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An 815-kg race car can drive around an unbanked turn at a maximum speed of 61 m/swithout slipping. The turn has a radius of curvature of150 m. Air flowing over the car's wing exerts a downward-pointing force (called the downforce) of2500 N on the car.
a) What is the coefficient of static friction between the track and the car's tires?b) What would be the maximum speed if no downforce acted on thecar?
Calculate, using Newton's law of gravity, the size of the force of attraction between the Earth and a mass of 5.0kg on the Earth. Data: Distance to the center of Earth from thesurface = 6370 km. Mass of Earth = 5.98*1024 kg.
an accident in a fuel reprocessing plant caused by improper mixing of 235-u produced a burst of fission energy
a rotating sprinkler is placed in the vertex of apie-shaped plot of ground. if the sprinkler shoots the water out
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a solid plastic sphere of radius 10.0 cm has charge with uniform density throughout its volume. the electric field 9.00
a straight nonconducting plastis wire 8.5 cm long carries a charge density of 175ncm distribute uniformly along its
A 100 kg crate is being pushed across the horizontal floor by a force that makes an angle of 30.0° below the horizontal. The coefficient of kinetic friction is 0.230. What must be the magnitude of, so that the net work completed by it and the kinetic..
The radius of curvature of a convex mirror is 1.60 x 10^2 cm. An object that is 14.0 cm high is placed 40.0 cm in front of this mirror. Find out (1) the location and (2) the height of the image.
The engine of an aircraft propeller delivers an amount of power 179hp to the propeller at a rotational velocity of 2310rev/min. How much torque does the aircraft engine provide
The combination of an applied force and a friction force produces a constant total torque of35.3N · m on a wheel rotating about a fixed axis. Find the magnitude of the torque due to friction
A light platform is suspended from the ceiling by a spring. A student with a mass of 74 kg climbs onto the platform. At what time does the maximum speed occur
The nucleus of 8Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously breaks into two alpha particles (helium nuclei, each consisting of 2 protons and 2 neutrons).
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