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Tarzan, mass 85 kg, swings down on the end of a 20-m vine from a tree limb 4.0 m above the ground. Sketch the situation.
1. How fast is Tarzan moving when he reaches the ground?
2. Does your answer to a depend on Tarzan’s mass?
3. Does your answer to a depend on the length of the vine?
a 10.0 kg mass is acted upon by a force given by (16 + 5x -4x^2)(i), where x is measured in meters. How much work is done by this force as the mass moves from x=0 to x=+3m
H-F molecule has spring constant of 970 N/m. Assume that an H-F chemical laser, which lases betwee vibrational states of the H-F molecule, how many photons per seconde does it emit
A large turntable rotates about a fixed vertical axis, making onerevolution in 6.00 s. The momentof inertia of the turntable about this axis is 1200 kg · m2. A child of mass31.0 kg, initially standing atthe center of the turntable, runs out along ..
What is the relationship between a vector and a coordinate system? Between a vector and the number line? What properties or values of a vector depend on the coordinate system used to express it?
Two different simple harmonic oscillators have the same natural frequency (f=9.10 Hz) when they are on the surface of the Earth. The first oscillator is a pendulum, what is the new frequency of the pendulum
At each corner of a cube of 25.41 cm on a side there is a point charge Q = 8.360e-6C. Take V to be zero at infinity, what is the potential at the center of the cube
q1. a skater holds her arms outstretched as she spins at 180 rpm. what is the speed of her hands if they are 150 cm
Proper design of automobile braking systems must account for heat buildup under heavy braking.
A boy of mass 48.7 kg is initially on a skateboard of mass 2.00 kg, moving at a speed of 10.4 m/s. The boy falls off the skateboard, and his center of mass moves forward at a speed of 11.1 m/s. discover the final velocity of the skateboard.
a proton gun fires a proton from midway between two plates a and b which are separated by a distance of 0.1m. the
A block of mass 3.65kg and density 600 kg/m^3 floats in a bath of oil of density 970kg/m^3. calculate total volume of wood and metal
A large negatively charged object is placed on an insulated table. A neutral metallic ball rolls straight toward the object, however stops before it touches it. A second neutral metallic ball rolls along the path followed with the first ball, strikes..
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