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Q: A pigeon is walking around a courtyard, looking for food. The pigeon walks 6 m west, 3 m north, 9 m…
A: The diagram representing the displacement of the pigeon is given below
Q: I have 72 lightbulbs in my house. 53 of these lightbulbs are 65 watt and the other 19 lightbulbs are…
A: Determine the energy used in 1 year by 53 bulbs of 65 watts as follows.
Q: The average electricity consumption of a house in Gainesville is known to be 924 kWh in a month (One…
A: Introduction: 1) kWh is the unit of energy and is defined as consumption of one kilowatt power in…
Q: ase answer number 4
A: Given:- 1200-watt microwave oven, if you make microwave popcorn in 5minutes price per kWh is 13.267…
Q: Four light bulbs, rated at 100 W, 75 W, 50 W and 25 W each, are in parallel. What is the total power…
A: Given Data, Power of the four bulbs are = 100 W, 75 W, 50 W, 25 W
Q: A = 1i - 0.5j, B = 1i +1j, calcuate the dot product of A and B. O A. 0.5 OB. 1.0 O C. 1.5 O D. -0.5
A: Given data: Two vectors A and B A = 1i - 0.5j B = 1i + 1j Required: The dot product of vector A and…
Q: For each of the following, is W-R positive, negative, or zero? A B F ф B d A d B W- is is WA-B A B A
A: The expression of work done is given by, W=Fdcosϕ Here, F is the force, d is the distance traveled,…
Q: Match the definition of the correct terms. There are more terms than definitions. A tool to help…
A: Required : To match the definition of the correct terms.
Q: e energy cost per onth for operating 15- fluorescent lamp (40 Watts) for 150 hours ea nditioning…
A: Cost of 1 kWh = P 7.00
Q: Explain the difference between energy and power. If a household has an average annual energy…
A: Difference between energy and power? if E=8500 Kwh , find P= ? how power consumptions varies during…
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A:
Q: How many Ergs are there in 1 Joule? a) 10 b) 104 c) 107 d) 109
A: To find: How many Ergs are there in 1 Joule
Q: I said number 6 for a reason, I didn't just put a random #6 now I have to use another question and…
A: Have a look dear
Q: X- The higher the wattage of an appliance, the greater the electrical energy consumption. Y- Energy…
A: wattage measures the consumption of electrical energy. The energy per unit time is known as power…
Q: An electric heater of 1000 W is used for two hours in a day? What is the cost of using it for a…
A:
Q: Q4. what is not true about energy? O Energy can be stored. O Energy can move from one object to…
A: According to Energy Conservation: Energy cannot created and cannot be destroyed, it can only…
Q: Calculate the energy used per day (kWh) of a car with an efficiency of 14 kilometers per liter and…
A:
Q: Enter the number of electrons in each energy level (shell) for each of the elements. If the energy…
A: The Helium (He) atom has atomic number 2 and therefore it has 2 electrons.
Q: Your Lecturer in class made the following statement: "We do not buy electrons from Eskom but we buy…
A: Given Power of hairdryer P=1200W=12001000kW=1.2kW Time it is run t=30 min=3060hr=0.5hr 1kWh cost…
Q: The total consumption of electrical energy in the United States is about 1.37 x 10¹9 joules per…
A: Total consumption of the electrical energy
Q: An energy intensive appliance draws a power of 1200 Watts. Suppose it is left on for one whole day…
A:
Q: An ice cube is placed in a microwave oven. Suppose the over delivers 105 W of power to the ice cube…
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Q: 12.. Buying electricity Here is an extract from our electricity bill, The coloured text has been…
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Q: Chichay uses the washing machine which consumes energy at 300 Watts at normal washing speed. How…
A: Given(s): Power of the machine, P=300 W=0.30 kW It runs for, t=80 min=8060h=43 h Cost of…
Q: Ig = Ic + IB = IB (B+1) %3D Home Work (H.W.) %3D
A: Given:IE=Emitter currentIC=Collector currentIB= Base currentβ=gain or amplification factor of a…
Q: A) Design a 10.72 KWh fuel cell for space application. The hydrogen fuel is produced on-board of the…
A: Given that,Design a 10.72 KWh fuel cell for space applicationDensity of water = 1 g/cm3As we know…
Q: if w= 3i - ĵ +5K and D=45-2K compute ūxw
A: The cross product of the two vectors is given by A→ × B→ = A B sinθ n^ where, n is the unit vector…
Q: 02 01 T2 T1 In the figure, if 0, = 02 = 0, then
A: Free body diagram:
Q: What is the wattage of a light bulb that uses 35 J of energy in 7 s?
A: given, Energy = 35 J time = 7 s Therefore, the wattage of the light bulb =…
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: An air conditioner, 6400 watts, is used only 4 months out of a year. On a typical day it is used…
A: We first convert the wattage to kilowatts and then use hours operated everyday to find the number of…
Q: Calculate the number of kilowatt-hours (kW-hrs) consumed in a week by two 60-Watt incandescent light…
A:
Q: A thin long bar with axis of rotation through one end has a mass of 0.500 kg and a length of 10 cm.…
A:
Q: Use the definition of scalar product, a ab cos 0, and the fact that a b = axbx + ab + a₂b₂ to…
A: Vectors as and Find:Angle between and
Q: How much energy does a 100-W light bulb use in 80.0 hours? O 13 kWh O 800 kWh O 8.0 kWh 0.80 kWh
A: Given data: Power (P) = 100 W Time (t) = 80.0 h Required: Energy (E)
Q: The dimensions of Power is Select one: O a. ML2T-1 O b. MLT-1 O c. ML2T-2 O d. ML2T-3 O e. MLT-2
A:
Q: 1. Convert the info related to the specification and performance of the 718 cayman GT4above to SI…
A: Part 1. a. Maximum power = 414 hp In SI unit 414 hp = 304290 W b. Speed in time 4.2 s = 0 to 60 mph…
Q: A If an object moves with constant velocity, acceleration is zero. (True] / [False] SI unit of power…
A: A. The acceleration is defined a the rate of change of velocity. So, when the velocity is constant,…
Q: ED light bulb uses energy of 3W. What is the electrical energy is used if the light is on for 2…
A:
Q: True or False: Machines ONLY increase the amount of work that is done. A True B False
A: Solution: Given: True or False. Machines ONLY increase the amount of work that is done. A. True B.…
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