Which of the following has no kinetic energy? A. A rotating propeller on a moving airplane B. A pendulum at the bottom of its swing C. An elevator standing at the fifth floor D. A cyclone E. A shooting star

Q: If a 0.50 kg ball is moving at a speed of 12 m/s what is the kinetic energy of the ball? Equation is…

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Q: Is it possible for a system to have negative potential energy? O Yes, since the choice of the zero…

A: Potential energy is the energy due to the position of an object above the surface of earth.

Q: Using the principles of energy and conservation of energy, determine how the velocity of an object…

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Q: 1. When .x=0, the spring is unstretched. For the motion when initially x₁ = 100 mm to the moment…

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Q: A skier is gliding down a gentle slope at a constant speed. What energy transformation is taking…

A: K denote kinetic energy.Ug denote gravitational potential energyEth denote thermal energy.Skier is…

Q: As you walk, your body moves up and down. If you are wearing a backpack, the motion of your body…

A: Hi. Since you have posted a question with multiple subparts and not specified which subparts you…

Q: 36.) When a 2.0 kg science textbook is sitting on a table that is 2.0 meters above the floor, how…

A: It is given that,

Q: A mass of 90g is placed on top of a vertical spring constant of 310N/m. The spring is then…

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Q: A simple pendulum, 2.0 m in length, is released with a push when the support string is at an angle…

A: Given: The length of the string is 2 m. The angle with the vertical is 25o. The initial speed of the…

Q: If both mass and velocity of a ball are doubled, the kinetic energy is increased by a factor of: a.…

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Q: Which of the following is TRUE to an object thrown straight upward? A. The object’s kinetic energy…

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Q: gravel Vo The hill is covered in gravel so that the truck's wheels will slide up the hill instead of…

A: Given,mt=15000 kgv0=62m/sx=3.3mh=55mμk=0.71θ=32.3°L=10.1m

Q: energy stored in the spring (k = 2400 N/m) will be

A: Given; 10 kg of mass has an accelertion,a=12 m/s2k=2400 N/m Two masses,   m1=10 kg   m2=20 kgIt is…

Q: Q32. Which one of the following is possessed by a freely falling body during its fall? O Kinetic…

A: A freely falling body is defined as body which is falling under the influence of gravity. As it is…

Q: A computer on the table is at rest. This means that   A. Computer has no energy   B. No net…

A: Balanced forces are the force that acts on the object in an equal magnitude and opposite direction.…

Q: please help in 10min

A: The right option is F.

Q: A person riding a bike at 15 mph is in an accident. They are wearing a helmet. How does the padding…

A: On the outside, a helmet has a strong plastic shell, while on the inside, it contains foam. If you…

Q: A 0.80-kg object tied to the end of a 2.0-m string swings as a pendulum. At the lowest point of its…

A: Given data: Mass (m) = 0.80 kg String Length (L) = 2.0 m Initial kinetic energy (KEi) = 10 J Angle…

Q: Two runners run up two different flights of stairs. They reach the top at the same time. The man has…

A: We need to analyze certain parameter about the motion of a man and a woman.

Q: A comet at the farthest distance from the Sun of 4.75 x 10⁹ km moves with a speed of 1.18 km/s. What…

A: Given: Distance r1 =4.75(109 ) km Distance r2 =8.77 (10 7 ) km Speed at farthest position  v1 =1.18…

Q: Compare the initial potential energy of the spring to the maximum gravitational potential energy of…

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Q: A ball is thrown vertically upward in the air. While on its way up, it A. loses kinetic and gains…

A: three questions of kinematics.

Q: 16. Anna whose mass is 45.0 kg was placed in a swing and started to enjoy while the swing moves to…

A: Given Mass (m)                 = 45.0 kg Highest point h1  = 2.5 m Lowest point  h2  = 1.2 meter

Q: It changed but I tried putting the right input but it didn’t work so now I have to find what equals…

A: Value of the gravitational constant should always 9.8 m/ s2. So put g=9.8 m/s2

Q: A ball of mass 50 kg rolls along a smooth horizontal surface with a velocity of 14 m/s. The ball…

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Q: You push a child on a swing once. What do you know about their kinetic energy at the top of their…

A: Correct option  • it's zero Because , At the top , swing stops a very small instant of time . So…

Q: If an object weighing 12 N is released from rest at a height of 3 m above the ground.  a. How much…

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Q: The quantity 1/2 kx is Select one a the work done on the object by the force b the power supplied to…

A: The correct option is C. That is, 1/2 * kx2 is the elastic potential energy of the object.

Q: Questions 1-3 reference the picture of a pendulum. Ignore friction and air resistance. As the…

A: A pendulum oscillates between points A , B and C, where points A and C are the extreme points .Point…

Q: When a 59.6 kg athlete stands on top of a spring instrument, the spring shortens by 4.48 cm. What is…

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Q: Question 8 of 10 Assume that a person bouncing a ball represents a closed system. Which statement…

A: Here, it is given that a person bouncing a ball represents a closed system. We have to choose the…

Q: 19 A bullet of mass 5g strikes a ballistics pendulum of mass 75 kg with speed v and becomes embedded…

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Q: A135 kg mass oscilates according to the equation z- 0.700 cos 8.10t, where z is in meters and t is…

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Q: You have a 120-g yo-yo that you are swinging at 0.9 m/s. How much energy does it have? How high can…

A: m = 0.12 kg  v =0.9 m/s

Q: 9. A block with a mass of 1.9 kg is held against a spring constant 249N/m. The block compresses the…

A: According to Newton's second law, the net force acting on an object leads to an acceleration of the…

Q: Which of the following is NOT an example of potential energy? a. A running woman b. An incredibly…

A: Required : Which is not an example of potential energy.

Q: 1. A spring (k=100 N/m) is hanging from the ceiling when somebody attaches a 2 kg block to the end…

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Q: 4. A large block with a mass of 8.5 kg slides along a horizontal surface without friction. The block…

A: Given  Mass m = 8.5 kg  Spring constant K = 260 N/m  Maximum compression a = 50 cm  =0.5 m

Q: Potential energy depends on the reference position. Would the change in potential energy between two…

A: Potential energy is the energy stored in the body due to the position of the body. The position is…

Q: 15.The object's potential energy at point C is less than its potential energy at point. A only B…

A: Answer :- (a) A only    The objects potential energy at point C is less than its potential energy at…

Q: 6. A 20.0 kg mass, released from rest, slides 6.0 m down a frictionless ramp inclined at 30.0…

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Q: It takes 1.81 J of work to compress a spring 13.1 cm. What is the force constant of the spring in…

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Q: A springy ball is dropped and allowed to bounce.  Which of the following represents the correct…

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Q: For which of the following is potential energy is converted into kinetic energy?  A. Swing swing…

A: Potential energy is the energy by virtue of position of object while kinetic energy is due to the…