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An archer shoots an arrow at a 75.0 m distant target; the mull's eye of the target is at the same height as the release height of the arrow. At what angle must the arrow be released to hit the bull's eye if its initial speed is 35.0 m/s? (In this part of the problem explicitly show how you follow the steps involved in solving projectile motion problems.)
A chunk of 22 gram ice is pulled from a freezer keeping temperature -25 deg. Celsius, and placed in an identical calorimeter as the one described in problem 1. What is the experimental latent heat of fusion of ice
25.00kg lead sphere is hanging from a hook by a thin wire 3.50m long, and is free to swing in a complete circle. What must be the minimum initial speed of the dart
A hollow wire of outer radius 10 cm and inner radius 5 cm carries a uniformly distributed 12 Amp current. Discover the value of the magnetic field at a) r= 6 cm and b) r= 20 cm. (use ampere slaw)
An acre, a unit of land measurement still in wide use, has a length of one furlong (1:8 mi) and width-tenth of its length. How many acres are in 3 square miles
A fighter jet is launched from an aircraft carrier with the aid ofits own engines and a steam-powered catapult. The thrust of itsengines is 2.10*105 N. In being launched from rest itmoves through a distance of 87 m and has a kinetic energy of4.50*1..
Determine the maximum deceleration it will experience and at what altitude? The capsule's BC is 1000 kg/m2 - what is the average drag acceleration ( in g's) we must attain?
When a beam of atoms emerges from an oven at the absolute temperature T, What is the most probable speed of a hydrogen atom emerging from an oven at 400K
A light ray is propagating in a crystal where its wavelengthis 531 nm. It strikes theinterior surface of the crystal with an incidence angleof 30°, Find the light's frequency
The index of refraction for a certain kind of glass is 1.645 for violet light and 1.615 for red light. A ray of violet light and a ray of red light are both incident on this glass from air and both have the same refraction angle of 31.12o. What is th..
A high-voltage transmission line with a resistance of 0.30 /km carries a current of 1050 A, What is the power loss due to resistance in the line
what is the energy dissipated in the resistor for a battery with an emf of 12 volts connected to a 545-ohms resistor
A 1700 kg car travelling at a speed of 15m/s skids to a halt on wet concrete where f_k =.5. How long is the cars skid marks.
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