If both the mass and speed of an object are doubled while the radius is decreased by 4x, then the centripetal force is?

Q: Identify whether the following is a scalar quantity or a vector quantity. a. 800 J of work b. 120 N…

A: Given data:  The physical quantities Required: Identify qualities as a scalar or a vector quantity

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: 1. A600-kg rollercoaster car starts at rest atop a 30-meter hill. Determine the speed of the car…

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Q: 3. A potential energy function is shown below. a) A 250 gram mass is released from rest at x=3 m.…

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Q: 1. How much potential energy does a vehicle gain if a crane lifts the vehicle with a mass of 1,450…

A: 1. Given data The mass of the vehicle is given as m = 1450 kg. The height is given as h = 23 m.…

Q: Describe an object that has a lot of kinetic energy, but not very much mass.

A: Kinetic energy: It is defined as the energy possessed by the body by virtue of its motion. Let us…

Q: 1.If an object is on the ground, then it does not have any kinetic energy. 2. More massive objects…

A: Dear student, Since you have posted multiple true/false type question. As per company guidelines we…

Q: 2. What is the mass of a girl if she was raised 2.00 m off the ground and has a potential energy of…

A: Given data: The potential energy is E=555 J. Distance from ground is h=2 m.

Q: 1. A roller coaster car with a mass of 2.1 x 10²kg is at rest at the top of a 40. m hill above the…

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Q: A 1.0 lbm piece of foam accelerates at 100 g’s for 0.25 seconds. (Use g = 32 ft/s^2). a) How fast is…

A: Given  m1=1 lbm (mass of foam) u1= 0 (initial velocity of foam) a1=100g=100*32=3200 ft/s2…

Q: 6.) kp = k, tkz -2Nlm t 6 Nlm EN/m a:) L= 0-200 m X= 000 m T= 21 kp WINり -7 Toog m= 0·l00 kq ENh. Xi…

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Q: A spring is used to launch a mass along a horizontal frictionless surface. Before launch, a force of…

A: Initial equilibrium force,  Mass,  Spring constant,  Initial speed of the mass,

Q: . Another of the 82 moons of Saturn is named Rhea,  which accelerates slower than the planet. 3.…

A: According to guidelines, the first three multipart questions are answered here.   1. There is no…

Q: 87. A stretched spring has greater energy and therefore greater mass than an unstretched spring.…

A: Displacement of the spring ( x ) = 20 cmForce constant of the spring ( k ) = 480 N/m

Q: At what speed must a particle move in order to double its mass? a. 2.6x108 m/s b. 2.8x108 m/s…

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Q: 1. Determine from the expression for kinetic energy (KE = ½ mv2) the combination of units,…

A: Given that, Kinetic energy (KE = ½ mv²)  Here m is the mass And v is the velocity We know that the…

Q: Which of the following bodies has the largest kinetic energy? Select one: a. Mass 2M and speed 3V b.…

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Q: 5. What is the momentum (as a function of time) of a 5.0-kg particle moving with a velocity (v¯(t) =…

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Q: 1. One (1) revolution or cycle per second of an object is equal to ______. A. 1 Hertz B. 180^o…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A stone is thrown vertically upward and feels no air resistance. Upon rising, a.its kinetic energy…

A: Required : The correct option.

Q: The work done by the force

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Q: 1. Which answer choice below includes only scalar quantities? Distance, speed, time…

A: the scalar quantities are those physical quantites posses only magnitude and not direction. these…

Q: Choose the correct definition of " Average Acceleration". 11 O a. Change in velocity divided by time…

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Q: Two objects A and B have the same kinetic energy. Object A with massm is initially moving with speed…

A: Mass of A is m Mass of B is m/2 Speed of A is vi Suppose that speed of B is vB

Q: 5. Use the new equation from question 4 to solve this problem: a 50-kg woman wearing a seatbelt is…

A: Given: The mass of the woman is 50 kg. The velocity of the car is 10 m/s. The time taken to stop the…

Q: Mass is 2.0-kg. Released from rest at X, the speed at Y is closest to:

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Q: . Can something have energy without having momentum? Explain. Can something have momentum without…

A: We have explain can anything have energy without momentum and momentum without energy We have to…

Q: Calculating Kinetic Energy 1. Calculate the moving kinetic energy of an 8 kg object moving at a…

A: Since you have asked multiple questions, we will answer the first question for you according to the…

Q: 1- Determine the kinetic energy in kJ of a 749 kg roller coaster car that is moving with a speed of…

A: Given data : Velocity=V Mass=m   To find : Kinetic energy

Q: What is 1kg+1m ? Select one: a. 0 O b. 2kg.m c. unknown O d. undefined e. 2(kg+m)

A: The addition of two quantities with different units are not possible. Only quantities with same unit…

Q: p/MJ kg-¹ Earth -1.3 -3.9 -62.3 Moon A. 305 MJ B. 61.0 MJ C.58.4MJ D. 300 MJ

A: Given, The potential energy at the surface of earth for 1 kg of mass is −62.3 MJ. The potential…

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

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Q: 3. Starting from rest, a 62 g ball rolled down the tube like the one to be used during this…

A: (3)The frictional energy loss will be the change in potential energy.

Q: Juliet has been captured by Thugs and is being held in a castle surrounded by a 75.0 m wide moat…

A: Height (h) = 8 m Velocity (v) = 27 msθ = 38oHorizontal distance (d) = 75 m

Q: Which three of the following physical quantities are all scalars? Power, temperature, mass B A…

A: A vector quantity has both magnitude and direction, while a scalar quantity has only magnitude.

Q: 3. Pro Bartender. A bartender standing across you at a distance of 1.00 [m slides a 180. [g] bottle…

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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: A 50 g ball of clay traveling at speed v0 hits and sticks to a 1.0 kg brick sitting at rest on a…

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Q: A rock of mass 1.0 kg is dropped from a height of 10 m. What will be its velocity just before it…

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