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A jetliner, traveling northward, is landing with a speed of 69m/s. Once the jet touches down, it has 750 m of runway in which toreduce its speed to 6.1 m/s. Compute the average accelaration(magnitude and direction) of the plane during landing.
The most intense beam of light that can propagate through dry air must have an electric field whose maximum amplitude is no greater than the breakdown value for air: Eair max = 3.0 x 106 V/m, Calculate the intensity of this wave
An electron is moving northwards with a velocity 10^7 m/s in a magentic feild of 3T directed eastwards. Calculate the instaneous force on the electron
You are at the controls of a particle accelerator, sending a beam of 3.00×107 protons (mass ) at a gas target of an unknown element. Find the mass of one nucleus of the unknown element
A glass rod rubbed with silk acquires a charge of +1.0×10-9 C. How many electrons have been transferred to the silk
A 4.0-mm -diameter wire carries a 10A current when the electric field is 8.6×10?2V/m. What is the wire's resistivity
A 10-kg cylinder rolls without slipping on a rough surface. At an instant when its center of gravity has a speed of 10 m/s, determine (a) the translational kinetic energy of its center of gravity,
An automobile has a vertical radio antenna 1.00 m long. The automobile travels at 56.0 km/h on a horizontal road where Earth's magnetic field is 50.0 µT, Calculate the magnitude of this induced emf
A column of soldiers, marching at 133paces per minute, keep in step with the beat of a drummer at thehead of the column. What is the approximate length of the column
It compresses the spring, and then is pushed back in the opposite direction by the spring, eventually losing contact with the spring.
Joey weighs 77 lb and sits on a seesaw at a distance of 30 inches from the fulcrum. Jenny weighs 67 lb and sits on the opposite side of the seesaw at a distance of 48 inches from the fulcrum. how far away from the fulcrum should he sit
You hit a 142 g baseball by swinging a bat with a force of 500 N. The collision lasts for 25.0 ms. If the ball was initially thrown at 19 m/s, What is the final speed of the ball
A 16.8-kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 73.0 N and is directed at an angle of 22 ° above the horizontal. Determine the coefficient of kinetic friction.
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