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An airplane flies eastward and accelerates uniformly. At one position along its path it has a velocity of 32.3 m/s. It then flies a further distance of 48900 m and its velocity is 47.5 m/s. Find the airplane's acceleration and calculate how much time elapses while the airplane covers those 48900 m.
Find the acceleration of an elerton in this field. What is its speed after 50ms.
A 332 kg piano slides 3.54 m down a 31.2° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. Calculate the net work done on the piano
a 0.1kg ball moving at 10 m/s collides with a 1 kg block that is initially at rest. Find the ratio of the kinetic energies of the two objects after collision
A 7.01- g bullet is moving at 563.00 m/s as it leaves the 0.58- m-long barrel of a rifle. What is the average force on the bullet as it moves down the barrel
A box of mass m slides across a horizontal table with coefficient of friction ? . Find the acceleration of the system
A highway curve has a radius of 125 m. At what angle should the road be banked so that a car traveling at 27.4 m/s has no tendency to skid sideways on the road.Find an acceleration of box and ramp.
A solid cylinder of mass 148.7 kg and diameter 0.72m has mounted to rotate around its axis, the cylinder has an initial angular velocity of wi, and the mass is 26m below the cylinder
How much force is needed to hold a 7.0 cm diameter hose delivering 440 L/min through a 0.73cm diameter nozzle.
A particle with a positive charge 2e moves with a velocity V= (2i + 3j - k) m/s through a region where both a uniform magnetic field and a uniform electric field exist. Calculate the total force on the moving particle
What is the distance Delta y_max-min between the second maximum of laser 1 and the third minimum of laser 2, on the same side of central maximum.
The angular momentum of the electron as it moves around the center of the circle is 1.40 × 10-25J•s.Find the radius of the circular path.
A thin, flexible metal plate attached at one end to the platform, can be used to measure mass. When the free end of the plate is pulled down and released, it vibrates in simple harmonic motion with a period that depends on the mass attached to the pl..
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