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A wheel (radius 0.6 m) is rolling on a horizontal surface with a center of mass acceleration of 0.7 m/s2. If the force applied to the center of the wheel is 34.551 N and the wheel has a mass of 3.327 kg, what is the friction force acting between the wheel and the surface?
During this experiment the first step in the procedure was the measurement of the string's mass and total lenght, Calculate lthe linear mass density of the string in g/cm
A white billiard ball with mass mw = 1.3 kg is moving directly to the right with a speed of v = 3.42 m/s and collides elastically with a black billiard ball with the same mass mb = 1.3 kg, What is the final speed of the white ball
A gray kangaroo can bound across a flat stretch of ground with each jump carrying it 11 from the takeoff point. If the kangaroo leaves the ground at a 21 angle, what is its takeoff speed
A very thin sheet of glass (n = 1.5) floats on the surface of water (n = 1.33). What is the thickness of the glass
On a hot summer day a young girl swings on a rope above the local swimming hole. how high above the water was she when she let go of the rope
The fundamental frequency of an open organ pipe corresponds to the middle C (261.6 Hz on the chromatic musical scale). The third resonance of a closed organ pipe has the same frequency. (Assume that the speed of sound in air is 343 m/s.) What is the ..
A 11.2 kg block of metal measuring 4 cm x 2 cm x 3 cm is suspended by a spring scale and submerged in water. What is the reading on the scale
Calculate the electric field at the center of a square 53.7 cm on a side if one corner is occupied by a +38.5 µC charge and the other three are occupied by -29.4 µC charges.
A positively charged oil drop of mass is injected into a region of uniform electric field between two oppositely charged, horizontally oriented plates spaced 16 cm apart. what is the magnitude of the charge on the drop
A 1,200 kg car going 25 m/s is brought to stop using its brakes. Let's assume that a total of approximately 20 kg of iron in the brakes, What was the car's original kinetic energy
Jim paddles a canoe across a river that is 20 meters wide in 2.0 minutes. Uopon reaching the other side, he realizes that the river carried him 12 meters east of his starting point. If the water flowed towards the east with consant velocity and his c..
A 32cm string being held at a tension of 64.5N has a fundamental frequency of 440Hz. What are the second and third harmonics of the string
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