What is the maximum kinetic energy of photoelectrons ejected from sodium by the incident radiation of wavelength 450 nm?
Q: (a) What is the initial Potential energy of Tony? 608 J O 124 J O 62J O1823 J
A:
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: Complete Table 3: Using the controls on the simulation, explore the types of images produced as you…
A: Question 15: According to the table, the images formed by a diverging lens are always virtual, erect…
Q: How much work is done by a shopper in pushing her grocery cart by a force of 325 N througl 24.70 m?…
A: We know formula Work = force * displacement given , force = 325 N , displacement =24.70 m Work =…
Q: Please give the correct answer,Show complete work.
A:
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: When you parachute, you hit the ground with the same speed as free falling from a height of 4.5m,…
A: From equation of motion we know that v2= u2+ 2as . During freefall condition using initial velocity…
Q: 6 cm 30 nC 2 cm B
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Q: uld be. Assume no air resistance and that g-10 N/Ng Calculate, diagram, and label all forces. DON'T…
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Q: Base your answers to questions 71 through 75 on the following information. A ball of mass m is…
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Q: An electric car can go 150 km on a test track at a constant speed of 100 km/hr on one charge of its…
A: Given data: The distance traveled is d=150 km. The speed of car is v=100 km/hr. The new speed is…
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: There are many levers in the human but the most common one is 3rd 2nd 1st
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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: A 0.95 kilogram object is 145.43 meters above the ground. What is the object's potential energy at…
A: m = 0.95 kg h = 145.43 m
Q: Belly-flop Bemie dives from atop a tall flagpole into a swimming pool below. His potential energy at…
A:
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
A:
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: Explain the power you expended when running and walking in the stairs
A: Solution:
Q: 3. Consider the hydrogen atom as a small planetary system with the proton playing the role of the…
A: Here, the hydrogen atom is considered to be a system similar to planetary motion with the proton as…
Q: Does the escape speed for an object at the earth’s surface depend on the direction in which it is…
A: The angle of launch of the spacecraft does not effect the escape velocity of the object. Whatever…
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…
Q: Show how a change in ⁰F is equal to a change in R.
A:
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: A ball is on the edge of a table about to fall off. The height of the table is 1.25 m and the mass…
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Q: 35 mph in horsepower 35mph in watts
A: mph is the units of speed which is miles per hour and horsepower is the unit of power also watt is…
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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