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The graph shows the net external force component Fcos along the displacement as a function ofthe magnitude s of the displacement. The graph applies toa 59.4-kg ice skater. How much work does the net force component doon the skater from (a) 0 to 3.00 m and (b) 3.00 m to 6.00 m? (c) If the initial speed of the skater is 2.19 m/s when s = 0 m,then what is the speed when s = 6.00 m?
Block one of mass 10kg is on a horizontal table. There is friction between the block and the table, the coefficient of kinetic friction is 0.25. Find the tension in the string and the acceleration
A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 25 m/s, the block hangs vertically down. But when the van maintains this same speed around an unbanked curve (radius = 155 m), the block swings ..
q1. assume acceleration is constant during each time interval but not necessarily the same in both intervals what
A particle moves horizontally in uniform circular motion, over ahorizontal xy plane. What are thecoordinates of the center of the circular path
the position of a particle moving with constant acceleration is given by xt 3t2 7t 4 where x is in meters and t is
If a person eats a popsicle of mass 0.045 kg and temperature -10 C, then how much energy does this person use
A man enters a tall tower, needing to know its height. How tall is the tower
question in a diesel engine the piston compresses air at 309 k to a volume that is 0.0621 of the original volume and a
Consider a hollow spherical conductor with total charge +5e. The outer and inner radii are a and b, respectively. (a) Calculate the charge on the sphere's inner and outer surfaces if a charge of -3e is placed at the center of the sphere. (Use the ..
An air mass has a temperature of 68F and 970hPa with a mixing ratio of 5 g/kg. Without any condensation or mixing the air mass now has a temperature of 50F and a pressure of 750hPa. Find the initial and final values of a) r, b) T(dew), and c) vapor p..
"A battleship moves away from the coast, where there is a high cliff. When it's 680m away from the coast it shoots a gun, Calculate the constant speed Battleship
tell me how you expect the intensity of light to vary as you move away from the light. tell me why you think this is
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