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A golfer, standing on a fairway, hits a shot to a green that is elevated 6.91 m above where she is standing. If the ball leaves her club with a velocity of 33.2 m/s at an angle of 32.1 ° above the ground, find the time that the ball is in the air before it hits the green.
which the tortoise wins in a photo finish? suppose that, when moving, both animals move steadily at their respective maximum speeds.
question1a professors office door is 0.92 wide 2.0high and 4.0 thick has a mass of 25 and pivots on frictionless
Assume you are a medieval knight attacking a castle with a cannon. The cannonball leaves the cannon with a speed of 40.7 m/s, What is the time of flight of the cannonball
An eye has trouble seeing an object closer than 60 cm but needs to see objects at 25 cm from it. find the focal length of a correctly prescribed contact lens
The pressure in a vessel containing methane and water at 70°C is 10 atm. Estimate the mole fraction of methane in the liquid
We want to design a freeway off ramp that has a radius appropriate for the posted speed. What is the radius of the curved exit ramp such that the car does not skid off the ramp
A point charge of -12 micro-coulombs is fired directly towards a single infinite sheet of charge. It is initially moving at 3.4 m/s towards the sheet and after it has traveled 0.7 meters it is moving at 18.4 m/s.
A camera's flash uses the energy stored in a 260?F capacitor charged to 190V . The current in the charging circuit is not to exceed 21mA, What's the resistance in the charging circuit
A 60.0 kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.760 and 0.410, correspondingly. What horizontal pushing force is required to (i) just start the crate moving and (ii) slide the crate ..
An elephant's legs have a reasonably uniform cross section from top to bottom, and they are quite long, An elephant has legs that stretch 2.3 m from its shoulders to the ground. How much time is required for one leg to swing forward after completin..
A 0.200 T magnetic field is directed along the positive x axis. A magnetic field of unknown magnitude acts along the positive y axis, Find the magnitude of the unknown magnetic field
The asteroid belt circles the sun between the orbits of Mars and Jupiter. What is the orbital radius and speed of the asteroid belt
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