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Ricardo, mass 80 kilogram, and Carmelita, who is lighter, are enjoying Lake Merced at dusk in a 30 kilogram canoe. When the canoe is at rest in the placid water, they exchange seats, which are 3.0 meter apart and symmetrically placed with respect to the canoe's center. Ricardo notices that the canoe moved 50 centimeter relative to a submerged log during the exchange and determine Carmelita mass, which she has not told him. What is it?
A race car accelerates uniformly as it leaves the pit area, going from rest to 305 km/h in a semicircular arc with a radius of 192 meter. Evaluate the tangential acceleration of the car when it is halfway through the turn, assuming constant tangenti..
In the figure below, a slide loving pig slides down a certain 32° slide in twice the time it would take to slide down a frictionless 32° slide. What is the coefficient of kinetic friction between the pig and the slide
A river 101.8 m wide flows toward the south at 31.0 m/min. A girl on the west bank wishes to reach the east bank in the least possible time. What is her velocity relative to land
if you create a graph and label the x axisacceleration and the y axis force with a linear graph positive and to the
A 430 gram rock is whirled on the end of a string 45 cm long which will break under a tension of 22 N. What is the radius of the circle of motion
A 2.1 kg block of wood rests on a long tabletop. A 22.7 g bullet moving horizontally with a speed of 168 m/s is shot into the block and sticks in it. obtain magnitude of frictional force between block and table
A 45.5-g golf ball is driven from the tee with an initial speed of 47.3 m/s and rises to a height of 30.4 m. evaluate the kinetic energy of the ball at its highest point
a net force along the x-axis that has x-component fx -12.0n 0.300nm2x2 is applied to a 5.00 kg object that is
The average speed of a nitrogen molecule in air is about 6.70 e2m/s, and its mass is about 4.68e-26 kilogram. Find what average force does the molecule exert on the wall
A narrow flat coil wound on a square frame has 120 turns and sides of 21.5 cm. What is the maximum torque that can be exerted by the field on the coil
A light beam is incident on heavy flint glass (n = 1.62) at the polarizing angle. Calculate the angle of refraction for the transmitted ray
A car traveling at 18 {rm m/s} runs out of gas while traveling up a 24.0^circ slope. How far up the hill will it coast before starting to roll back down.
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