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Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 2.00×10^6 km, one at an angle 18.0 west of north, and the other at an angle 18.0] east of north, as they pull the tanker a distance 0.730km toward the north.
What is the total work done by the two tugboats on the supertanker?
On a horizontal frictionless surface, a small block with mass 0.200 kg has a collision with a block of mass 0.400 kg, What is the total kinetic energy of the two blocks after the collision
A particle (Mass=m, charge=e, and Energy=E) is incident on a potential barrier from x
If the flare is fired at the same angle over the flat Sea of Tranquility on the moon, where g = 1.6 m/s2, describe what is its horizontal range?
approsimate the terminal speed of a wooden sphere (density 0.890 g/cm3) falling through air, if its radius is 9.00 cm and its drag coefficient is 0.500. (The density of air is 1.20 kg/m3.)
An electron with an initial speed of 4.00×105m/sis brought to rest by an electric field, What was the initial kinetic energy of the electron, in electron volts
A roller coaster, travelling with an initial speed of 15 meters per second, decelerates uniformly at -7 meters per second per second to a full stop. How far does the roller coaster travel throughout its deceleration.
A dc motor has coils with a resistance of 13 ? and is connected to an emf of 120.0 V. When the motor operates at full speed, the back emf is 72 V. What is the current when the motor is at full speed
A convex spherical mirror, whose focal length has a magnitude of 19.0 cm, is to form an image 12.4 cm behind the mirror. What is the magnification of the mirror
A person is standing 8 m away from a speaker and experiences an intensity level consistent with the standard pain threshold. what is the power of the speaker
A ball with a diameter of 10 cm is submerged in water. The buoyant force of the water on the ball is
A satellite moves in a circular orbit around Earth at a speed of 5047 m/s. Determine the satellite's altitude above the surface of Earth
A spherical weather balloon is filled with hydrogen until its radius is 3.00 m. Its total mass including the instruments it carries is 15.0 kg. Find the buoyant force acting on the balloon, assuming the density of air is 1.29 kg/m3. N
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