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You are standing on the ground at the origin of a coordinate system. An airplane flies over you with constant velocity parallel to the x axis and at a constant height of 9.00 103 m. At t = 0, the airplane is directly above you so that the vector leading from you to it is 0 = 9.00 103 m. At t = 30.0 s the position vector leading from you to the airplane is 30 = (7.46 103 + 9.00 103) m as suggested in the figure below. Determine the magnitude and orientation of the airplane's position vector at t = 75.0 s. 1)find the magnitude 2) directi
Photons of wavelength 530 nm are incident on a metal. The most energetic electrons ejected from the metal are bent into a circular arc, compute the work function of the metal
Two submarines are on a secret mission and need to arrive at a location in the middle of the Atlantic Ocean at the same time. They start out at the same time from positions equally distant from the redezvous point.
An iceboat is gliding on a frozen lake with no propulsive force being applied. Does the horizontal momentum of the boat Change
A horse canters away from its trainer in a straight line, moving 111 m away in 15.0 s. It then turns abruptly and gallops halfway back in 4.90 s.
The conversion of an incident pressure wave to an electrical signal is called?
The seed has a mass of 250 mg., a functional lift-to-drag ratio of 4.0, a lift coefficient under the same conditions of 0.3, and a wing area of 5000 mm2. How long will it take to hit the ground
Two particles each weigh 1.03 N. Find the magnitude of their mutual gravitational force when they are separated by a distance of 21.1 cm
A toy cannon uses a spring to project a 5.30 g soft rubber ball. The spring is originally compressed by 5.00 cm, At what point does the ball have maximum speed
A block of mass 2 kg travels along a horizontal frictionless surface with velocity 3 m/s. What impulse was delivered to mass m
One way to measure on another planet or moon by remote sensing is to measure how long it takes an object to fall a given distance. A lander vehicle on a distant planet records the fact that it takes 3.17 for a ball to fall freely 11.26.
What is the new frequency of the string that was tightened. find the magnitude of the net force acting on the car during this time.
Calculate the rotational inertia of a meter stick, with mass 0.576 kg, about an axis perpendicular to the stick and located at the 29.9 cm mark
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