the Bouyouco erature of 20 C eight, then the
Q: if the book fals of the shelf, what will be its speed when it hits the ground.
A: Every object has two types of energies. They are Potential energy and Kinetic energy. Potential…
Q: A form of energy that permits human eye to see.
A: The only one form of energy exists which permits human eye to see is light energy.
Q: In a planetary system, p-h-y-s- av10 3 cated on the Milktea Way galaxy, seven identi- nets with mass…
A: The gravitational force is given as F=Gm1m2r2 where F is the gravitational force, G is the…
Q: Scenario #1: A flower with a height of 3cm is placed 7.5cm away from a concave lens that has a focal…
A: Given : u=-7.5 cm f=-10 cm h∘=3 cm
Q: You tell your friend that no machine can possibly put out more energy than is put into it, and your…
A:
Q: A 70- kg man can store about 120000 kcal of energy as fat. How far could such a man run on this…
A:
Q: 9. Which of the following will increase the amount of energy stored in the magnetic field of the…
A: 9) The energy stored in Magnetic field of the inductor is E=12LI2 To increase the stored energy…
Q: From an applied "hands-on" point of view
A: First we talk about conservation of energy so,the ball is jumped in the high level of the ground and…
Q: what kin of energy is produce when water in tank is positioned 5 feet above the ground level
A: The Question being asked is "what kind of energy is produced when water in tank is positioned 5…
Q: In the Projectile Motion lab a student measures the height of the projectile launcher off the floor…
A:
Q: On flat ground, a 70 kg person requires about 300 W of metabolic power to walk at a steady pace of…
A:
Q: A 5 Kg block moves with veocity of V= (6i + 8j) m/s. its kinetic energy is
A: Velocity v=(6i+8j) m/s Mass= 5kg Kinetic energy k?
Q: A 4 kg cart moving at 5 m/s collides with a 6 kg cart that is at rest. The collision is perfectly…
A: Given that-Mass of cart 1, m= 4 kgInitial velocity of cart 1, u1= 5 m/sMass of cart 2, M= 6…
Q: Two railroad cars, each of mass 5094kg and traveling 82.8km/h in opposite directions, collide…
A: Given speed of both car v= 82.8 km/h =23 m/s Mass of each car M= 5094 kg According to law of energy…
Q: If speed of wind is increased by 3 times, Power of wind
A: Given: Speed of wind increases by 3 times. The power of the wind.
Q: How fast a small car of 1573 kg move to have the same kinetic energy as a 69.8-kg sprinter…
A: mass of car = 1573 kg mass of sprinter = 69.8 kg speed of runner = 9.35 m/skinetic energy of…
Q: Discuss the Law of Conservation of Energy
A: ( Law of Conservation of Energy ) Law of Conservation of Energy states that energy can neither be…
Q: 7 in. Moments. For the two (pure) couples shown, determine the components of the single equivalent…
A: We Nedd to add two equal and opposite to the 20 lb forces at point A.
Q: Because of the heat, can work be done?
A: Yes, absolutely the heat can do work.
Q: The two ways we can move energy around are called and
A: there are two ways we can move energy around- 1) Electrically- by electrically process energy move…
Q: each of mass 8400 kg and traveling at 83 km/h, collide head on and come to rest. How much mechanical…
A: GivenTwo railroad cars, each of mass 8400 kg m1=m2=8400 kgu1=u2=83 km/h
Q: Why wouldn't potential energy change when a balloon is dropped to the ground?
A:
Q: 76. A simple pendulum is swinging back and forth through a small angle, its motion repeating every…
A:
Q: Flapping flight is very energy intensive. A wind tunnel test on an 89 g starling showed that the…
A:
Q: You are offered a portable fan by an inventor that is more efficient than those sold in department…
A: Input power, Pi=20 WDischarge rate of mass, m˙=0.25 kg/sVelocity, v=8 m/s
Q: 0 Pablemes 95kg Energy A Cal. PE, KE and velocity of the basl at points B and C 25m 13 12 m L 5m
A: mass (m) = 95 kg HA = 25 m HB = 5 m HC = 12 m Total mechanical energy = m×g×HA= 95×9.8×25= 23275 J
Q: The anti-craft shell is fired vertically upward with a muzzle velocity of 488m/s. Find the - Maximum…
A: given- initial velocity of shell ( u ) = 488 m/s
Q: What happens to the gravitational potential energy whenwater at the top of a waterfall falls to the…
A: Gravitational potential energy
Q: A mini fan being displayed on streets is supplied with 15 W of electricity and can release
A:
Q: When you pedal a bike, how is wasted energy transferred to surroundings?
A: Introduction: When a person pedals a bike the mechanical energy produced by the body of the person…
Q: How energy is conserved during rocket launch??
A: To understand draw a free body diagram of the rocket.
Q: On average, how much energy do humans radiate each second?
A: If we assume that total energy emitted by human is in form of heat then total heat emitted per…
Q: The principle of conservation of energy is represented by
A: For conservative forces, the total mechanical energy (= potential energy + kinetic energy) is…
Q: Evaluate the kinetic energy of a unit weight, in meters, flowing at 4m/s
A: kinetic energy is given by K = mv2/2. Here, k = kinetic energy m = mass = weight/g = (1/ 9.8)m/s2.…
Q: Scissors for cutting paper have long blades and short handles, whereas metal-cutting shears have…
A:
Q: Example 3: Variable acceleration Given that the velocity of a particle changes with time such that (…
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Q: n 80 kg football player is running at 2.2 m/s. He slows down, coming to a complete stop in 5 s.…
A:
Q: Discuss the relative effectiveness of dieting and exercise in losing weight, noting that most…
A: To burn the stored fat or to lose weight a person has to follow both dieting and exercise. The…
Q: State law of conservation of energy.
A: Statement of Law of conservation of Energy:The law of conservation of energy states that energy can…
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