What is the energy in joules of a photon in a radio wave from an AM station that has a 1530-kHz broadcast frequency? (Planck's constant h = 6.63 x 10-34 J.s)
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…
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A: We know formula Work = force * displacement given , force = 325 N , displacement =24.70 m Work =…
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Q: Please give the correct answer,Show complete work.
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Q: Please show all work and answer all parts
A: Given, Mass of baseball = 0.145 kg initial velocity = 40 m/s i final velocity = -40 m/s i
Q: velocity v at an angle 85. of 30.° above the horizontal. Projectile B is fired with velocity v at an…
A: 85.
Q: The S.I. unit for Potential Energy is Watt. Select one: O True O False
A:
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A: From equation of motion we know that v2= u2+ 2as . During freefall condition using initial velocity…
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Q: 1. Tom, the cat, is chasing Jerry, the mouse. Jerry runs past Tom at 10.00 m/s. At the same time…
A: Data We have velocity of jerry ,v=10m/s acceleration of tom ,a=3.00m/s2
Q: what distance from the stopping point did he apply his brakes?
A: Given initial speed u = 480 km/h
Q: 17. Which of the following must occur for work to be done on an object? O the object must rotate the…
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Q: Question 7 A 74 kg man climbs a flight of stairs 12 m high in 30 s. Ho
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Q: What is the potential energy of a 2.90-kg object at the bottom of a well 11.8 m deep as measured…
A: Given that: Mass of object is, m=2.9 kg Object is placed at the bottom of the well measured from…
Q: Q₁ = -2.0 C and Q2 = 4.0 C. If Q₁ is at the origin (x = 0.0 m) and Q₂ is at x = 1.0 m, then is the…
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Q: Calculate the dot product of the two vectors: A=i+4j-3k and B=j-2k O 10 O11 O 3 O -3
A: vector A = i+4j-3k vector B = j-2k
Q: Belly-flop Bemie dives from atop a tall flagpole into a swimming pool below. His potential energy at…
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Q: - A metal rod 0.95 m long moves with a speed of 2.4m/s perpen- dicular to a magnetic field. If the…
A: Emf induced between both ends of moving rod in magnetic field is, ε=vBl Given : Emf induced between…
Q: 3. A 70 kg package is suspended by two strings as shown below. The angle of the strings with respect…
A: The expression to solve for the net force acting along the vertical direction is as follows:…
Q: The work is done in one second, or one hour, or one year is called the power. True False
A: Explanation :- We know that rate of work done i.e., work done per unit time is termed as power and…
Q: A 35.0 kg man climbs a 6.0 m ladder. What is the potential energy of the man when he reaches the top…
A: Given data: Mass of the man (m) = 35kg Height of the ladder (h) = 6m Formula:…
Q: 5m 4 83 ,= +2u C = - 2 u C 83 = + 4u C FIND FORCE ON 81: THE NET
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Q: What is the potential energy of an airplane that is only 0.5489 km off the ground and weighs 4120 kg
A: Given that, an airplane that is only 0.5489 km off the ground. That means Distance, d = 0.5489 km…
Q: A certain handcrank generates power at 75W. How long will it need to be run to fully charge a…
A: Power: The energy per unit time is known as power. Power = Energy/time
Q: Explain the power you expended when running and walking in the stairs
A: Solution:
Q: A speed boat requires 80kW to move at a constant speed of 15 m/s.What is the resistance force of…
A: Resistance is a measure of the opposition to current flow in an electrical circuit. Here, we…
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Q: A traveler pulls on a suitcase strap at an angle of 31.6 degrees above the horizontal. if 566 J of…
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Q: Two protons start out a distance of 3 m from eachother; inititally the protons are at rest. They…
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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: 87. An artillery shell is fired at a target 200 m above the ground. When the shell is 100 m in the…
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Q: 35 mph in horsepower 35mph in watts
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Q: Free-Response Questions 7. Resolve F2 in the figure into its x and y components. 300 N F- 450 N F-…
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Q: A 1-kg iron bar lying flat on the table has no potential energy.
A: ANSWER- TRUE
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