An object has 400 J of energy when it is traveling at 7 m/s, what is its kinetic energy when it is traveling at 28 m/s? KE = unit Submit Question esc F1 17 80 F2 F3 72 @ #3 8880 F4 $ 84 MacBook Air F5 % olo 50 ab Q W R F6 66 & 7 T Y

Q: An object possesses 55 J of total energy. A force does -25 J of work upon the object. How much…

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Q: Friction slows a 3200kg truck down from a speed of 20m/s to a stop. It loses all its kinetic energy…

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Q: How much energy is needed to change the speed of a 1200 kg of a car from 15.0 m/s to 30.0 m/s?

A: Work energy theorem We know from the conservation of energy law that energy can neither be created…

Q: A 5 kg book is held 10 meters above the floor. How much gravitational potential energy does it have?…

A: Mass(m) = 5 kg Height(h) = 10 m Potential energy (E) = mgh g = gravitational acceleration g = 9.8…

Q: A 0.2 kg bullet is fired at a speed of 350 m/s. a.) How much kinetic energy does the bullet possess?…

A: Given: Mass of bullet, m=0.2 kg Speed of bullet, v=350 m/s   To determine: (a) kinetic energy  (b)…

Q: A 1000 kg car moves with a speed of 20 m/s. Suddenly the driver speeds up to 25 m/s, what is the…

A: According to the work-energy theorem, the work done on the car must be equal to the change in…

Q: What is the kinetic energy of a 12 kg object with a velocity of 10 m/s? *

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Q: S. A 10kg object is raised to a height of 20m. What is the magnitude of its potential energy?…

A: Given data,      Height  =  h       Mass  =   m      Acceleration due to gravity  =  g…

Q: A 5-kg block moves along the x-axis. Its position changes with time as x=6-8t where x in meters and…

A: Given, mass of the block m = 5 kg x = 6-8t2    We know that velocity v is v=dxdtv=d6-8t2dtv=-16t m/s

Q: A stone is thrown horizontally from top of a 7.2m high building with a speed of 4.2m/s. How far from…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Refer to the figure below. What is the velocity of the roller coaster at point C? Refer to the…

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Q: A truck travelling at a speed of 50 km/h has a kinetic energy of 600 kJ. If the speed of the truck…

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Q: 1. A 5.5 kg bird is flying 12 m above the ground. Potential energy of bird is calculated to be ? use…

A: Given that,Mass of bird : m = 5.5 (kg)Height on which bir flying : h =12 (m)Here we need to find the…

Q: What is the kinetic energy of a 1400 kg car traveling at 5.3 m/s? A. 7.4 x 103 J B. 2.0 x 104 J…

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Q: a toy car (0.50kg) runs on a frictionless trackand has an initial kinetic energy of KE =1.6. over…

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Q: An airplane heads due east at 110 m/s through a 25 m/s cross wind blowing from north to south. The…

A: Note: As per Bartleby's rule, only one question should be answered. Kindly resubmit the other…

Q: A 100 kg box has 5,000 J of kinetic energy. The coefficient of friction between the box is 0.4. How…

A: Given that Mass of the box m = 100 kg Kinetic energy K = 5000 J Coefficient of kinetic friction is μ…

Q: 4. A child of mass 42.4 kg slides down a slide 3.55 m high. a. Determine the gravitational potential…

A: Given:- The mass of the child is m = 42.4 kg  The child slid down from the height of h = 3.55 m…

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 kinetic energy of a 45 kg teenager running at a speed of 2.1 m/s? O 21.4 J O 94.5 J O…

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Q: Refer to the figure below. What is the velocity of the roller coaster at point C? Refer to the…

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Q: Part A What is the particle's speed at B? Express your answer with the appropriate units. VB =…

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Q: 1. A 10 kg at a mail facility slides down a 10 meter sorting chute. The height of the chute is 2…

A: As per guidelines we are suppose to do only 3 subpart from multipart question. Please post the rest…

Q: An athlete in the Olympic game covers a distance of 100m in 10s. His kinetic energy can be estimated…

A: Option d correct

Q: A 1400 kg car accelerates from 5 m/s to 10 m/s. The net work done by the car is VI V2 500 kJ 200 kJ…

A: Given: The mass (m) of the car is 1400 Kg. The initial velocity (u) of the car is 5 m/s. The final…

Q: A 5.5 kg bird is flying 12 m above the ground. Potential energy of bird is calculated to be ?  use g…

A: Given, mass of the bird m = 5.5 Kg Height on which bird flying h = 12 m We know the expression for…

Q: Calculate the potential energy of a 4.5 kg bowling ball that is on the ground. Assume that g = 9.8…

A: Mass, m = 4.5 kg Ball is on the ground means height is zero.  Acceleration due to gravity, g = 9.8…

Q: A huge truck of mass 10800 kg is moving with the same kinetic energy as a 1200 kg small car moving…

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Q: An 80 kg man walks up a 5 m high stairs. The increase in gravitational potential energy of the…

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Q: A car is moving with a kinetic energy of 80 J and is slowed down and stopped in a distance of 0.05…

A: Given data The kinetic energy of the car is KEi = 80 J. The final velocity of the car is zero as it…

Q: A block of mass 2.0 kg is moving to the right and changes its speed from 3.0 m/s to 1.0 m/s. Match…

A: Given data:  Mass (m) = 2.0 kg Initial velocity (Vi) = 3.0 m/s Final velocity (Vf) = 1.0 m/s…

Q: Starting from rest, a ball of mass 3 kg experiences a constant force of 9 N. What is the final…

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Q: rojected vertically upwa city of 20m/s at a hei gy at the ground level. 10J B. 20J C. 30J D. 50J

A: According to kinematics equation v2=u2-2gx Use the given values 202=u2-2×10×10u2=400+200=600 m/s

Q: Find the work done in joules by gravity as an object of the mass m=14 kg is raised up at constant…

A: Mass of object m = 14 kg Initial height h1 =34 m Final height h2 = 75 m g = 10 m/s²     Concept…

Q: A car travelling at a speed of 60 km/h has a kinetic energy of 200 kJ. If the speed of the car is…

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Q: A 95 kg man runs up a 20 m high stairs at a constant speed. If it takes him 8 seconds to reach the…

A: Given The mass of the man is m=95 kg. The height of the stairs is h=20 m. The time is taken by the…

Q: An accelerating object of mass m=12 kg is fired with an initial speed v;-5 m/s at a starting point.…

A: Given: The mass of the body is 12 kg. The initial velocity of the object is 5 m/s. The final kinetic…

Q: A 1.2-kg toy train is moving with a speed of 2.0 m/s. What is its kinetic energy?

A: Mass of object is m=1.2 kg Speed of object is v=2 m/s Note: 1 N=1 kg·m/s2 1 J=1 Nm Find: Kinetic…

Q: Find the magnitude of the net torque (in N.m) on the wheel shown in the Figure about the axle…

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Q: 5.3- at What is the kinetic energy of a 1400 kg traveling car 7.4x 10' J B 2.0 x 10 J 7.3x 10 J 2.8…

A: Given: Mass of the car, m = 1400 kg. Velocity of the car, v = 5.3 m/s.   To Find: The kinetic energy…

Q: An object of mass M-1.5 kg moves with a velocity (5.0 i-3.0 ) M/3. n the object to change its…

A: Given values:- Mass of object,(M)=1.5 kg -----(1) Initial velocity,(VI)=5i^-3j^ m/sec -----(2) Final…