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An assembly line has a staple gun that rolls to the left at 1.1 m/s while parts to be stapled roll past it to the right at 3.8 m/s. The staple gun fires 15 staples per second.
How far apart are the staples in the finished part?
When a potential difference of 140 V is applied to the plates of a parallel-plate capacitor, plates carry a surface charge density of 27 nC/cm2. What is the spacing between the plates.
The third floor of a house is 7.00 m above street level. How much work is necessary to move a 143kg refrigerator to the third floor.
A 12.0 kg box is pulled along a horizontal surface by a force Fp at a 30° angle above the horizontal. Calculate the acceleration of the box assuming a force of magnitude 45 N is applied at the 30° angle
question1a offer an instance of one alternative renewable energy source.b write down an energy transformation equation
q1. a force vector points at an angle of 64.9 deg above the x axis. it has a y component of 276 newtons n. find out a
One liter (1000 cm ^3) of oil is spilled onto a smooth lake it the oil spreads out uniformly unit it makes an oil slick just one molecule thick with adjacent molecules just touching estimate the diameter of the oil slick
A man in search of his dog drives first 10mi northeast, then 54mi straight south, and finally 6mi in a direction 30° north of west. What are the magnitude and direction of his resultant displacement.
A 72.4-kg skier coasts up a snow-covered hill that makes an angle of 23.2 ° with the horizontal. The initial speed of the skier is 8.14 m/s. What is the magnitude of the kinetic frictional force
In a film projection apparatus it is desired to produce pictures12 feet wide on a screen 50 feet from the lens; What must be the focal length of the projection lens used
A steel wire in a piano has a length of 0.60- m and a mass of 4.5 x10-3 kg. To what tension must this wire be stretched in order that the fundamental vibration correspond to middle C (fC = 261.6 Hz on the chromatic musical scale).
q1. a rightward force of 302 n is applied to a 28.9 kg crate to accelerate it across the floor. the coefficient of
A copper wire has a 25 m-ohmic resistance at 20 degrees C. When the wire is carrying a current, What is the change in the wire's resistance
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