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Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 1.8×106 one at an angle 17 degrees west of north, What is the total work they do on the supertanker
A position vector in the first quadrant has an x component of 8 m and a magnitude of 10 m. What is the value of its y component?
A satellite with a mass of 330 kg moves in a circular orbit 8.00 multiply.gif 107 m above the Earth's surface. What is the gravitational force on the satellite
4. How much angioplasty is enough??Angioplasty is a technique in which arteries partially blocked with plaque are dilated to increase blood flow. By what factor must the radius of an artery be inc
An unknown tuning fork produces a beat frequency of 3Hz when played with a 440Hz fork, What is the frequency of the unknown fork
a film of index of refraction of 1.4 and thickness of 1.2*10^-5 m is on a lens with an index of refraction of 1.6. find the path length difference between the two reflected rays
How many electrons would need to be transferred in order to balance these two forces?
The mass of a certain planet is 3.00 multiply.gif 1026 kg. What is the mean orbital radius of this second moon
a satellite is describing a circular orbit about the Earth with speed V. The satellite is separated into two pieces by explosive bolts which gave them an equal but opposite velocity, Find the two ne
A pole-vaulter is nearly motionless as he clears the bar, set 4.2m;m above the ground. He then falls onto a thick pad. The top of the pad is 80 cm{rm cm} above the ground, and it compresses by
Use the worked example above to help you solve this problem. A tortoise and rabbit engage in a footrace over a distance of 3.70 km. The rabbit runs 0.400 km, then stops for a 83.0-min nap. Upon a
The outside mirror on the passenger side of a car is convex and has a focal length of -5.7 m. compute the magnification of the mirror
A hang glider and its passenger has a mass of 95kg. The wing has an area of 11.0m^2. what must be the airspeed above the wing to create lift
You land on a new planet with radius 5000km. You measure the freefall acceleration due to gravity to be 8.5m/s^2 at the surface
a uniform 12.0kg ladder is 4.0m long and is placed against a frictionless wall at 30 degress. find the frictionless force at the floor necessary to maintaain equilibrium
a circus performer hangs a 3.0kg hoop of diameter 1.0m over a nail. with what frequency does it oscillate about the nail
A solid cylider of mass 9.8 kg and radius 28 cm is yoked to a spring as shown. What is the angular frquency of the cylinder rolling back
The cable below supports a unoformly distributed load. The max tension that the cable can withstand is 41 x 10^6 N, What minimum length of cable is needed
A comet has a very elliptical orbit with a period of 116.1 y. what is its greatest distance from the Sun
Two slits are illuminated by a 390 nm light.The angle between the zeroth-order bright band at the center of the screen, how far apart is this bright band from the central peak
A fully suited 100 kg astronaut stands on a spherical asteroid of diameter 1.0 km and mass 2.5 x 1012 kg. With what speed must she jump to escape the asteroid
A 40.0 kg child takes a ride on a Ferris wheel that rotates four times each minute and has a diameter of 18.0 m, What is the centripedal acceleration of the child
A battery is designed to have an EMF of 12.0V. When the battery is connected to an unknown resistor in series the terminal voltage drops down to 10.0V. what is the value of the unknown resistor
You have two identical containers, one containing gas A (mA = 6.64 ×10?27 kg) and one containing gas B (mA = 1.39 ×10?27 kg). At what temperature will you accomplish your goal
Electrons are accelerated through a voltage difference of 265 kV inside a high voltage accelerator tube. What is the final kinetic energy of the electrons