's speed after gliding 100 m in this wind.
b.) What is the minimum value of Ug that allows her to continue moving straight north?
An equilateral triangle has sides of lengthL. Charges of +Q,-2Q,and +3Q are placed at the vertices. Find the electric field midway between the two positive charges
A skier is accelerating down a 30 degree hill at 3.60 m/s^2. How long would it take her to reach the bottom of the hill, assume she starts from rest and accelerates uniformly, if elevation change is 170m.
A 1500kg weather rocket accelerates upward at 10m/s2. It explodes 1.9s after liftoff and breaks into two fragments, What was the speed of the heavier fragment just after the explosion
As a baseball is being caught, its speed goes from 25 to 0 m/s in 0.007 seconds. What is the force acting on the ball
A 12.0-kg cylinder rolls without slipping on a rough surface. At an instant when its center of gravity has a speed of 12.2 m/s, determine the rotational kinetic energy about its center of gravity
Electric charge Q has been spread uniformly over a circular arc of radius R and central angle 40 degrees. What is the potential at point P, center of curvature of the arc.
A 60.0 g mass is attached to the bottom of a vertical spring and set vibrating. Find the frequency of oscillation
A beam of neutral hydrogen atoms with a speed of 104 m/s along the x-axis enters a 1 m long region, compute The acceleration of the atoms while in the magnetic field region
What do the solutions manual abbreviations mean, 1P 1MCQ 1CQ? How can we locate the question the answers pertain to? There are no basic faqs on how to use the study guide anywhere. Please help, I have homework to do without searching a retarded si..
A heat pump has a coefficient of performance of 3.90, How much energy does it deliver into a home during 12 h of continuous operation
Two objects attract each other gravitationally with a force of 2.5 x10-10 N while they are 0.33 m apart. Their total mass is 4-kg. Find out their individual masses.
A person wearing a safety belt can withstand an acceleration of -3.0 x 10^2 m/s2. How thick must barriers be to safely stop a car that hits a barrier at 112 km/h.
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