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A golf ball of mass 0.050 kg is at rest on thetee and has a velocity of 102 m/simmediately after being struck. If the club and ball were in contact for0.81 mili second, what is the average forceexerted on the ball?
An airplane must reach a speed of 189mi/h to take off. If the runway is 472m long, what is the minimum value of acceleration that will allow the airplane to take off successfully.
When a person inhales, air moves down the windpipe at 15 cm/s. determine the pressure drop of the constriction
question suppose you are stopped for a traffic light and a ambulance approaches you from behind with a speed of 18 ms.
A uniform chain with a mass of 1.38 kg per meter of length is coiled on a table. One end is pulled upward at a constant rate of 0.54 m/s. Calculate magnitude of the net force acting on the chain
A crate of mass 11.5 kg is pulled up a rough incline with an initial speed of 1.50 m/s. The pulling force is 100 N parallel to the incline, What is the change in kinetic energy of the crate
A motorcycle and rider have a total mass equal to 300kg. Therider applies the brakes, causing the motorcycle to accerelate at arate of -5m/s2. What is the net force on the motorcycle
A fireworks rocket explodes at a height of 100 m above the ground. What is the total sound energy of the explosion
A circular-motion addict of mass 95 kg rides a Ferris wheel around in a vertical circle of radius 10 m at a constant speed of 6.4 m/s. What is the magnitude of the normal force on the addict from the seat when both go through the highest point of t..
Light of a particular wavelength shines on a single slit of width 1.150e-4 m, creating a diffraction pattern with the first dark fringe at an angle of 0.224° from the centerline. What is the distance between the centers of the two slits
A ball of mass 0.200 kg has a velocity of ; a ball of mass 0.300 kg has a velocity of . They meet in a head-on elastic collision. Proof that the collision was elastic
If an underwater vehicle were to explore such a depth, what force would the water exert on the vehicle's observation window (radius = 0.10 m)? For comparison, determine the weight of a jetliner whose mass is 1.20 105 kg
A wildlife biologist tracks an elk over flat terrain by following the emissions from a radio collar worn by the animal. If the elk travels 3.0km at an angle of 30 degrees East of North, followed by 2.0km at 40degrees West of North, and finally a 4..
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