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Two people wish to push a big beer freezer weighing 2000 N up aramp inclined at an angle of 37.0o with the horizontal. The coefficient of kinetic friction between the freezer and the ramp is 0.500. (a) What minimum force must the people exert toslide the freezer up the ramp? (b) What acceleration will thefreezer have if it is released and slides down the ramp? (c) If itslides 4.00 m down the ramp and strikes a heavy object, coming torest in 0.500 m, what average force does it exert on the heavy object?
The overall length of a piccolo is 32.0 cm. The resonating air column vibrates as in a pipe that is open at both ends. Find the frequency of the lowest note a piccolo can play
A parallel-plate capacitor has an area of 5.15 cm2, and the plates are separated by 1.05 mm with air between them. It stores a charge of 337pC. What is the potential difference across plates of the capacitor.
If gravity were switched off, the moon would move along a straight line tangent to its orbit, as described by Newton's first law. In its actual orbit in 1.00 s, how far does the moon fall below the tangent line and toward the planet
A transverse wave on a string is described by the equation y(x, t) = (2.30 cm) sin[(100 rad/s)t + (18 rad/s)x]. How fast does the wave move along the string
Suppose a block of mass M is sliding down an inclined plane which makes an angle t with the horizontal. What is the work done by friction as the block travels a distance d along the plane
How many bright fringes appear between the first diffraction envelope minima (the first diffraction minima on each side of the central diffraction maximum) for a double slit pattern if λ = 550 nm, the slit spacing is 0.15 mm and the slit width is 50 ..
An electric dipole p with magnitude 25 pC.m makes an angle of 65 ° with an electric field E of magnitude 3.0 x 10 ^ -6 N / C. How is the magnitude of the torque acting on the dipole?
An athlete executing a long jump leaves theground at a 30° angle and travels 6.80 m. If this speed were increased by just5.0%, how much longer would the jump be
The equation of a transverse wave traveling along a very long string is given by y = 6.9 sin(0.025(pi)x + 4.5(pi)t), Determine the transverse displacement
A resistor with R=300 ? and an inductor are connected in series across an ac source that has voltage amplitude 500 V. What is the power factor
a car is exiting the 105 freeway at sepulveda south at a constant speed of 40 miles per hour. the freeway ramp is a
A 20 kg child is riding a 5.4 kg bike with a velocity of 5.4 m/s to the northwest. a)What is the total momentum of the child and the bike together? Answer in units of kg · m/s b) What is the momentum of the child?
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