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You're using a rope to pull a sled at constant velocity across level snow,with coefficient of kinetic friction 0.050 between sled and the snow. The sled is loaded with physics books, giving a total mass of 21kg. With what force should you pull with the rope horizontal?
Next, what would it be if the rope is at 30 degrees above horizontal?
An object is placed 12.2 cm to the left of a diverging lens of focal length -5.10 cm. Find the distance d that places the final image at infinity
A certain quantity of steam has a temperature of 100.0 oC. To convert this steam into ice at 0.0 oC, what would be the linear speed of the ice
A ball is thrown so that its initial vertical and horizontal components of velocity are 50 m/s and 15 m/s, Estimate the maximum height the ball reaches
question1two plates detached by a distance 16.8 mm are charged to a potential dissimilarity of 7.25 volts. a constant
A 4100-kg truck traveling with a velocity of 13 m/s due north collides head-on with a 1300-kg car traveling with a velocity of30 m/s due south. What is the momentum of each vehicle prior to the collision
An athlete swings a ball, connected to the end of a chain, in a horizontal circle. find Which rate of rotation gives the greater speed for the ball
A father (m = 70 kg) and son (m = 45 kg) are standing facing each other on a frozen pond. The son pushes on the father and finds himself moving backward at 3 m/s after they have separated. How fast will the father be moving.
A Gaussian surface has thirty field lines leaving it when it surrounds a point charge of +10.0 and fifty-five field lines entering it when it surrounds an unknown point charge
The "power cube" transformer for a portable CD player has an output of 4.5 V and 550 mA (both rms) when plugged into a 120 V/60 Hz outlet. What is the peak current in the primary coil
A galvanometer has an internal resistance of 30?and deflects full scale for a 60??A current, What is the magnitude of this resistor
A -3.07 ?C charge is placed at the center of a conducting spherical shell, and a total charge of +6.70 ?C is placed on the shell itself. Calculate the total charge on the outer surface of the conductor.
The intensity of sunlight striking Earth's upper atmosphere (called the solar constant) is 1.35 kW/m2. Find the radiation pressure at the surface of the sun
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