A cyclist in a race must climb a 5° hill at a speed of 8 m/s. If the mass of the bike and the biker together is 80 kg, what must be the power output of the biker to achieve the goal?
Q: The equivalent capacitance of the circuit in the following graph is
A: Capacitance is series given as, Ctotal=11C1+1C2+...1Cn
Q: The quantity F•v is ______? a.kinetic energy b.potential energy c.power d.work done
A:
Q: Exergy (Work Potential) Associated with Kinetic and Potential Energy.
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Q: (a) What is the average power consumption in watts of an appliance that uses 2.79 kW · h of energy…
A: Given , Energy(E) = 2.79 kW.h OR. E= (2.79)(3600)kilojoule E= 10044 kJ
Q: How much work must be done by frictional forces in slowing a 1,599-kg car from 14.7 m/s to rest?…
A:
Q: How much work is done by the gravitational force when a 175 kg pile driver falls 6.0m ?
A: Mass, m = 175 kg Distance moved by object, d = 6 m
Q: PROBLEMA 7: Un jugador de hockey da un golpe al disco ejerciendo sobre él una fuerza de 30N durante…
A:
Q: What is the Vmin and Vmax of this figure?
A: The current flowing in the circuit is I=VsR1+R2=12100+50I=0.08 A
Q: A large household air conditioner may consume 13.0 kW of power. What is the cost (in $) of operating…
A:
Q: 5. bhat power in KW 1s Kupplied to a 12 hp mo tor having an effiaenay of qo percent chen it is…
A: Input powerPin. Given, motor horsepowerhp=12 hpefficiencyη=90%=0.90
Q: 2. I=_mA E-24 V= P = 12 W
A: Given value--- power = 12 W. battery voltage E = 24 V. We have to find--- current?
Q: Derive relationship of Power (a secondary dimension) in terms of primary dimensions
A: Any quantity can be defined in terms of primary quantities which are mass, length , time and…
Q: ft·lb to hr kg•m power of 200
A: 1 Pound Foot per hour is equal to 50 kilogram Meter per Second
Q: What is the approximate cost of operating a 80 W light bulb for 3.0 h per day for 2 weeks, if…
A: Q9. The given data we have Rating of the bulb: 80W Total time the bulb was operated: 3.0h per day…
Q: 2. How much work is done by 15 kW engine during 3.5 min?
A: Given value--- power = 15 kW. time = 3.5 min . We have to find--- work ?
Q: 17. Which of the following must occur for work to be done on an object? O the object must rotate the…
A:
Q: 10) A floor polisher supplies an average of 1000W of power. If the floor polisher is used for 10…
A: Given: The average power is 1000 W. The time interval is 10 min.
Q: What is the difference between when work is done by a system and when work is done on a system
A:
Q: A large household air conditioner may consume 15.0 kW of power. What is the cost of operating this…
A: The total time in hours for which the air conditioner operates is
Q: 0. is defined as the rate at which work is done
A: We know that power P=Wt Rate of doing work.
Q: Compute and provide solution 1. A 23.2 kg boy fell 0.900 m out of the bed. Hom much potential…
A: Given, Mass = 23.2 kg Height = 0.900 m
Q: can a potential energy be negative? or it should always be positive?
A: Potential energy can be positive , zero or negative . It is a relative term which depends on…
Q: 28. How much work is done lifting a 3-m chain over the side of a building if the chain has mass…
A: Required : Work done in lifting a chain.
Q: 3) How much time does it take to do 9,560 Joules of work with 860 watts of power? -
A: solution is given by
Q: A perticle movige elone the x-exiS experiences he Jočce shown How much work is oone on Jhe fchele…
A:
Q: When is potential energy largest? Why?
A: Potential energy of any object is the energy possessed by the object by virtue of position (or…
Q: 1. Show that the vectors A=2î – 31– k and B= -6î + 9ĵ + 3k parallel. are ANS:
A:
Q: When is kinetic energy largest? Why?
A: Introduction: Kinetic energy is defined as the energy of an object due to its motion.
Q: 33. Energy is a _________ quantity. a. Scalar b. Vector
A: Energy is defined as the capacity of doing work.
Q: Find the value of force applied if work done is 460 J and displacement is 30 m
A:
Q: 17.) How much work is done when a force of 3000N moves its point of application 0.4m in the…
A: Given data: Force (F) = 3000 N Displacement (d) = 0.4 m in the direction of force Required: Work…
Q: A stationery shop use the following electric appliances: () Three Air Conditioner of rating 2100 W…
A:
Q: Write detail about power its unit calculations and traditional units
A: We have to mention the detail about power, its unit calculations and traditional units.
Q: A Watt is a unit of energy/second charge/second energy/charge charge/energy
A:
Q: Would work remain the same and why?
A:
Q: An a particle (a helium nucleus (two protons and two neutrons)) is travelling through a bubble…
A: Given data: Magnetic field, B=0.5 T Radius of the circular path, r=174 μm=174×10-6 m Our question…
Q: What is the difference between the effort arm and the resistance arm in a lever?
A: A lever is a very simple machine, which helps in directing and magnifying the applied force. A…
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