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The force required to pull the cork out of the top of a wine bottle is in the range of 150 to 400N What range of forces F is required to open a wine bottle with the bottle opener shown in(Figure) ? Express your answers using two significant figures separated by a comma.
You push a 67kg box across a floor where the coefficient of kinetic friction is µk = 0.55. The force you exert is horizontal. How much work do you do if you push the box for 30s
two billiard balls of equal mass undergo a perfectly elastic head-on collision.if one balls initial speed was 1.80ms
A 46.0-kg child takes a ride on a Ferris wheel that rotates four times each minute and has a diameter of 20.0 m. What is the centripetal acceleration of the child
A freight train has a mass of 2 multiplied by 107-kg. If the locomotive can exert a constant pull of 12.50 multiplied by 105-N, how long would it take to enhancement the speed of the train from rest to 85.00 km/h.
suppose after charging a 14.4 microf capacitor to 15 v you connect it to another already charged capacitor of 7 microf
What is the magnitude of a point charge that would create an electric field of 5.00 N/C at points 4.60 m away
A set of crash tests consists of running a test car moving at a speed of 11.8 m/s (26.4 mi/hr) into a solid wall. Calculate the size of the average force which acts on the dummy during that time
you are designing a sensor to detect biological pathogens in drinking water. your sensor is based on a cantilever which
A capacitor has parallel metal plates of dimensions 12 cm *24 cm seperated by an air gap of .750 mm. find how much energy is stored in the capacitor
An object of mass 6.8 kg is attached to a spring of force constant 1720 N/m. The object is set into simple harmonic motion, with an initial velocity of vo=4.1m/s and an initial displacement of xo=0.11m. Compute the maximum velocity the object has dur..
A standing observer perceives a train whistle to have a frequency of 300 Hz. compute the frequency of the sound waves emitted from the train
In a 4 times 100 meter relay race ,you try to take over the baton from a previous runner on your team. How far beyond the point at which you passed your teammate will he catch up with you
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