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Suppose that a 1800 kg car passes over a bump in a roadway that follows the arc of a circle of radius 20.8 m
(a) What force does the road exert on the car as the car passes the highest point of the bump if the car travels at 40.0 km/h? (Neglect friction.)
(b) What is the maximum speed the car can have without losing contact with the road as it passes this highest point?
The magnetic field produced by an MRI solenoid 2.2m long and 1.5m in diameter is 2.2T. Find the magnitude of the magnetic flux through the core
Two- people- are -talking at a distance of 3.0 m from where you are and you measure the sound intensity as 1.1 Ã- 10-7 W/m2. What sound intensity does the other student measure
Two 4.4 kg bodies, A and B, collide. The velocities before the collision are A = (12 + 46) m/s and B = (-32 + 22) m/s. After the collision, 'A = (-16 + 30) m/s. What is the change in the total kinetic energy
A solid sphere of radius 10 m and mass 2.5 kg rolls down a ramp that is 3 m high. What is its velocity at the bottom of the ramp
Some object moves 100.0 m at an angle of 36° west of south. During this motion, a 92.0 N force acts on the same object, what is this force's orientation
A uniform solid sphere of mass 1.5 kg and diameter 30.0 cm starts from rest, What is the speed of the center of mass of the sphere when it reaches the bottom of the incline
A(n) 19_kg object floating in water has 0.24 of its volume above the surface of the water. What is the volume of the object
A concave mirror has a radius of curvature of 24cm. Determine the object position for which the resulting image is upright, draw a ray diagram to determine the position of the image
A tungsten wire has a radius of 0.070 mm and is heated from 20.0 to 1416 oC. The temperature coefficient of resistivity is ? = 4.5 x 10-3 (Co)-1, How long is the wire
An automobile tire is rated to last for 40,000 miles. To an order of magnitude, through how many revolutions will it turn?
Calculate the energies and wavelengths of the 3d to 2p transitions, taking into account the fine structure of both levels
The rectangular gate CD shown in the figure is 1.8 m wide and 2 long. Assuming the material of the gate to be homogeneous and neglecting friction at the hinge C, determine weight of the gate necessary to keep it shut until the water level rises to..
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