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A sled weighing 59.0 N is pulled horizontally across snow so that the coefficient of kinetic friction among sled and snow is 0.100. A penguin weighing 71.0 N rides on the sled, as in the figure below. If the coefficient of static friction among penguin and sled is 0.700, discover the maximum horizontal force that can be exerted on the sled before the penguin begins to slide off.
hat is the magnitude of the total flux through the five non-shaded faces.
The velocity vs. time curve of an object is an increasing straight line. You observe when the time is 1 second that the velocity is equal to 3 m/s, What is the acceleration of the object
The current through a 686 ? resistor is 190 mA. To the nearest volt, what is the potential difference across the resistor
A fiber optic audio system consists of an input, a playback head that has a transfer function of .7, an amplifier with a gain of 6 and a speaker system with a transfer function of .4. Evaluate the output for an input of 0.08V
the area of a typical eardrum is about 5.00 x 10-5 m2. a calculate the average sound power incident on an eardrum at
A 41 g puck moving at 2.00 m/s hits a stationary 88 g puck and they under go an elastic collision. What is the angle between their velocities
A plastic block of dimensions 2.5 cm x 3.8 cm x 4.0 cm has a mass of 28.0 g. What is the density of the block? If placed into a cup of water, will the block float or sink
A 81.0-kg daredevil exhibitionist hangs on to the end of a long bungee cord attached to the railing of the Brooklyn Bridge and oscillates vertically, What is the frequency of oscillation
q1. a crate with mass 35.5 initially at rest on a warehouse floor is acted on by a net horizontal force of 120. what
consider two spheres with two masses and two charges. at a distance of 119.0 m the ratio of the electric force to the
A coffee filter of mass 1.5 grams dropped from a height of 1 m reaches the ground with a speed of 0.7 m/s. How much kinetic energy Kair did the air molecules gain from the falling coffee filter.
A 560N force is pulling a 105.0kg crate across a horizontal floor. The force acts at an angle of 34.0o above the floor. find the work done by the pulling force
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