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In a hydraulic lift the radii of the pistons are 1.25 cm and 10.0 cm. A vehicle weighing 16.5 kN is going to be lifted by the force of the bigger piston. What force must be applied to the smaller piston? If the small piston were to be pushed 30.0 cm how high is the vehicle lifted? Find the mechanical advantage?
Automobile windshield wipers can be used intermittently during rainfall. what determines the length of the intervals when the wiper is on and when it is off
The scalar product cannot have units. If the scalar product of two nonzero vectors is zero, then they are parallel. If the scalar product of two nonzero vectors is equal to the product of their magnitudes, then the two vectors are parallel.
Find the moment of inertia of a hoop (a thin-walled, hollow ring) with mass and radius about an axis perpendicular to the hoop's plane at an edge. Express your answer in terms of the variables M and R.
A 5.00-nF capacitor charged to 60.0 V and a 7.00-nF capacitor charged to 40.0 V are connected with the negative plate of each connected to the negative plate of the other. What is the final charge on the 7.00-nF capacitor? Would these capacitors be c..
A .65 m long pendelum is pulled back to an angle of 45 degreeswith the vertical and released from rest. Calculate the energy lost in this first swing
The Big Bang Theory suggests leftover background radiation. Find the wavelength of this radiation
rotation in the milky way as i mentioned the rotation speed of the sun around the milky way center is approximately 200
Aaron (mass 60 kg) catches his running cat (mass 5 kg) moving horizontally at 1.5 m/s. What is the speed of Aaron and his cat after the catch
On an old-fashioned rotating piano stool, a woman sits holding a pair of dumbbells at a distance of 0.555 m from the axis of rotation of the stool. What is the angular velocity of the system after the dumbbells are pulled in toward the axis
A crate of oranges weighing 194 Nrests on a flatbed truck 2.0 m from the back of the truck. The coefficients of friction between the crate and the bed areμs = 0.37 and μk =0.20. The truck drives on a straight, level highway at aconstant 8.1 m/s. Wh..
A large tank is divided into two parts by a partition. The first part contains 5 kg of refrigrtant-134a at 80oC, 900 kPa. Determine the work and heat transfer during this process
a 20-ft long non-uniform rod rest with its two ends on scales. when a 120-lb person stands at the geometric center of
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