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An 8.70 kg block slides with an inital speed of 1.56 m/s down the ramp at an angle of 28.4 with the horizontal. The coefficient of kinetic friction between the block and the ramp is 0.62. Use energy conservation to find the distance the block slides before coming to a rest.
In a different car, the distance the dummy moves while being stopped is reduced from 0.750 m to 0.270 m, calculate the average force on the dummy as that car stops
a. questions for weekly discussions and conversations not part of the required discussion board assignmentthese
The speed of oxygenated blood in the artery of a healthy person is measured to be 0.12 m/s. by what percent has the artery area been blocked by plaque
mall candle is 37cm from a concave mirror having a radius of curvature of 22cm. What is the focal length of the mirror? Follow the sign conventions
What is the maximum number of lines per centimeter a diffraction grating can have and produce a complete first-order spectrum for visible light
A spring oscillator is designed with a mass of 0.144 kg. It operates while immersed in a damping fluid, selected so that the oscillation amplitude will decrease to 1.00% of its initial value in 6.90 s. Find the required damping constant for the syste..
A skier of mass 65.0 kg is racing down a giant slolam course. She starts at the top of the top of the course at rest. Over the course of her run, Calculate the force of kinetic friction over her run
A bag of cement of weight 375 N hangs from three wires as suggested in Figure P5.18. Two of the wires make angles θ1 = 55.0° and θ2 = 25.0° with the horizontal. If the system is in equilibrium, find out the tensions in the wires.
A cyclotron (see figure below) designed to accelerate protons has an outer radius of 0.333 m. Find the speed at which protons exit the cyclotron
A net force of 19 newtons is applied horizontally to a 10. kilogram block resting on a table. What is the magnitude of the acceleration of the block
Electromagnetic waves of wavelength 0.178 fall on a crystal surface. What is the distance between the crystal planes
Then, a thin conducting wire connects the spheres, redistributing the charge on each sphere. When the wire is removed the spheres still repel but with a force of F2 = 0.100 N. Using this information, find the initial charge on each sphere, q1 and ..
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