hor stands on the top of stark tower 425 m adn fights his brother loki using mjolnir his hammer. if his hammer has a mass equal to 300 billion elephants  cal it 4.5*10^15 kg what i the gaviation potential energy in J of jjolnir relative to the ground? use scientific notation to enter you answer. B. Loki tricks thor into dropping Mjolnir off stark tower. when the hammer has fallen one third of the way down the tower what is its kinetic energy in J? Hint you could find the speed then calculate the kinetic energy but there's an easier way...

Q: 3. A car is traveling with a velocity of 40 m/s and has a mass of 1120 Kg. The car has energy.…

A: Data provided: Velocity of car (V) = 40 m/s Mass (m) = 1120 kg Height of block (h) = 20 m Mass of…

Q: a teacher expands 4200 J of energy accelerating a 30 kj mass to 1.5 m/s^2 at a 15 degree angle. How…

A:

Q: An astronaut weighs 140 N on the surface of the Moon. If the astronaut is in a circular orbi about…

A:

Q: What is the mass of the 50-gram car, in kilograms? Set Hill 1 to 75 cm and the other hills to 0 cm.…

A: (A) 50 gram = 50/10^3 = 0.05kg (B) 75 cm = 75/10^2 = 0.75met, 0cm = 0met (C) U = mgh =…

Q: 2) How much kinetic energy does an 8kg object have if it is moving along the surface of the Moon…

A: 2. Given Data: The mass of the object is: m=8 kg The speed of the object is: v=10 m/s The speed of…

Q: A1.0kg mass has a potential energy of 1.0J relative to the ground when it is at a height of.…

A:

Q: If you have an object with a mass of 385 grams, and it is moving at a speed of 2.637 m/s, what is…

A: Given data:  Mass (m) = 385 g Speed (v) = 2.637 m/s Required: The kinetic energy in Joules

Q: Kinetic Energy is: KE = ¬mv², where %3D KE = kinetic energy, m =mass, and v = %3D velocity. What is…

A:

Q: Food fight! Someone throws a perfectly good hamburger across the cafeteria. What velocity does iy…

A: given mass m=0.35 kgKE=79 J

Q: 3. A 36-kg girl walks to the top of stairs that are 2.0-m high. How much gravitational potential…

A: Given:  Mass(m) = 36 kg  Height (h) = 2m

Q: Grogu is using the "force" to lift the Mandalorian who mass is 88 kg for 2.1 meters in 7 seconds. a.…

A: Given  Mass =88 kg Height=2.1 m Time=7 sec

Q: A 50 kg. diver getsready to dive from a 10 meter high diving board. How much gravitational potential…

A: The gravitational potential energy is given as  U = mgh where, m is the mass, g, is the…

Q: A 50 kg. diver gets ready to dive from a 10 meter high diving board. how much gravitational…

A:

Q: The total energy of an object at rest 10 m above the ground on a building is 200 J. The object is…

A: Given , Total energy at 10m above the ground = 200 J Height ,h = 10m acceleration due to gravity, g…

Q: 2. Write the kinetic, potential and total energy of a baseball having a mass of 0.145kg held 10…

A:

Q: 18. You perform an experiment involving the change of gravitational potential energy of a falling…

A: m = 5.19 kg mass of water (m') = 1.35 kg

Q: A1400 kg car can travel at a velocity of 15m/s. What is its kinectic energy?

A: Mass of the car, m=1400 kg   The velocity of the car, v=15 m/s

Q: 1.0-slug mass has a potential energy of 1.0 ft . lb relative to the ground when it is at a height…

A: Mass(m)=1.0 slug=32.1741 lb potential energy(U)=1.0 ft.lb gravitational acceleration (g)=32.1741…

Q: Write the kinetic, potential and total energy of a baseball having a mass of 0.145kg held 10 meters…

A: 1) Potential energy of baseball at height of 10 m above ground .and having mass 0.145kg PEi = mgh…

Q: 5. An electron strikes the screen of a cathode-ray tube with a velocity of 10 m/s. Compute its…

A:

Relativistic Energy and Momentum

According to classical physics, time flow is the same for every observer. But according to einstein's theory, time flow is different for different observers. The idea that time flow is not the same for all may sound strange because we may not experience this effect in everyday life. This effect is only observed when an object moves with some velocity comparable to the velocity of light. This velocity is termed relativistic velocity.