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A ski tow operates on a 15.0o slope of length 300 meter. The rope moves at 12.0 km/h and provides power for 50 riders at one time, with an average mass per rider of 70.0 kilogram. Find the power required in horsepower to operate the tow. Frictionless surface on the hill.
The radius of curvature of a convex mirror is 1.60 x 10^2 cm. An object that is 14.0 cm high is placed 40.0 cm in front of this mirror. Find out (1) the location and (2) the height of the image.
A gold prospector finds a solid rock that is composed solely of quartz and gold. The mass and volume of the rock are, respectively, 13.1 kg and 3.76 10-3 m3. Find the mass of the gold in the rock
A cylindrical container with a cross-sectional area of 66.2 holds a fluid of density 816 kg/m3, and bottom of the container the pressure is 118 kPa. What is the depth of fluid.
Calculate the change in internal energy for each of the following systems: 100 joules of energy is added to a system that does 40 joules of external work
W hat are underwater angles of refraction
Your roommate is working on his bicycle and has the bike upside down. He spins the 70.0cm -diameter wheel, What is the speed and acceleration of the pebble
Assume the orbital of a lunched satellite around the earth is circular. Show that there is only one speed that a satellite can have if the satellite is to remain in an orbit with a fixed radius and it does not depend on the mass of the satellite.
A box of mass 6.0 kilogram is accelerated from rest across a floor at a rate of 6.0 m/s2 for 4.0 second. Determine the net work done on the box
in other cases there is a clear break between the rainbow orders. the spacing of ruled lines on a diffraction grating
a man with mass m1 61 kg stands at the left end of a uniform boat with mass m2 168 kg and a length l 2.6 m. let the
You have a 210-? resistor and a 0.360-H inductor. Suppose you take the resistor and inductor and make a series circuit with a voltage source that has a voltage amplitude of 30.0V, What is the voltage amplitude across the inductor
a 43-year - old mother of three comes to a physicians office with suspected breast cancer. because she is located in a
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