1.) Why is it inportant to realize what is doing the work and what is having the work done on it in physics? 2.) When you get your bill from the electric company , are you paying for energy (work) or power? Why does it matter?
Q: Two identical dust particles that are an infinite distance apart are moving toward each other at…
A: Given data as per the question Velocity =4390 mskinetic energy= 135 j
Q: The observation deck of the CN Tower is approximately 345 m above ground level. Neglecting…
A: Given that- Height of the observation deck is h=345 m Mass of the lead ball is m=10 kg To…
Q: In the potential diagram to the right, if a -0.05C object were moved from point D to point A, how…
A:
Q: Matter, atom, physics, particle, natural science, energy, conservation of energy, and motion.…
A: Basic concepts: Matter is any object which has some shape and size due to which it possesses mass…
Q: An object having a mass of 0.79 kg falls from a height of 5272 m to 447.7 m. Calculate the work done…
A: Given : mass of the object, m = 0.79 kg Initial height , h1 = 5272 m Final height, h2…
Q: I need help finding how many types of energy radiant treatment for cancer has and what they are
A: Energy can be defined as the ability to do work. The energy stored in a battery is able to turn on…
Q: A car in a roller coaster, whose mass is equal to 200 Kg, starts from rest at a height of 50.0 m…
A: Part (a) Given: The mass of car is m=200 kg. The height of car at point A is hA=50.0 m. The initial…
Q: A kid on a bike coasts (No Pedaling) from the bottom to the top of a 25 m hill. What is the energy…
A: Given: The kid goes from bottom to top. The height of the hill is 25 m.
Q: If the efficiency of a coal-fired electrical generating plant is 35%, then what do we mean when
A: Law of Conservation of Energy: The Law of Conservation of Energy states that the total energy of an…
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: F 14 12 10 8. 4 2 4 6. 8. 10 12 Ax
A: To determine: Work done. Formula used: W = F.d Here, F is the force and d is the distance. In the…
Q: 27.) W out is always smaller than W in because when a machine is used, not all of the energy it…
A: 27. When a machine is used, due to the friction some of the input energy convert in to thermal…
Q: Q8 (a) (1) Distinguish between renewable and non-renewable energy sources giving an example of each…
A: We are allowed to answer only the first question. For solutions to other questions, please re-post…
Q: Can an object have energy when it is at rest? (If so PE or KE)
A: Kinetic energy is the energy possessed due to motion of a body. Kinetic energy = (1/2) mv2…
Q: When a person intakes 3000 kcal of food, he is able to do work requiring energy of 2500 kcal. This…
A: True and False: When a person intakes 3000 kcal of food, he is able to do work requiring energy of…
Q: A person is about to carry a 50 kg sack of rice on top of his head while walking for 20 meters…
A: Option B is correct Work done on sack of rice is 0 joules.
Q: Identify the type of energy in the following description: A rubber band has been stretched to twice…
A: A rubber band is an elastic substance that retracts to its original length once the force is…
Q: What are three forms of energy possessed by a system by ignoring the magnetic, electrical, and…
A:
Q: Problem 6: A toy cart is pulled a distance of 6.2 m in a straight line across the floor. The pulling…
A: Given data :- Displacement (along the floor) d = 6.2 m Pulling force Fp = 19.2 N Angle θ between…
Q: A man spends 2.4 kJ energy in displacing a body by 48 m in the direction in which he applies force…
A: Given, Work done by man, W = 2.4 kJ distance moved, d = 48 m time, t = 1.5 s
Q: Prof. K. took a Tesla Model S for a test drive. The car weighs 4,500 lb and can accelerate from 0 to…
A: Given: mass of car , m = 4500 lb = 4500×0.454 kg=2041.167 kg change in velocity, v = 60 mph time, t…
Q: 5. How much work is done (how much energy is required) to accelerate a 1987.5 kg car entering the…
A: Given: The mass of the car is 1987.5 kg. The initial speed of the car is 18.271125 m/s. The final…
Q: 3. Cart ( 284 g) on a ramp: Set the ramp so that one end of the ramp is 5cm higher than the other.…
A: from conservation of energy we have initial mechanical energy = final mechanical energy
Q: 2. calculate the kinetic energy of a 0.134kg baseball traveling at 21.6m/s 3. how much work was done…
A: Given that- Mass of baseball(M)=0.134 kg Speed(v)=21.6 m/sec To determine that calculate the kinetic…
Q: A 40.0 kg skier skis down a 12.0o slope from a height of 100.0 m to a height of 25.0 m. 1a) What…
A: Given data: The mass of the skier, m=40.0 kg. The angle of inclination of the slope, θ=12°. The…
Q: A 1200 kg car moving at 30.0 m/s come to a stop by skidding. a) How much work is done by friction…
A:
Q: 20 N is needed to slide a box across a room to the right at a constant speed: a) How many Newtons…
A: Let us consider the forces come into picture in the above case, i.…
Q: 1.) At different times what must be true about the sum of kinetic, potential, and thermal energies?…
A: We are allowed to give the explanation of first question only which is given below. Please repost…
Q: (a) How much work is done when you push a crate horizontally with 150 N across a 20 m school floor?…
A:
Q: 24. Which of the following is true about the kinetic friction force? I) It is a nonconservative…
A: 24. (I) Kinetic friction is a nonconservative force. => Yes this is true. Because the workdone by…
Q: 1). what is the speed of a 14 kN body at rest then falling from a height of 238 m. 2). How much…
A:
Q: 2. Power analysis For a given amount of energy, be able to calculate how long it can power something…
A: Yes, we can give an example of the above format. Energy E = X J Power P = Y MW
Q: What can be said about the speed of a particle if the net work done on it is zero? explain briefly
A: Given Net work done on particle is zero Wnet = 0 According to work energy theorem ,…
Q: 3. A rock weighs 700 g and has a potential energy of 1 500 J. What height is it found at?
A:
Q: How much energy does a 100kg object moving at 10 m/s have? a.) 500 J b.) 10000 J c.) 5000 J d.) 1000…
A:
Q: For each type of energy, give an example from the paragraph. When a car is running, it burns…
A: 1. Example of Electrical Energy: Power to the headlights and the electricity provided to make the…
Q: An object of mass 10kg falls from a height 50m to the ground. a.Calculate the potential energy…
A:
Q: 3. Determine the work done by gravity on a 5 kg bowling ball if the bowling ball.. a) Falls straight…
A: Part A. Mass of the ball = m = 5 kg Displacement travel when falls straight down = d = 8 m…
Q: DETAILS PREVIOUS ANSWERS X J OSCOLPHYS2016ACC 7.3.P.016. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER…
A:
Q: how to know if work is done towards the system or done by the system
A: In simple words if we give energy to system then this means work done on the system. also this means…
Q: Can you transform work to KE? If yes, how? If no, why?
A: Given: Can you transform work to KE? If yes, how? If no, why?
Q: Electric Bill. Your electric utility bill probably shows your energy use for the month in units of…
A: Given in question - 1kilowatt-hour = 1Kilowatt× 1 hour Bill = 900…
Step by step
Solved in 3 steps with 2 images