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The reason of a banked curve is to allow vehicles tomaneuver during the turn without relying on static tire friction to remain on the curve. An accident investigator is trying to decide whether or not a highway clover leaf on-ramp speed limit sign is correct for a banked curve with a 12.0 degree banking angle. Suppose the curve has a radius of 67 m. (a) what must the cautionary speed be for this curve? (b) If a 1200kg vehicle attempts to make the turn at a higher speed than the cautionary speed, frictional force must provide the additional centripetal force to keep the vehicle from sliding. What is the frictional force necessary to keep the car from sliding suppose the driver maintain a constant velocity of 95 km/h (59mph) ?
The drawing shows an intravenous feeding. With the distance shown, nutrient solution (? = 1010 kg/m3) can just barely enter the blood in the vein. What is the gauge pressure of the venous blood
A 4.00 kg mass is connected to a spring with a spring constant of 9.00 N/m. find the maximum acceleration of the simple harmonic motion
The electron beam Cathodes and anodes An electron gun usually consists of a cathode and an anode. The cathode is a filament that is connected to a potential difference (filament voltage), and the resulting current heats the filament to incandescen..
A solid cylinder of mass M = 27 kg, radius R = 0.29 m and uniformdensity is pivoted on a frictionless axle coaxial with its symmetryaxis. What is its angular velocity after the collision
A certain waffle iron is rated at1.03kW when connected to a 120-V source. What current does the waffle iron carry?
a 19.2 kg sled is being pulled across a horizontal surface at a constant velocity. determine the coefficient of kinetic friction
How many joules of kinetic energy does a 750 automobile traveling at a typical highway speed of 65 have.
one of your summer lunar space camp activities is to launch a 1110-kg rocket from the surface of the moon. you are a
A rubber ball is dropped and bounces vertically from a horizontal concrete floor. what is the average force of the floor on the ball
Helium is used to fill a balloon of diameter 31 cm at 23C and 1.5 atm. The mass of a helium atom is 4.0026 u, the conversion factor from u to kg is 1.66 × 10?27 kg/u, What is the average kinetic energy of each Helium atom
A 65kg trampoline artist jumps vertically upward from the top of a platform that is 2 m above the trampoline with a speed of 4.80m/s.
A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. What is the mass of the wheel
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