Resistance Power
Posted in Training Equipment on 12/26/2009 10:04 am by adminResistance Power
Check out this page if you are looking for Resistance Power
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 Ultrabreathe the Ultimate Martial Arts Training Aid  US $26.95
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 EAGLE CATCHER Hand Finger Gripping Strength Training Exercise MMA Martial Arts US $20.90
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 HAYABUSA TOKUSHU 4 oz MMA GLOVES BLACK SLATE GRAY MEDIUM bag training hybrid US $74.99
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 II Sports Karate Thai Boxing Kicking Kick Striking Shield Air Pad Target NEW US $79.99
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 SPORTS BREATHER TRAINER EXERCISER INCREASE LUNG POWER ENDURANCE US $29.95
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 TITLE GEL CONTOURED LEATHER PUNCH MITTS boxing focus kick pads US $82.50
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 Power Punch 50 LB Fighting Trainer Speed Strength and Endurance Training US $36.99
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 EVERLAST SHADOW BOXER glove bag boxing mma training gym US $25.50
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 CSK Pro Speed Bag Speed Ball Punching Ball Boxing MMA Punching 10x7 Black US $25.99
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 Theraband Thera band Flexbar Flex Bar BLUE US $23.94
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 HAYABUSA TOKUSHU 7 oz HYBRID MMA GLOVES BLACK XL bag training mma US $79.99
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 Century Power Punch Kit Brand New never opened retails $2999 US $7.99
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 BRAIN PAD ANTI MICROBIAL MOUTHGUARD CASE mouth guard US $9.30
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 HAYABUSA TOKUSHU 7 oz HYBRID MMA GLOVES BLACK MEDIUM bag training mma US $79.99
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 HAYABUSA TOKUSHU 7 oz HYBRID MMA GLOVES WHITE MEDIUM bag training mma US $79.99
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 Elevation Training Mask High Altitude MMA Black Sean Sherk US $89.98
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 KWON SHIELD LARGE TAKWEONDO KARATE KICK TRAINING US $69.00
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 NEW COVERED RESISTANCE CORD WORKOUT KIT IOB US $12.50
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 HAYABUSA TOKUSHU 4 oz MMA GLOVES BLACK SLATE GRAY XL bag training hybrid US $74.99
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 HAYABUSA TOKUSHU 7 oz HYBRID MMA GLOVES WHITE XL bag training mma US $79.99
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 HAYABUSA TOKUSHU 7 oz HYBRID MMA GLOVES WHITE LARGE bag training mma US $79.99
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 HAYABUSA TOKUSHU 7 oz HYBRID MMA GLOVES BLACK LARGE bag training mma US $79.99
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 PUNCHTOWN AKURO ULTRA LIGHTWEIGHT FOCUS MITTS pads boxing mma thai punch US $78.50
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 TITLE GEL CONTOURED PUNCH MITTS WITH TAP PAD boxing mma focus kick thai US $82.50
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 KWON SHIELD SIZE MEDIUM TAKWEONDO KARATE KICK TRAINING US $59.00
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 TITLE MMA GEL ELITE THAI PADS kick mitts boxing punch US $139.50
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 Power Punch 50 LB Boxing Trainer Speed Training Endurance Training US $36.99
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 Power Punch 30 lb MMA MMA Training Power Punch Striking Power US $34.99
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 Practice Bolo Swords Pair Set Escrima Modern Arnis Martial Arts Training DVD US $39.96
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 Power Shield Air Pad Target Tae Kwon Do Karate MMA JKD II Sports Kicking Kick US $79.99
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 II Sports Kicking Power Striking Shield Air Pad Target taekwondo jeet kune do US $79.99
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 Focus Pads Focus Mitts ART 1025100 cowhide leather US $29.99
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 HAYABUSA TOKUSHU 4 oz MMA GLOVES BLACK SLATE GRAY LARGE bag training hybrid US $74.99
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 MMA Fitness Training Workout Last Round Trainer US $19.99
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 Power Punch 70 LB Fighting Trainer Speed Strength and Endurance Training US $38.99
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 Power Punch 60 LB Fighting Trainer Speed Strength and Endurance Training US $36.99
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 Power Punch 40 LB Fighting Trainer Speed Strength and Endurance Training US $34.99
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 Power Punch 30 LB Fighting Trainer Speed Strength and Endurance Training US $34.99
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 Power Punch 20 LB Fighting Trainer Speed Strength and Endurance Training US $34.99
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 Power Punch 70 LB Boxing Trainer Speed Training Endurance Training US $38.99
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 Power Punch 60 LB Boxing Trainer Speed Training Endurance Training US $36.99
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 Power Punch 40 LB Boxing Trainer Speed Training Endurance Training US $34.99
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 Power Punch 30 LB Boxing Trainer Speed Training Endurance Training US $34.99
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 Power Punch 20 LB Boxing Trainer Speed Training Endurance Training US $34.99
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 Power Punch 70 lb MMA MMA Training Power Punch Striking Power US $38.99
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 Power Punch 60 lb MMA MMA Training Power Punch Striking Power US $36.99
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 Power Punch 50 lb MMA MMA Training Power Punch Striking Power US $36.99
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 Power Punch 40 lb MMA MMA Training Power Punch Striking Power US $34.99
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 Power Punch 20 lb MMA MMA Training Power Punch Striking Power US $34.99
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 Lifeline USA TNT Special Triple 40lb Resistance Cable US $33.99
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 TITLE BOXING GEL BODY PROTECTOR mma belly pad kick US $109.50
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 TITLE Gel Contoured Punch Mitts muay thai kickboxing mma boxing training punch US $82.50
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 SPIN KICK Roundhouse Jump Kicking Target Pad Strength Training MMA Martial Arts US $29.90
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 HAYABUSA TOKUSHU 4 oz MMA GLOVES WHITE SLATE GRAY LARGE bag training hybrid US $74.99
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 HAYABUSA TOKUSHU 4 oz MMA GLOVES WHITE DARK ORCHID SMALL bag training hybrid US $74.99
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 HAYABUSA TOKUSHU 4 oz MMA GLOVES BLACK DARK ORCHID SMALL bag training hybrid US $74.99
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 HAYABUSA TOKUSHU 4 oz MMA GLOVES WHITE SLATE GRAY MEDIUM bag training hybrid US $74.99
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 HAYABUSA TOKUSHU 4 oz MMA GLOVES WHITE SLATE GRAY XL bag training hybrid US $74.99
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 KWON SHIELD LARGE TAEKWONDO KARATE KICK TRAINING US $69.00
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 KWON SHIELD SIZE MEDIUM TAEKWONDO KARATE KICK TRAINING US $59.00
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 MMA Power Push Up 60lb Arm Exercise US $45.99
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 Power Kicking Trainer HEAVY BAND Kick Training Soccer US $39.95
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 MMA MMA Training Cables Workout Cables US $50.94
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 Power Kicking Trainer Kick Training Soccer MEDIUM BAND US $36.95
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 MMA Bag Gloves New Title Gel Bk Wh Grappling Regular US $27.00
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 MARTIAL ARTS SPECIFIC TRAINING PROGRAM BONUSES US $47.00
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 New Hayabusa Pro Mesh MMA Gear and Apparel Bag US $59.99
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 Century Power Punch Kit New Includes Free Exercise Chart US $25.00
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find current and back emf given constant emf, resistance, power, and initial current?
A dc motor is connected to a constant emf of 18.0 V. The resistance of its windings is 2.0 . At normal operating speed, the motor delivers 8.0 W of mechanical power.
The initial current drawn by the motor when it is first started up is 9A.
(b) What current does it draw at normal operating speed?
(c) What is the back emf induced in the windings at normal speed?
b)
if motor is 100% efficient
mechanical power out = electrical power in
8.0W = 18V x current
so current = 8/18 = 0.444A
c)
supply voltage - back emf = current x resistance of winding
18.0V - backemf = 0.444A x 2 Ohms
backemf = 18 - (0.888) = 17.112V