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When a fighter pilot makes a very quick turn, he experiences a centripetal acceleration. When this acceleration is greater than about 10 × g the pilot will usually lose consciousness ("black out"). Consider a pilot flying at a speed of 990 m/s who wants to make a very sharp turn. What is the minimum radius of curvature that he can take without blacking out?
Objects A and B are both positively charged. Both have a mass of 200g , but A has twice the charge of B. If the objects are released, what is the initial acceleration of A
The magnetic field between the poles of an electromagnet is 2.17 T. A coil of wire is placed in this region so that the field is parallel to the axis of the coil. How many turns are there in the coil
the second person is initially at rest. Illustrate what are the velocities of the two people after the snowball is exchanged? Disregard the friction between the skates and the ice.
The pilot of an airplane travelling 200 km/h wants to drop supplies to flood victims isolated on a patch of land 165m below. The supplies should be dropped how various seconds before plane is directly overhead.
X-rays having an energy of 300 keV undergo Compton scattering from a target. The scattered rays are detected at 37.0° relative to the incident rays. Find (a) the Compton shift at this angle, (b) the energy of the scattered x-ray, and (c) the energ..
Two tiny conducting spheres are identical and carry charges of -16.6C and +56.3C, Determine the magnitude of the force that each sphere now experiences
The boom in the crane is free to pivot about point P and is supported by the cable that joins halfway along its 18 m length. the cable passes over a pulley and is anchored at the back of crane. the boom has a mass of 1700 kg, distributed evenly an..
The speed of a passenger train is 16mph faster than the speed of a frieght train. The passenger train travels 330 miles in the same time it takes the frieght train to travel 250miles. find the speed of each train.
A long, narrow horizontal slit lies 1.00 µm above a plane mirror, which is in the horizontal plane. Find the distance from the mirror to the first maximum
A ski starts from rest and slides down a 22° incline 75 m long. If the coefficient of friction is 0.09, what is the ski's speed at the base of the incline? If there is snow level at foot of the incline and it has the same coefficient of friction, ..
The position of an object as a function of time is (3.2t + 1.8t^2)i + (1.7t + 2.4t^2) , where is the time in seconds. Find the magnitude and direction of the object.
Two balls with a net charge of - 4.0 ?C and + 10.0 ?C are separated by 2 cm. What is the electrostatic force on the positive charge
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