Two objects moving towards each other stop after colliding. If the speed of a 5 kg object before colliding is 15 m / s, what is the speed of a 3 kg object?

Q: What is the kinetic energy of a 110 kg object that is moving with a speed of 12.5 m/s?

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Q: What is the Kinetic Energy of a 478 kg object that is moving with a speed of 15 m/s?

A: The mass of the object, m=478 kg   The velocity of the object, v=15 m/s

Q: A 10 kg toy roller-coaster car is 9 meters above the ground and moves at a speed 15 m/s. What is the…

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Q: what is the kinetic energy of a 1900 pound car traveling at 40 meters per second

A: Given data The mass of the car is given as m = 1900 lb. The velocity of the car is given as v = 40…

Q: What is the Kinetic Energy of a 1200 kg object that is moving with a speed of 24 m/s?

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Q: 60 kg person walking at 1 m/sec bumps into a wall and stops in a distance of 2.5 cm about 0.05 sec.…

A: Given data: Mass (m) = 60 kg Initial speed (u) = 1 m/s Final speed (v) =0 Time (t) = 0.05 s Need to…

Q: An object moving with a speed of 35 m/s and has a kinetic energy of 1500 J, what is the mass of the…

A: Kinetic energy of an object depends on the velocity of that object provided the mass remains…

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

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Q: How much joules of energy is needed to change the speed of a 1,900 kg sport utility vehicle from…

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Q: An object with mass 641 g is moving at the velocity of -7 m/s  What is its kinetic energy in Joule?

A: Given data: Mass of the object = 641 g Velocity of the object = -7 m/s Need to determine the kinetic…

Q: An object has a kinetic energy of 88 J and a mass of 45 kg , how fast is the object moving?

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Q: The kinetic energy of a 68 -kg athlete running at a velocity of 4.5 m/s is about

A: Given  Mass of athlete = m = 68 kg  Velocity of athlete = v = 4.5 m/s  The kinetic energy is to be…

Q: The kinetic energy of a 2400 kg of car that is moving with a speed of 25 m/s is?

A: (given) Mass of a car = 2400 kg Speed of the car = 25 m/s Kinetic energy: Kinetic energy of an…

Q: The kinetic energy of a 68 -kg athlete running at a velocity of 4.7 m/s is about

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Q: What is the velocity of a 1,500 kg car if its kinetic energy is 350 kJ?

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Q: A 5.0 kg shark swimming 1.0m/s swallows an 1.0 kg fish swimming toward it with a velocity 5.0 m/s.…

A: Using conservation of momentum m1u1+m2u2=m1+m2vv=m1u1+m2u2m1+m2

Q: 1200 J of work was in lifting a box to a height of 3 m. What was mass of the box?

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Q: An object has kinetic energy of 73 J. If its speed is 8.1 m/s, what is  its mass?

A: Given data: -  The kinetic energy of the object is E = 73 J. The speed of the object is v = 8.1…

Q: It took a 36,000 Newton force to make a car move 1,500 meters. How many Joules of work is performed…

A: Given: Force F=36000N Displacement d =1500 m To find: Work W=??

Q: A 75 kg sprinter accelerates from 0 to 8.0 m/s in 5.0 s. What is the metabolic energy, in kJ…

A: Given data:  Mass (m) = 75 kg Initial velocity (v0) = 0 m/s Final velocity (v) = 8.0 m/s Time (t) =…

Q: When a golf ball is hit, it travels at 41 meters per second. The mass of a golf ball is 0.045 kg.…

A: The kinetic energy of the golf ball can be given by KE=12mv2

Q: A ball with 100 J of PE is released from a height of 10 m. What will be the KE of the ball at 5 m?

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Q: What is the kinetic energy of an object with a mass of 10kg and a velocity of 1.6 m/s?

A: As we know that the formula for kinetic energy(E) of an object with a mass of m and a velocity of v…

Q: An object has kinetic energy of 61 J. If its speed is 6.6 m/s, what is its mass?

A: Kinetic energy is the energy possessed by an object as a result of its motion. Essentially, it is…

Q: A very heavy car is moving down the road and has 1,000,000 joules of kinetic energy. if the car has…

A: Given data:  A very heavy car moving down the road  Kinetic energy (KE) = 1,000,000 J New mass (m')…

Q: What is the kinetic energy of a .5 kg toy car moving at a rate of 1.4 m/s

A: Given that, Mass of the toy car (m)= 0.5 kg Velocity of the toy car (v)= 1.4 m/s We know that,…

Q: A 75 kg sprinter accelerates from 0 to 8.0 m/s in 5.0 s. What is the metabolic power, in kW…

A: Given data: The mass of sprinter is m=75 kg. The initial speed is u= 0 m/s. The final speed of…

Q: The kinetic energy of a moving object is KE = 1/2 mv2, where m is the mass and v is the speed. An…

A: Given data:  Mass (m) = 0.22 kg Kinetic energy (KE) = 0.59 million joules Required:  The speed of…

Q: a baseball with a mass of 0.15 kg is moving at a speed of 40.0 m/s. what is the baseball's kinetic…

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Q: An object has a kinetic energy of 25 J and a mass of 34 kg , how fast is the object moving?

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Q: What is the speed of a 0.145 kg baseball if its kinetic energy is 110J?

A: Given data: The mass of the baseball is m=0.145 kg. The kinetic energy of the baseball is KE=110 J.…

Q: An object has kinetic energy of 88 J. If its speed is 4.7 m/s, what is its mass?

A: Given data: Kinetic energy (KE) = 88 J Speed (v) = 4.7 m/s Required: Mass (m)

Q: .What is the Kinetic Energy of a 100 kg object that is moving with a speed of 12.5 m/s?

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Q: 15,021 kg car moving at 59 km/hr collides and couples with a 12,810-kg freight car at rest. What is…

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Q: If a vehicle has a horsepower of 300, how much energy does it burn in 2 minutes?

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Q: The energy needed to increase the speed of a certain car from 22 m/s to 44 m/s is 240 kJ. What is…

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Q: An object of mass 4 kg has a speed of 9 m/s and moves a distance of 7 m. What is its kinetic energy…

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Q: a 1kg mass has a kinetic energy of 10j when its speed is

A: Let the mass is denoted by m and the kinetic energy is denoted by E.

Q: A weight lifter raises a 100-kg barbell to a height of 2.2 m. What is the barbell's potential…

A: The mass of the barbell is m = 100 kg. The height of rise of the barbell by the weight lifter is h =…

Q: How much work is done by 2 kg fish that changes its speed from 1 m/s to 3 m/s

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Q: The Kinetic energy of a motorcycle and rider is 60,000J. If their total mass is 300 kg, what is…

A: Given data The kinetic energy of the motorcycle and rider is given as KE = 60000 J. The mass is…

Q: A 500 kilogram car moving at 20 meters per second strikes a stone wall and is brought to a halt in…

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Q: How much work is required to stop a 2000 kg car moving with a speed of 30 km/hr?

A: Data Given ,  Mass of the car ( m ) = 2000 kg Velocity ( v ) = 30 km/hr = 30 × 518 m/s…

Q: A 2-kg ball traveling eastward at 5 m/s hits a 5-kg ball moving at 1 m/s eastward.  The 2-kg ball…

A: Solution: Given that A 2-kg ball traveling eastward at 5 m/s hits a 5-kg ball moving at 1 m/s…

Q: What is the kinetic energy of a baseball whose mass is 0.15kg if it is thrown with a velocity of…

A: Given data:  Mass (m) = 0.15 kg Velocity (v) = 22 m/s Required: Kinetic energy (KE)

Q: An object has kinetic energy of 162 J. If its speed is 9 m/s, what is its mass?

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Q: what is the kinetic energy of a 1500 pound car traveling at 40 meters per second

A: Write the given values of the problem- Speed(v)=40 m/s Mass=1500 pound 1 pound=0.453 kg m=1500…

Q: The kinetic energy of a motorcycle and rider is 45,000 J. If their total mass is 250 kg, what is…

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