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Q1. Tarzan (m = 75 kg) tries to cross a river by swinging from an 11.0 m long vine. His speed at the bottom of the swing, just as he clears the water, is 5.0 m/s. Tarzan doesn't know that the vine has the breaking strength of 1.0 103 N. What is the total force Tarzan excretes on the vine?
Q2. A fully loaded station wagon has a mass of 1690 kg. If each of its four tires is inflated to a gauge pressure of 211 kPa, what is the total tire area in contact with road?
A simple pendulum consists of a 4kg mass attached to a 3m long rope. At t=0 it is moving to the right at 0.4m/s. What is the angular frequency of the oscillation
Car A uses tires for which the coefficient of static friction is 1.1 on a particular unbanked curve. The maximum speed at which the car can negotiate this curve is 25 m/s. Car B uses tires for which the coefficient of static friction is 0.65 on the s..
A firework explodes 120 m above the ground. Determine the time difference between two observers hearing the explosion
An air-filled toroidal solenoid has a mean radius of 15.5cm and a cross-sectional area of 4.95cm2, How many turns does the winding have
What is the magnitude of the acceleration of the speck of clay on the edge of a potter's wheel turning at 50 (revolutions per minute) if the wheel's diameter is 38.0 cm.
The former is on the left in contact with air and the other in contact with a liquid of index 1.4 The refractive index of the glass is 1.50. Find the positions of the foci, principal planes, and focal length of the system.Use the matrix approach
Find out (a) the coefficient of kinetic friction between m2 and the incline, (b) the acceleration of each mass, and (C) the tension in the string.
A water pipe is inclined 32.0° below the horizontal. The radius of the pipe at the upper end is 3.00 cm. If the gauge pressure at a point at the upper end is 0.117 atm, what is the gauge pressure at a point 2.65 m downstream, where the pipe has narro..
Two spheres are launched horizontally from a1.0m -high table. Sphere A is launched with an initial speed of 5.0m/s. What is the time for the sphere A to hit the floor
Must show all work!!!! A Playground merry-go-rond has a radius of r=3.0m, calculate th angular velocity of the merry go round and child system when the child reaches the rim
Two Satellites A and B, each of mass 50 kg are in circular orbits at altitudes of 1000 km and 35000 km respectively. What is the difference in gravitational potential energies of the two satellites in their respective orbits
A bullet with a mass of 4.25g , traveling horizontally with a speed of 434m/s , is fired into a wooden block with mass of 0.786kg, What is the decrease in kinetic energy of the bullet
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