A motor consumes 15 kJ in 0.854 minutes. Calculate its power.
Q: Water flows over a section of Niagara Falls at a rate of 1500 kg/s and falls 75 m. How many 60-W…
A: Given: The rate of fall of water is 1500 kg/s. The height of the fall is 75 m. The power of the bulb…
Q: KE (J) 그아 6 4 2 + t(s) 250 50 100 150 200
A: Power is defined as work done per unit time i.e. P = W∆t by the work-energy theorem change in…
Q: How much power is provided by a motor if it does 27 J of work in 3.0 seconds?
A: Work = W = 27 J Time = t = 3 s Power is defined as the work done per unit time. The mathematical…
Q: Which of the following is not a unit of power? a. J/s b. W⋅s c. ft⋅lbs/s d. hp
A: To find: which is not the unit of power?
Q: Calculate the power needed by a winch that makes 6.6 x 10^2 Joules of work in 5.00 minutes.
A: Power = work /time Work = 6.6×10^2 J time = 5min
Q: What is the maximum amount of work that a 600-W motor can do in 10 seconds?
A:
Q: A clock is powered by a 1.63 kg mass hanging on a chain passing over and engaging a 2.71-cm diameter…
A: mass = 1.63 kg diameter of pulley = 2.71 cm drop in weight = 2.682 m
Q: A large household air conditioner may consume 13.0 kW of power. What is the cost (in $) of operating…
A:
Q: Calculate the power dissipated in R5. R1-6n www R2-30 R3-6 n R4=2 n Rs =6n E= 19.8 V Rs =4n ww
A:
Q: Jenny is out trimming her hedges with a hedgetrimmer that has a 1500W power rating. If it takes her…
A: Let the power rating is denoted by P and the working time is given by t. Evaluate the energy (E)…
Q: How long will it take a 500-W motor to raise the 1000-N hammer of a pile driver 10 m?
A: Power of motor, P = 500 Watt (Watt = Joule /second) 1000 N hammer of pile driver, Distance to be…
Q: An average-sized home refrigeration unit has a 1/19−hp fan motor for blowing air over the inside…
A:
Q: What is the minimum power output of a small electric motor that lifts a 0.060 kg mass through 5.0 m…
A: Given data as per the question Mass to be lifted =0.060 kg
Q: cost of electricity
A:
Q: How long would it take a 600 W electric motor to do 17,500 J of work
A: Given data: Power (P) = 600 W Work (W) = 17,500 J Required: Time (t)
Q: Problem 2 When the parallel plate capacitor (below) gets a potential difference of 49 Volts, a…
A: Given data The charge stored is Q=-17.00 μC The potential difference is Vo=49 V The energy stored…
Q: How much time is required for a car engine to do 278 kJ of work, if its maximum power is 95 kW?
A:
Q: Which of the following is not a unit of power? Watt ft · lb/s J/s kW · h
A: The Power of a system is the capacity to do work by the system in unit time. Mathematically, it is…
Q: What is the yearly cost, in dollars, of operating such a clock if the cost of electricity is $0.125…
A: Power of clock (P) = 3.1 W cost of electricity = $0.125 per kWh
Q: The human brain consumes about 22 W of power under normal conditions, though more power may be…
A:
Q: An electric water heater consumes 5.00 kW for 2.00 h per day. What is the cost of running it for one…
A: Given: Power, P = 5 kW time,t = 2 hours Cost = 12 cents / kWh
Q: A clock is powered by a 1.58 kg mass hanging on a chain passing over and engaging a 3.65-cm diameter…
A:
Q: 4. How long is the time required to consume a power of 213 J/s generated by a working motor that…
A:
Q: n engine releases 1675 J of energy per cycle and performs 200J of work. What is the value of power i
A: Given Work done by the engine is W=200 J Time taken is t=0.89 s
Q: When a battery provides power to a hand-held fan, what kinds of energy are present and how do they…
A: Given: A battery operated hand held fan The law of conservation of energy states that the energy…
Q: C7 21.) If a hair dryer is rated at 1300 W, how much energy does it require in 6 minutes?…
A: Power=Work/time Work=Power X time
Q: A school is paying $0.12/kWh for electric power. To reduce its power bill,the school installs a wind…
A: Power generated per year
Q: How much power does it take a steam engine to do 6.8 × 10' J of work in 2.61 x 10° seconds? (answer…
A: Given data: Work (W) = 6.8×107 J Time (t) = 2.61×108 s Required: Power (P)
Q: Fariya, a 53 kg female was instructed by the trainer to perform exercise on cycle ergometer with a…
A: Given data: The mass of the female, m=53 kg. The resistance of the cycle ergometer, M=2 kg. The…
Q: maximum power transfer
A:
Q: An electric water heater consumes 7.13 kW for 3.85 h per day. What is the cost (in dollars per year)…
A: An electric water heater consumes 7.13 kW for 3.85 h per day. In a year, the heater consumes…
Q: What is the minimum power output of a small electric motor that lifts a 0.150 kg mass through 2.0 m…
A: Given data: Mass (m)= 0.150 lg Height (h) = 2.0 m Time (t) = 40 s Required: Power (P)
Q: A computer uses 1.62 x 10^4 J in one hour. What is the power used?
A: The energy usage of device is 1.62 ×104J in one hour. Power is the rate with respect to time at…
Q: maximum power consumption at load resi stor R,
A:
Q: Determine the work done by an electric motor lifting an elevator and its occupants weighing 2200 lb…
A: weight = m g = 2200 lbdistance between each floor = 15 fttotal height = h = 5 x 15 = 75 ft
Q: The amount of work a 0.60 kW electric drill can do in 1.0 minute is 0.6 J 36 J 0.6 kJ 36 kJ
A: Power is defined as the rate of work done. P=dW/dt dW=P*dt
Q: Calculate the number of kilowatt-hours (kW-hrs) consumed in a week by an 850- Watt window air…
A: Given,Power of Air conditioner =850 Watt
Q: The unit of Power (P) is
A: We have to answer the unit of Power (P)
Q: An ice cube is placed in a microwave oven. Suppose theoven delivers 105 W of power to the ice cube…
A:
Q: The connected load of a consumer is 2 kW and his maximum demand is 1.5 kW. The load factor of the…
A: Given data The connected load is Po=2 kW The maximum demand is Pm=1.5 kW The load factor is,…
Q: What is the work done by the walking man that uses a power of 24 J/s in 45 sec? handwriting answers
A:
Q: A clock is powered by a 1.56 kg mass hanging on a chain passing over and engaging a 1.11-cm diameter…
A: mass = 1.56 kg diameter = 1.11 cm weight drops by a height = 1.343 m
Step by step
Solved in 2 steps
