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You push your physics book 1.70 m along a horizontal tabletop with a horizontal push of 2.60 N while the opposing force of friction 0.750 N. How much work does your 2.60 N push do on the book? How much work does the friction force do on the book? How much work does the normal force do on the book? How much work does gravity do on the book? What is the net work done on the book?
A train is moving parallel and adjacent to a highway with a constant speed of 23 m/s. Initially a car is 57 m behind the train, What is the speed of the car just as it passes the train
A 6 cm diameter conducting loop with resistance of 10m\Omega is placed perpindicular to a variable magnetic field B. Determine the current and its direction induced in the loop
A wheelchair athlete is training on a stationary ergometer. Her wheel's angular velocity is 3 rev/s and diameter is 80.0 cm. What is the linear velocity at the wheel's circumference
What is the velocity of the boat when it reaches the buoy.
A 115-V source of emf is attached to a heating element with is a coil of nichrome wire (r=100*10^-8) of cross section 1.20 mm^2. What must be the length of the wire
2 protons, each with charge q=1.602E-19 C, are fixed in space. They form a spherical nucleus with diameter 1E-15 m. Find electric potential energy for the electron in orbit
A toy train is pushed forward and released at with a speed of 2.0 m/s. It rolls at a steady speed for 2.0 s, What is the magnitude of the train's acceleration after its wheel begins to stick
A 1.8 book is lying on a 0.70 -high table. You pick it up and place it on a bookshelf 2.3 above the floor. How much work does gravity do on the book
A diver springs upward with an initial speed of 7 m/s from a diving board that is 2 m above the water. Find the total time the diver is airborne
The log has a mass of m = 919 kg; the truck has a mass of M = 8550 kg. According to the truck manufacturer, Calculate the minimum coefficient of static friction
a piano note is compared to a tuning fork vibrating at 440 Hz. Four beats per second are discerned by the piano tuner. What was the initial frequency of the piano wire
The second harmonic sinusoidal standing wave in a pipe with both ends open has a wavelength of 2.00 m. The sound speed is 340 m/s How many nodes and anti-nodes are there in the displacement wave? How many nodes are there in the pressure wave? Draw..
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