contains only vector quantities? A. mass‚ time B. force‚ velocity C. time‚ momentum D. acceleration‚ speed 2. An airplane heads due north with an airspeed of 75 m/s. The wind is blowing due west at 18 m/s. What is the airplane’s speed relative to the ground? A. 57 m/s B. 73 m/s C. 77 m/s D. 93 m/s 3. Two velocity vectors‚ v1 and v2 are shown. Which of the following best represents the resultant of the addition of the two velocity vectors? 4. A car travelling north at 20 m/s is later
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Muscle contractions are the way that humans are able to move within the enviornment that surrounds them. To be able to understand the complexity of movement‚ there needs to be an understanding of the gross and micro-anatomy muscle contraction‚ and an understanding of the physiology of muscle contraction. This paper will provide an explaination of both the anatomy and physiology of muscle contraction. Anatomy of Muscle Contraction There are three types of muslces within the human body: skeletal
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Intrapartum period Labor and delivery: Definition: labor is the process by which the products of conception are expelled from the body. Delivery refers to the actual birth. Adaptive Processes Defi nition: during latter months of pregnancy‚ the fetus adapts to the maternal uterus enabling it to occupy the smallest space possible. The term Attitude refers to the posture the fetus assumes in utero; fetal lie is the relationship of the long axis of the body to the long axis of the mother. Presentation:
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Electricity Crisis (Load shedding) in Nepal INTRODUCTION Nepal is being ravaged by the electricity crisis. The electricity crisis of this millennium began in 2006. Nepal saw the last electricity crisis of the last millennium in 1999 and‚ with the commissioning of Khimti project in 2000‚ there was no load shedding through till 2005. Nepal was grappling with the problem of flood in the first week of August 2008‚ with resultant loss of life and limb as well as property in the hilly areas and
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Viany Reyes November 08‚ 2011 Dr. Dunaway Neuronal signaling in muscle contraction is triggered when an action potential reaches the neuromuscular junction. At this junction‚ acetylcholine (ACh) is the main neurotransmitter. Packaged in vesicles‚ ACh fuses with the neuron’s membrane and is released into the synaptic cleft. ACh diffuses toward the motor end plate and bind to the neurotransmitter receptor on it. The muscle fiber is then triggered to produce an action potential of its own
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Theme: Energy Learning Area: 2. Heat Learning Objective: 2.4 Applying the principles of expansion and contraction of matter Learning Outcome: A student is able to: • Apply principle of expansion and contraction of matter in solving simple problems Materials: Activity sheets 1 – 5. (provided to the groups during the previous class)‚mahjong papers and marker pens‚ LCD projector Teacher: Good morning boys and girls. What have you learnt yesterday? Teacher waits and listens to students’
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Excitation Contraction Coupling Process The sequence of events that converts action potentials in a muscle fiber to a contraction is know as excitation contraction coupling. In order for a skeletal muscle fiber to contract‚ it has to get a signal from the nervous system. The part of the nervous system that it gets a signal from is called a motor neuron. An electoral signal‚ called an action potential travels down the axon and to the axon terminal. At the end of the motor neuron are structures
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I’m pretty sure we have had this discussion before so i’ve got one of my old copypastas from a previous thread. >> Force travels through solid objects at roughly the speed of sound in that object‚ if you force a piece of an object to move at greater than the speed of sound through that medium it will simply tear whatever is holding it together without transmitting force to the surrounding structure. this gives a kind of hole punch effect if the projectile is moving faster than the speed of
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of voltage to the load for the distribution system to show this we design the circuit where we show that how we make the constant voltage by changing the voltage using tap changer‚ we use instruments for making the constant voltage is micro controller. The equipment used for this project are two transformers‚ one for power supply and another for tap changing‚ LCD is used for displaying the value‚ dc motor is used as load‚ MC is used for
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During this coursework‚ I would be investigating the concept of relational contracting and how it is used in the real world‚ this would be followed by a full explanation of the advantages and disadvantages of relational contracting‚ supported by real case studies and how some of the advantages in turn might lead to the saving in transaction costs. Managing the relationship between various parties is becoming crucial as the industry is moving from fragmented and adversarial ways of working. Under
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