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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?
A step-down transformer is used for recharging the batteries of portable devices. determine the rms output voltage of the transformer
Physics - Classical Mechanics : explained, A student could either pull or push, at an angle of 300 from the horizontal, a 50-kg crate on a horizontal surface, where the coefficient of kinetic friction between the crate and surface is 0.20. The cra..
Two circular loops are centered on the x-axis parallel to the yz-plane. The smaller loop is stationary with radius r=0.01m, and resistance R=0.003Ohms. The larger loop has radius, s=0.1m, carries current I=1.5A, and moves towards the smaller loop ..
A house painter stands 3 m above the ground on a 4.9-m-long ladder that leans against the wall at a point 4.7 m above the ground. find the force of friction that the driveway exerts on the bottom of the ladder
A physical pendulum is made by drilling a hole through a uniform wooden disk of radius R a distance (alpha)*R from the disk's center. What must alpha be to miniumze the disk's period of oscillation
an object initially at rest moves a distance x when a force f is applied for time t. how far will the object move of a
The emissivity of her skin is 0.750 and its surface area is 1.30 m2. How much time would it take for her to emit a net radiant energy from her body that is equal to energy contained in this dessert.
suppose that the coefficient of friction between your feet and the floor while wearing socks is 0.250. knowing this you
Ethyl alcohol flows through a horizontal tube of diameter 3.00 cm that is joined to a second horizontal tube of diameter 1.62 cm. What is the speed of flow in the first tube
In a certain RL time constant circuit, it takes 135 msec for the current to reach maximum after the switch is closed.
Analyse the instantaneous velocity of the car
A 1.70 kg block is released from rest and allowed to slide down a frictionless surface and into a spring. The far end of the spring is attached to a wall.
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