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A spring of negligible mass has force constant k = 1800N/m .
A. How far must the spring be compressed for an amount 3.40J of potential energy to be stored in it?
B. You place the spring vertically with one end on the floor. You then drop a book of mass 1.20kg onto it from a height of 0.800m above the top of the spring. Find the maximum distance the spring will be compressed. Take the free fall acceleration to be 9.80m/s2.
A block of mass m1 = 3 kg rests on a table with which it has a coefficient of friction µ = 0.67. A string attached to the block passes over a pulley to a block of mass m3 = 5 kg. The pulley is a uniform disk of mass m2 = 0.7 kg and radius 15 cm. A..
Particle X has a speed of .74 c and a momentum of 5.54 * 10^-19 kgm/s. What is the total energy of the particle
A spherical object has an outside diameter of 52.0 cm. Its outer shell is composed of aluminum and is 2.40 cm thick. What is the object's average density
The combination of an applied force and a friction force produces a constant total torque of 35.0 N · m on a wheel rotating about a fixed axis. Find the magnitude of the torque due to friction
Assuming the specific heat of the body is the same as water, calculate the temperature rise due to a total body dose of 10 Gy (1000 rad). Show your work.
a 9.0 microf capacitor is charged by a 11.0 v battery through a resistance r. the capacitor reaches a potential
A 20 kg sled is being pulled along a horizontal stretch of snow covered ground by a horizontal force of 30 N. find the coefficient of kinetic friction between the sled and the snow
A parallel-plate capacitor consists of plates of area 1.5 x 10-4 m2 and separated by 1.0 millimeter. The capacitor is connected to a 12 Volt battery. Determine what is the capacitance
A skier travels first 2 miles in the direction north, 3 miles in the direction west, and finally 1.5 miles in the direction south. Determine the direction of the above vector
The aorta is a major artery, rising upward from the left ventricleof the heart and curving down to carry blood to the abdomen andlower half of the body. The curved artery can be approximated as asemicircular arch whose diameter is 4.8cm.
An unchanged 1 meter cubed solid block of gold, sits on an electrically insulating table on the field in the middle of a soccer field. Find the electric field strength at the center of the block
The average resistivity of the human body is 5 ohm*m. The conducting path between two hands is approximated as a cylinder with length 1.6m, what is the resistance between the hands
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