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In a machine shop,a hydraulic lift is used to raise heavy equipment forrepairs. The system has a small piston with a cross-sectionalarea of 0.042m2and a large piston with a cross-sectional areaof 0.191 m2. An engine weighing 3400 N rests on the largepiston. What force must be applied to the small piston inorder to lift the engine in units of N?
If the engine rises0.184 m, how far does the smaller piston move in units of m?
A playground is on the flat roof of a city school,6.00m above the street below. The vertical wall of the building is7.00m high, Find the speed at which the ball was launched
A brick has a mass of 1.10 kg. What is the brick's weight at the surface of the Earth? A bucket of water weighs 48.2 N. What is the mass of the bucket and water?
A steel (Young's modulus 2.0 x 1011 N/m2) wire is strung between two supports attached to a ceiling. What is the radius of the wire
A simple pendulum with a period T = 2.00 s is attached to the ceiling of an elevator which is initially at rest, Calculate the period of oscillations when the elevator accelerates downwards
The partial pressure of CO2, in the expired air is 25 mm Hg and in the alveolar air it is 39 mm Hg. For an expired volume of 550ml, calculate the dead space volume
A car initially traveling at speed 60 mi/h on a horizontal road comes to rest over a distance of 40 meters after the brakes are applied, What is the mass of the car
consider a negative charge located between two charged plates of a capacitor. which plate is the plate of high electric potential
A copper ball with a radius of 1.7cm is heated until its diameter has increased by 0.19mm a)Assuming an initial temperature of 22 degrees celsius, find the final temperature of the ball.
A long coaxial cable length of L consists of a cylindrical metal sheath of radioys b surrounding a solid conducting wire with radious a. defining voltage to be zero at infinity
The moment the other student passes you, you start accelerating at 2.67 m/s2, After what distance will you catch up with your classmate
An infinitely long line of charge has a linear charge density of 8.00×10-12 C/m. A proton is at distance 16-cm from the line and is moving directly toward the line with speed 1200 m/s.
Estimate the terminal speed of a wooden sphere (density 0.810 g/cm3) falling through air, if its radius is 8.00 cm and its drag coefficient is 0.500. (The density of air is 1.20 kg/m3.)
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