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A golfer hits a ball on a level fairway at an angle of 40 degrees relative to the horizontal, and it lands on the green, another golfer hits the same ball with the same speed but with another angle and it lands on the green by the other ball. assume no air resistance, what is the launch angle of the second golfer?
a. 25
b. 30
c. 50
d. 40
e. 60
A building has two open doors facing the bay. The walls of the building absorb sound well, so multiple reflections can be ignored. find the distance d between the door centers
Susie Maroney from Australia set a women's record in long-distance swimming by swimming 93.625 km in 24 h. If she had a mass of 55 kg, how much kinetic energy did she have
Light visible to humans consists of electromagnetic waves with wavelengths (in air) in the range 400-700 nm (4.0 10-7 m to 7.0 10-7 m). What are the frequencies of electromagnetic waves that are visible
The flux in a transformer changes at a rate of 0.4 Wb/s. The primary coil has 40 turns and the secondary coil has 500 turns
The space shuttle is in a 250 km high circular orbit. it needs to reach 610 km high circular orbit to catch the hubble space telesope for repairs. how much energy is required to boost it to the new orbit
The motion of a very massive object can be minimally affected by what would seem to be a substantial force. how long will it take the tanker, starting from rest, to reach a typical cruising speed of 6.0 m/s
On the planet Arrakis, a male ornithoid is flying toward his stationary mate at 24.0m/s while singing at a frequency of 1190Hz. what is the speed of sound in the atmosphere of Arrakis
Nichrome wire of cross-sectional radius 0.750 mm is to be used in winding a heating coil. find the required resistance of the coil
It then increases it's speed at the rate of 1.55 m/s2. Find out the magnitude of acceleration under these new conditions. Answer in units m/s2.
Two students decided to fling balloons filled with M1=68.1 grams ofice water at coeds who are sun batheing on the roof of a sororityhouse two blocks east of the physics bulding. find the maximum angular velocity achieved by the trebuchet
In a model AC generator, a 505 turn rectangular coil 7.0 cm by 20 cm rotates at 124 rev/min in a uniform magnetic field of 0.56 T. What is the maximum emf induced in the coil
A laser beam produces light of wavelength 632.8 nm in vacuum. what is the index of refraction of the syrup solution
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