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Determine the tangential and centripetal components of the net force exerted on a car (by the ground) when its speed is 27m/s, and it has acclerated to this speed from rest in 9.0s on a curve of radius 450m. The car's mass is 1150kg.
A ball rolls off a horizontal table at 0.44m/s and strikes the ground 0.17m horizontally from the base of the table, how far from the base of the table does it hit
a vertical spring ignore its mass whose spring stiffness constant is 820 nm is attached to a table and is compressed
You have a thin metal sphere of unknown volume that contains helium gas at low pressure. Given that the volume of the metal sphere, pressure gauge, etc., was 341 mL, how many moles of helium gas would you have
A 39.00 g ball is fired horizontally with initial speed v_0 toward a 110g ball that is hanging motionless from a 1.00 m-long string. The balls undergo a head-on, perfectly elastic impact, after which the 110 g ball swings out to a highest angle th..
One of the most powerful cranes in the world operates in Switzerland. If it takes 1.00 min to lift the load at constant velocity to this height, find the power developed by the crane
what is the shortest and non-trivial channel impulse response that has zero amplitude response at both zero frequency
The average speed of a nitrogen molecule in air is about 6.70 ? 102 m/s, and its mass is about 4.68 ? 10-26 kg, What average force does the molecule exert on the wall
a parallel-plate capacitor has plates separated by 0.76 .part a if the electric field between the plates has a
a river is 175 meters wide and has a current that is flowing at 4 meterssecond from the north to the south. a swimmer
A 4.4-g bullet leaves the muzzle of a rifle with a speed of 314 m/s. What force (assumed constant) is exerted on the bullet
To push a 32 kg crate up a frictionless incline, angled at 34° to the horizontal, a worker exerts a force of 280.6 N, parallel to the incline. What is the total work done on the crate
What minimum constant acceleration does the aircraft require if the aircraft is to be airborne after a takeoff run of 222m.
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