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A 90.6-kg climber is scaling the vertical wall of a mountain. His safety rope is made of a material that, when stretched, behaves like a spring with a spring constant of 1.33 x 103 N/m. He accidentally slips and falls freely for 0.997 m before the rope runs out of slack. How much is the rope stretched when it breaks his fall and momentarily brings him to rest?
A spring is compressed by 0.0709 m and is used to launch an object horizontally with a speed of 3.06 m/s. If the object were attached to the spring, at what angular frequency (in rad/s) would it oscillate?
The drum of a photocopying machine has a length of 42 cm and a diameter 12 cm. The electric field now above the drum's surface is 2.3x105N/C. What is the total charge on the drum?
The mass of the Space Shuttle orbiter is 8.8 x 104 kgand the period of its orbit is 82 minutes. Estimate thekinetic energy of the orbiter and the work done on it by gravitybetween the launch and orbit.
Suppose the coefficient of static friction between the road and the tires on a car is 0.60 and the car has no negative lift. What speedwill put the car on the verge of sliding as it rounds a level curveof 31.1 m radius?
A river is L = 2.68 km wide. The banks are straight and parallel. The current is 2.6 km/h and is parallel to the banks. A boat has a maximum speed of 8 km/h in still water. The pilot of the boat aims the boat so that he crosses over to the far bank o..
A commuter airplane starts from an airport and takes the routeshown in fig. p3.13. the plane first flies to city A, located 275km away in a direction 30.0 degrees north of east. Next it fliesfor 170.0 km in a direction of 20.0 degrees west of nort..
A boat whose speed in still water is 1.70m/s, must cross a260-m-wide river and arrive at a point 110 m upstream from where itstarts. What is the speed of the rivers current
A cart of mass (851.8 +- 0.1)g is configured in a setup. The tension in the string is 0.36 N and the cart has a displacement of 40.9cm
X rays with intial wavelegnth 6.75*10^-2nm undergo compton scattering, At which scattering angle is this wavelength observed
What is the difference between the terms electric potential and voltage? Give an example. How can the knowledge of electric potential help usunderstand the motion of electrically charged particles in electriccircuits?
Two forces act on an object. One has a magnitude of152 newtons and points at an angle of68.0° above the +x axis. What are the magnitude and direction of this third force
A proton travels with a speed of 4.90106m/s at an angle of65°with the direction of a magnetic field of magnitude0.240T in the positivex-direction. What is the magnitude of the magnetic force on the proton?
two 2.20 cm x 2.20 cm plates that form a parallel-plate capacitor are charged to -0.708 nc . what is the electric field
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