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The output piston of a hydraulic press has a cross-sectional area of 0.24 m2.
a) Find how much pressure on the input piston is required for the press to generate a force of 1.3 × 106 Newton?
b) Find what force is applied to the input piston if it has a diameter of 4.6 centimeter?
the earth rotates on its axis once every 24 hours and circles the sun once every 364.25 days. using si units m kg s
A charge of q = +7.50 µC is located in an electric field. The x and y components of the electric field are Ex = 4.80 103 N/C and Ey = 7.40 103 N/C, respectively. (a) What is the magnitude of the force on the charge? (b) Determine the angle that th..
High Speed stroboscopic photographs show that the head of a200 g golf club is traveling at 55 m/s just before it strikes a46g golf ball at rest on a tee. Find the speed of the golf ball just after impact
A 30 kg boy rides a roller coaster. The acceleration of gravity is 9.8 m/s^2. With what force does he press against the seat when the car moving at 6.1 m/s goes over a crest
A current I = 13.0 A flows through a strip of metal of width 4.0 cm, What is the drift velocity of the carriers in the strip
The mass of a star is 1.49 x 1031 kilogram and it performs one rotation in 38.7 days. Determine the force exerted on your fingertip
The surface tension of water is 0.0730 N/m. What is the height of the water in a capillary tube of diameter 1.00 mm
A dolphin locatedin sea water at a temperature of 25°C emits a sound directedtoward the bottom of the ocean 200 mbelow. How much time passes before it hears an echo
If 4.25e-4 Joule of work is required to move 12.2e-6 C of charge from one point to another, compute the electric potential difference between two points
Somewhere between the Earth and the moon, gravity from these two bodies on the space pod would cancel. Is this location nearer the Earth, the moon, or in the middle (having the same distance between) of the earth and the moon.
Sodium ions (Na+) move at 0.860 m/s through a bloodstream in the arm of a person standing near a large magnet. what would be the magnetic force on the arm
A block is hung by a string from the inside roof of a car. When the car goes straight ahead at a speed of 34 m/s, the block hangs vertically down. Find angle θ that the string makes with the vertical
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