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Question: Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 1.90Ã-106 N , one at an angle 15.0 ∘ west of north, and the other at an angle 15.0 ∘ east of north, as they pull the tanker a distance 0.640 km toward the north.
What is the total work done by the two tugboats on the supertanker? Express your answer in joules, to three significant figures.
Describe how Halon (halogenated hydrocarbon) is harmful to the Earth's ozone layer and the possible extinguishing agents.
A 2.0-kg object is attached to one end of a horizontal spring that has a negligible mass and a spring constant of 250 N/m. The other end of the spring is fixed to a wall. The spring is compressed by 15 cm from its equilibrium position and released fr..
One car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 7.5m/s , What were the original speeds of the two cars
In electronics it is customary to describe the potential of ground (thinking of the earth as a large conductor) as zero. Is this consistent with the fact that the earth has a net electric charge that is not zero? (Refer to ex. 21.32)
A light beam containing red and violet wavelengths is incident on a slab of quartz at an angle of incidence of 26.3°. Find the dispersion of the slab
how does friction applied to the hot wheels track, Why would 20 degrees have a higher range (delta x) than 15-20 degrees
Mickey, a daredevil mouse of mass 0.0199 kg, is attempting to become the world's first "mouse cannonball."
A tire contains 1ft3 of air at a gauge pressure of 28lb/in2. How much additional air at atmosphere pressure must be pumped into the tire to raise the pressure to 36lb/in2 at the same temperature?
Two molecules interact in a complicated way that can be described by the potential energy (V) vs. separation (r) graph shown. They are placed 16 nm apart and released from rest.
Light of wavelength 550. nm in air is found to travel at 1.96x10^8 m/s in a certain liquid. Determine the frequency of the light in air
a point charge with q1 2.8 c is located at x ?3.0 m y 0 and a second point charge with q2 4.4 c is at x 1.0 m y
Consider an object of Mass M = 7.50 kg object placed on a horizontal rough surface (?s = 0.400 and ?k = 0.300) initially at rest. A force F is applied.
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