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A luggage conveyor belt is inclined at at an angle 15.6 degrees and has length 350m . The belt moves at a speed of 12.2km/h and provides power for 45 crates at a time, with an average mass per crate of 71.0 kg
Estimate the power required to operate the luggage conveyor, neglecting the mass of the belt and any friction.
A 0.43-kg metal sphere oscillates at the end of a vertical spring. As the spring stretches from 0.12 m to 0.23 m, What is the spring constant of the spring
The period of oscillation of an object in a frictionless tunnel running through the Earth is 84.3 min. What is the time of oscillation of an object in a similar tunnel on the Moon.
The amass of the aluminum cylinder is (207.8±0.1)g. Once the cylinder is turned through the numbers of turns as described in Problem 1, Determine the amount of heat that entered the cylinder
A television set connected to a 121 V outlet consumes 88 W of power. How long does it take for 10 million electrons to pass through the television.
The radius of the Earth's orbit is 1.50 multiply.gif 1011 m and that of Mercury is 5.81 multiply.gif 1010 m. What is the orbital period of this planet
A non-isotropic two-dimensional solid has a coefficient of linear expansion alone one axis equation to A and along a perpendicular axis equation to B
A small rope has a linear mass density of 8.00 g/m and is tied to two vertical walls that are separated by three fourths the length of the rope, Find an expression for the speed of a wave on the rope as a function of m
A town is installing a new 10” main to carry drinking water. The only section remaining to be installed is a segment through the middle of town. Calculate the length of pipe required for the pipe system.
A freezer has a coefficient of performance of 2.40. The freezer is to convert 1.98kg of water at 26.0 oC to 1.98kg of ice at -5.00 oC in 1 hour. How much electrical energy is consumed by the freezer during this hour
A coin placed on a turntable rotating at 34.1 rev/min will stay there if its center is placed no further than 10.0 cm from the axis of rotation, What is the coefficient of friction between the coin and turntable
An airplane flies horizontally with speed 1000km/h(280m/s) an engine falls it takes 30s to gets to the ground. neglect air resistance elucidate the airplane is 4.5km high?.
A 230-N child is in a swing that is attached to ropes 1.90m long. Find out the gravitational potential energy associated with child relative to her lowest position at the following times.
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