A 100 watt lightbulb consumes how many joules of energy in 1 second

Q: A 490 kg rocket sled can be accelerated at a constant rate from rest to 1500 km/h in 2.1 s. What is ...

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Q: Can water stay liquid below zero degree Celsius?

A: SURE! Water can stay in liquid state even when the temperature falls below zero degree Celsius.   

Q: Find density of body Mass=35 g Volume=8 cm3

A: Given value--- mass = 36 g. Volume = 8 cm3 . We have to find--- density?

Q: 1. Two small plastic spheres are given positive electrical charges. When they 15.0 cm are apart, the...

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Q: Instructions: Provide what is asked. Only thorough and explicit solutions are rewarded with full poi...

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Q: A balloon is ascending at the rate of 12 kph and is being carried horizontally by a wind at 22 kph. ...

A: Given : Balloon's speed = 12 kmph and wind speed = 22 kmph Time = 9 seconds

Q: Para llel Circuit R, = 452 R3 62

A: The circuit is given as  Now The resistance R1= 4 ohm,R2 = 5 ohm, and R3 = 6 ohm  The Voltage V = 5...

Q: A point charge of -3.8 uC is located at the origin and another point charge of -4.5 µC is located at...

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Q: A parallel plate capacitor has fixed charge. By what factor does the energy stored in the E change i...

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Q: Consider a projectile that is launched at some initial speed Vo at some angle ? to the horizontal. D...

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Q: What is the value of Tension 1? 45 m- 1o kg A) 87.91 N B) 37.5 N 75.12 N 72.06 N

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Q: What is the value of Tension 2? 45* Te

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Q: Determine the magnitude and direction of the electromagnetic force between the two charges 35C, -53C...

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Q: At what temperature will silver have a resistivity that is two times the resistivity of iron at room...

A: Answer is temperature T =88.52°C

Q: Given deta U=2mls =Smis -1o S Find accelencation

A: Given data : Initial velocity=U Final velocity=V Time=t   To find : Acceleration

Q: jennie throws her phone upward that weighs 55 newtons. the phone travels at a speed of 4 m/s and rea...

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Q: Two charges, one is 5 C and another is unknown but force between them is 75x10^13 N and they are sep...

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Q: An e- is accelerating through a potential difference V of 23 kV. How much KE it will gain [in J and ...

A: Given: potential difference ( V ) =  23 kV

Q: serves the ball with an initial velocity of 20.5 m/s at an angle of 18˚ from the horizontal, 1.2 m h...

A: Motion of projectile can be divided into x component and y component.

Q: A heat engine with an efficiency of 0.45 absorbs 540 J of heat per cycle. a. How much work does it p...

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Q: A force of 10 N is applied horizontally to a block. Also, a second force of 8 N is applied at angle ...

A: Given that:- F1=10 NF2=8 Nθ=450  

Q: Name: Subject: Section: At standard atmasphere pressure where X= 62-4 16/F°, a vertical be supported...

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Q: Giuen cdata Workdone =D7N Dioplacement= 2 m. Find twayk done

A: Given: Force  = 7 N  Displacement = 2m  

Q: There is an object travelling in uniform circular motion. The object has a mass of 2kg, the radius o...

A: Given data:  Mass (m) = 2 kg Radius (r) = 0.45 m Number of revolutions = 12 Time (t) = 8 s Required:...

Q: A body loses 392 J of potential energy in falling through 5 m. If the gravitational acceleration is ...

A: Express the relation for the potential energy lost by the body. PE=mgh Here, PE is the potential ene...

Q: • The capacitor is initially uncharged. Immediately after the switch is closed, before any charge ha...

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Q: (b) In which situations does the object's acceleration have a y component? 7 N 46N 2 N 3 N 2 N 5N. 2...

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Q: An elevator and its load have a combined mass of 1600 kg. Find the tension in the supporting cable w...

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Q: The energy emitted by visible light is considered as bundles of electromagnetic energy called photon...

A: Given that:- λ=5.3×10-7 mh=6.63×10-34 Jsc=3×108 m/sP=100 w   Energy of one photon is given by:- E=hc...

Q: Define Science Technology and Society as one.

A: Science, technology and society (STS) is the study of the relationships between society, politics an...

Q: 2. A person leaving home travels 15 m [E], then 21m [N], and finally 8.0 m [W]. What was the person'...

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Q: Calculate the force exerted between two charged objects separated by a distance of 0.6 m. One object...

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Q: Günen lata Workdne= N Dioplacement= 2 m Find ayk done

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Q: 1.11 Apply the grid method to calculate force using F = ma. a. Find force in newtons for m = 10 kg a...

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Q: satellites are in circular orbits around Jupiter. One, with orbital radius r, makes one revolution e...

A: Given  R1 = r  T1 = 36.6 h  R2 = 4 r  T2 = ? 

Q: apply displacement quantities in r

A: Displacement:-  We know that the displacement is the shortest distance between the initial position ...

Q: What makes electricity dangerous. The high current or the high voltage. Explain.

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Q: is 1.45. 3. A light ray travels from air to glass with an angle of incidence of 50 degrees. The ligh...

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Q: The membrane that surrounds a certain type of living cell has a surface area of 7.3 x 10-9 m² and a ...

A: Given  Area A = 7.3 × 10-9 m2    Thickness d = 1.3 × 10-8 m Dielectric constant k = 5.5 Potential di...

Q: Giuen clata Workdne-7N %3D Dioplacement= 2m %3D Find uauk done

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Q: 4. Powdered fruit-flavored drink mixes use 1 cup of sugar to ½ gallon of water. Sugar contains 15 ki...

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Q: Example of wire transfers in the Philippines?

A: It is about the US-based western association that is giving the office to move assets through electr...

Q: A high-speed dental drill is rotating at 3.14 × 104 rad/s. Through how many degrees does the drill r...

A: Given data:  Angular velocity (ω) = 3.14×104 rad/s Time (t) = 2.30 s Required: Angular rotated (θ) i...

Q: Playing jackstone as a kid, you discovered that there is a certain time before the rubber ball falls...

A: Given that:- u=4.98 m/sg=9.8 m/s2h=33.78 cm=0.3378 mt=?v=?

Q: 9. When a force of 550N pushes on a 35 kg box as shown, the acceleration of the box up the incline i...

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Q: As shown in Figure 1, a force of 300N pushes on a 35 kg box. Starting from rest, the box achieves a ...

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Q: A stone is thrown vertically from a top of a height of 59.43 m. at the speed of its vertical vehicle...

A: Taking upward direction as negative and downward direction as positive.   Given that:- u=-19.5 m/sh=...

Q: Ff the rate at which the current in a coil is doubled, how would its back EMF change?

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Q: A coffee-cup calorimeter contains 55.0 g of water at 25.90° C. If 4.21 g gold metal at 89.20° C is p...

A: Given that  mw=55 g                    mg=4.21g                    Tw=25.90 o C                    T...

Q: A cheetah is squatted 25m to the east of a vehicle. At time t = 0 the cheetah begins to run due east...

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