An object of mass m and velocity v has kinetic energy= 200J. Find the new kinetic energy if the mass of the object becomes double and velocity still remains the same?

Q: Particle A and particle B are held together with a compressed spring between them. When they are…

A: Let mass of B = m Mass of A = 5 m Using conservation of momentum 0 = mu + (5m)Vu = -5 V ...(1)Using…

Q: An object of mass M and an object of mass 2M have the same kinetic energy. Which has the greater…

A: Given: An object of mass M and an object of mass 2M have the same kinetic energy.   To discuss which…

Q: Question 1: The potential energy of a person is 780 Joule with mass of 20 kg who climbs a flig with…

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A: Using the concept of relativistic motion and relativity the problem can be solved as follows.

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A: The kinetic energy of the rock is smaller than in the first case, but momentum is the same

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A: Write the given values of the problem- Magnitude of momentum(P) P=30 kg m/s kinetic energy(KE)…

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Q: - Energy is measured in the same units as (1) force (2) momentum (3) power (4) work Which quantity…

A: Required:  Which quantity has same unit as energy

Q: Did the mass play an important role in the conservation of energy? explain elaborately ( WITH…

A: Brief Introduction to term :  Conservation of energy law :  Energy neither be created nor destroyed…

Q: A ball of mass m is moving with velocity v, having a kinetic energy KE,. If the velocity of this…

A: The initial kinetic energy of the ball can be determined as, KE1=12mv12                      ......…

Q: If an object with a mass of 1.8 kg changes it speed from 4.07 m/s to 9.05 m/s, what is its change in…

A: Kinetics energy is given as K.E=12mv2…

Q: A bullet is fired out of a gun with a velocity of 300 m/s, with respect to ground. If the bullet has…

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Q: Which of the following particles has the largest kinetic energy? O all of the above have the same…

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Q: In the potential energy experiment. If the kinetic energy of the system composed of masses m, and m2…

A: Given, Mass of 2nd block,m2=110 g=0.110 kg Total kinetic energy,K=0.73 J Speed of blocks,v=1.59 m/s…

Q: If a player can toss a 0.200-kg ball with as much momentum as a 2.00-g object moving with a speed of…

A: Given that: m1=0.2 kgv1=?m2=2 g=2×10-3 kgv2=3.2×103 m/s

Q: What is the average power expended to accelerate a bullet of 15grams mass to a speed of 900 m/sec in…

A: Power is the rate of doing work.P=W∆t...(1) We have work done defined as W=F.S,.....(2) force…

Q: Is the velocity equal to the Kinetic energy?

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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: Consider a particle of mass 2 kg. In first reference frame, the velocity of the particle is 4î m/s.…

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Q: A mass m, initially moving at speed v in gravity free space, explodes into 2 pieces, one of which is…

A: Given: A mass m, initially moving at speed v in gravity-free space, explodes into 2 pieces, one of…

Q: If an object with a mass of 1.5 kg changes it speed from 3.33 m/s to 7.93 m/s, what is its change in…

A: All the objects that move from one place to another have kinetic energy and the amount of energy…

Q: 4. An object has a kinetic energy of 227 J and a momentum of magnitude 26.6 kg m/s. (a) Find the…

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Q: Particle A and particle B are held together with a compressed spring between them. When they are…

A: The energy stored in the compressed spring( potential energy), Ui=85 J When the spring is released,…

Q: If the initial kinetic energy of an object is 40mJoules. What are the kinetic in the following cases…

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Q: A butterfly has a velocity of 15 m/s [E] and a kinetic energy of 22.5 J, what is its mass? 45 kg…

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Q: A 2 kg ball moving due east at 8 m/s collides head-on with a 1 kg mass moving due west at 7 m/s. If…

A: Given: Ball mass, m1=2 kg & it's initial velocity, u1=8 m/s towards E. Ball mass, m2=1 kg &…

Q: particle has a mass of 1.55 g and is moving at an average velocity of 11.5 cm/s. Calculate the…

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Q: Two particles of masses 1 kg and 2 kg are moving towards each other with equal speed of 3 m/sec. The…

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Q: When an object of mass m moves with velocity v along a line, its kinetic energy is given by K = -mv²…

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Q: If an object with a mass of 1.8 kg changes it speed from 3.15 m/s to 8.8 m/s, what is its change in…

A: Given : m = 1.8 kg vi = 3.15 m/s vf = 8.8 m/s

Q: The kinetic energy of a crossbow bolt with mass m kg and velocity v ms- is given by E = m? J. A bolt…

A: Dear student To find error in any given expression, we always try to maximize the error, to get…

Q: what momentum does a car of mass 1,762 kg have if its traveling at 11.3 m/s? answer in exponential…

A: Given Data Mass of the car is m=1762 kg Speed of the car is v=11.3 m/s   We have to find the…

Q: the velocity of the water is 2 m/s, the equivalent energy/mass of water due to velocity is…

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Q: A big ball, mass M-10m, speed v, strikes a small ball, massm, at rest. Could the following occur:…

A: The above question is based on the momentum conservation. Write the initial momentum of the big…

Q: By what factor is the kinetic energy of an object will change if its momentum is increased in…

A: The momentum is P = mv Squaring on both sides P2 = m2v2 Multiplying both sides by 12m P22m = 12mv2…

Q: Which of the following has the greatest kinetic energy? * an object with a mass of 4m and a velocity…

A: Given data: Different objects with mass and velocities Required: Object that has greatest kinetic…

Q: Question 1: The potential energy of a person is 780 Joule with mass of 20 kg who climbs a flight…

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

Q: A mass of 5 kg is 100m above a given datum where local g = 9.75 meter per second square. Find the…

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Q: Which of the following particles has the largest kinetic energy? O all of the above have the same…

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Q: For the same mass, if the speed of mass A is doubled the speed of mass B, the KE of mass B is…

A: Given in question -  mass of A = mass of B = m                                   Speed of A =…

Q: 36 Which of the following objects has the smallest kinetic energy? An object of mass 3m and speed 2v…

A: Introduction: The kinetic energy of the object depends upon the mass of the object, the speed of the…

Q: An electron (mass = 9.11 × 10−31 kg) is accelerated along a straight line at 3.9 × 1014 ms−2 . The…

A: Given : Electron mass→m = 9.11 × 10-31 kg Acceleration →a =3.9 × 1014 m/s2 Initial speed→v= 3.2 ×…

Q: (Find the displacement, velocity, kinetic energy, potential energy and momentum of an object by…

A: Given : F=ma F=-kx

Q: 8) A baseball is thrown from center field to second base and its velocity changes from 25m/s to…

A: Given value--- initial velocity = 25 m/s. final velocity = 20 m/s. mass = 150 g. We have to…

Q: What is the average power expended to accelerate a bullet of 15grams mass to a speed of 900m/sec in…

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Q: A mass of 5 kg is 100m above a given datum where local g = 9.75 meter per second square. From the…

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Q: A soccer ball of mass m = 0.75 kg dropped from a height h = 4.9 m bounces off the grass. The ball…

A: The law of conservation of energy states that the total energy of an isolated system should remain…