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Assume the coefficient of static friction between the road and the tires on a car is 0.60 and the car has no negative lift. Find what speed will put the car on the verge of sliding as it rounds a level curve of 30.5 meter radius?
The graphite in a pencil has a resistivity of7.84×10−6 W×m.The graphite's diameter is 0.700 mm and its length is40.0 mm. (a) Find the resistance of this graphite "wire."
A 100 kg shot-putter pushes a forward and upward force on a 4 kg shot with a force of 1000N, Calculate the vertical and horizontal components of this resultant force
A husband and wife take turns pulling their child in a wagon along a horizontal sidewalk. Each exerts a constant force and pulls the wagon through the same displacement. They do the same amount of work, but the husband's pulling force is directed ..
a man bring to work a 5.7kg box of decorations. Being lazy and tired, when he reaches the ramp outsideof his office, he attaches a (massless) rope to the box and drags it up the incline. how long does it take the box to stop
An emf of 32 V is applied to a coil with an inductance of 34 mH and a resistance of 0.20 ?. How long does it take for the current to reach this value
A step-down transformer has 2000 turns on the primary and 300 turns on the secondary, what is the secondary voltage amplitude
A positive image distance means that image is formed on the side of the lens from which the light emerges.
In a college parking lot, the number of ordinary cars is larger than the number of sport utility vehicles by 85.7%, Find the number of SUVs in the lot
A lightbulb has a resistance of 260 when operating witha potential difference of 130 V. What is the current in the light bulb
A spring is first stretched 2.0 cm from its unstressed length. Itis then stretched an additional 2.1 cm. How does the work required forthe second stretch compare to the work required for the firststretch (give a ratio of second to first)? (Be sure yo..
A bowling ball made for a child has two thirds the radius of an adult bowling ball. By what factor is the mass of the child's ball reduced compared with the adult ball
A uniform thin rod of length 0.65 m and mass 4.5 kg can rotate in a horizontal plane about a vertical axis through its center. what is the magnitude of the bullet's velocity just before impact
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