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A block of wood is compressed 2.4nm when inward forces of magnitude 128N are applied to it on two opposite sides. what is the effective spring constant of the block
Tony pulls his cousin Ann in a sled on an icy surface (no friction) with a force of 60N at an angle of 60 degrees upward from the horizontal
A stone is dropped at t = 0. A second stone, with 2 times the mass of the first, How fast is the center of mass of the two-stone system moving
If an inductor carrying a 1.40 A current stores an energy of 0.250 mJ, How much energy does the same inductor store if it carries a 2.9 A current
The water molecule H2O, with a permanent dipole moment of magnitude of 6.2x10^-30 Cm, What force does the ion exert on the water molecule
Two small charges with a mass of 1.0 g each are connected by a 2.0 cm long insulating rod of negligible mass. What is the dipole moment of the rod
a wheel of diameter 144 cm has an axle of diamter 15 cm. a force of 150N is exerted along the rim of the wheel. What force should be applied to the outside of the axle
Two capacitors, one that has a capacitance of 3.90 µF and one that has a capacitance of 12.3 µF, are connected in parallel. Find the potential difference across each capacitor after they a
A particle is displaced in 0.92 s from point A to point B with a uniform speed of 4.8 m/s via a circular path of radius 3.8 m centered at the origin. Obtain the average acceleration of the particle
two ropes support a load 312 kg. the two ropes are perpendicular to each other, and the tension in the first rope is 2.48 times that of the second rope. Find the tension in the second rope
A chunk of metal is held stationary, suspended by a string and the tension in the string is 19.6 N. What is the mass of the chunk of metal
A circular coil enclosing an area of 140 cm2 is made of 190 turns of copper wire. The wire making up the coil has resistance of 3.0 Ohms, what is the average current in the coil during that time
What changes did Alexander's conquests bring in wake - explain
Two isolated conducting spheres of equal radius R have charges +Q and -Q, respectively. Estimate the capacitance of this unusual capacitor
A textbook of mass 1.98kg rests on a frictionless, horizontal surface. A cord attached to the book passes over a pulley whose diameter is 0.160m , find the tension in the part of the cord attached
A student decides to spend spring break by driving 50miles dues east, then 50miles 30degrees south of east, How far will he drive, and how many vectors must he sum to calculate his displacement
a man is trying to get his car out of mud on the shoulder of a road. He ties one end of a rope tightly around the front bumper , What is the magnitude of the force on the car from the rope
A scaffold of mass 43 kg and length 6.5 m is supported in a horizontal position by a vertical cable at each end. What is the tension in the nearer cable
3. What is the role of the nuclear localization sequence in a nuclear protein?
A cockroach of mass m lies on the rim of a uniform disk of mass 6 m that can rotate freely about its center like a merry-go-round. find the angular velocity of the cockroach-disk system
A bolt on an engine is to be tightened with a maximum torque of 75 Nm. If a wrench has a length of 0.30 m, what is the maximum force perpendicular to the length
Our balance is maintained, at least in part, by the endolymph fluid in the inner ear. Spinning displaces this fluid, causing dizziness. What is the linear speed of the blade tip
List five examples of why you must assess the condition of the capture before beginning to capture the animal.
A block of mass 3.0 kg slides toward the right on a frictionless surface with v0 = 7.5 m/s. What is the position xf where the block stops
How does a muscle action potential causes contraction via the sliding filament theory. Also, explain the physiological rational for rigor mortis. Lastly, compare and contrast fast twitch and s