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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.
A small steel ball with a mass of 80 g is releasesd from a resting height of 1.25 m above a ridgid metal plate. What is the velocity of ball before impact.
Design a response cost procedure for a 13 year old boy with a history of lying. Explain what makes response cost a negative punishment procedure.
the next two questions refire to the following scenario. Determine the horizontal velocity of the arrow
A bicycle wheel has a diameter of 66 centimeter and a mass of 2.0 kilogram. Suppose the wheel has the characteristics of a hoop. find what force would be required on the chain to achieve an acceleration of 5.0 rad/s2
Two small stereo speakers are 2.8 m apart and act as a double-slit interference experiment with sound waves. If the opposite wall of the room is 7.5 m away and the sound frequency is 1.4 kHz, what is the distance among the two interference maxima nea..
A constant 0.28 T magnetic field passes through a loop at an angle of 35 degrees with respect to the normal of the area of the loop. find the flux through the loop
A laser used in a holography experiment has an average output power of 4.93 mW. Calculate the energy (in joules) radiated with each pulse
A 5.00?F capacitor that is initially uncharged is connected in series with a 5.50k? resistor and an emf source with E= 145V negligible internal resistance, Just after the circuit is completed, what is the voltage drop across the capacitor
A particle with charge of 4 microcoloumbs is at the origin, another identical particle is placed 2 m from the origin on thepositive x-axis and another 2 m on the positive y-axis.
A 0.25 kg mass on a spring has a displacement x(t) = 0.2 cos(1.2 t - 0.15?). Determine the initial velocity of the mass
any two conductors can be considered to be a capacitor. suppose one conductor is a sphere of radius a and the other is
Determine the natural frequencies for the normal modes of vibration, and describe how these motions may be started.
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