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Question 1 A car is moving at 9 m/s along a curve on a horizontal plane with radius of curvature 46 m. The acceleration of gravity is 9.8 . What is the required minimum coefficient of static friction between the road and the car's tires to keep the car from skidding? Question 2 A space station in the form of a large wheel, 139 m in diameter, rotates to provide an "ar- tificial gravity" of 4.1 m/s2 for people located on the outer rim. Find the rotational frequency of the wheel that will produce this effect. Answer in units of rpm.
A fox locates its prey under the snow by slight sounds rodents make. how long the fox is in the air
administrative expenses are avoidable if product R97C is discontinued. Illustrate what would be the effect on the company's overall net operating income if product R97C were dropped?
De Broglie postulated that the relationship ? = h/p is valid for relativistic particles. What is the de Broglie wavelength for a (relativistic) electron
A 1070-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A 1960-N crate hangs from the far end of the beam.
You are shining ultraviolet light on a gas of an unknown element. You know that an electron starts in a ground state with an energy of -17.30 eV. What is the energy of the first photon emitted
A long line carrying a uniform linear charge density +56.0 µC/m runs parallel to and 10 cm from the surface of a large, Find the location of all points on a line perpendicular to the sheet and the charged line
A horizontal mass-spring system has low friction, spring stiffness 250 N/m, and mass 0.370 kg. The system is released with an initial compression of the spring of 10.8 cm, What is the maximum speed during the motion
Astronauts put their spaceship into orbit about a planet. How far above the planet's surface are they orbiting
A pump discharges water at a rate 100kg/s with a guage pressure of 2atms. the flow is transported by a 10 cm diameter pipe up to an elevation of 5m
When light is incident on a surface the critical angle is 40.0 degrees. The two materials are air and glass. What is the polarization angle for this light
Find the change in momentum of a 1140kg car that increases its speed from 4.5 m/s to 18.0 m/s in a time of 19s while travelin in the same direction
What is speed of the car just before it lands safely
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