Energy and Momentum Conservation Level 1 Find the speed of each cart after the compressed spring on cart 1 is triggered. Each cart has a mass of 500 grams plus the masses that are shown on top of the cart. When you are ready to submit your predictions, click on the end button. End Total Energy That Will Be Given to Cars: 2.72 J Car 2 877 g Car 1 86 g Vernier Vernier

Q: If a quantity you calculated had units of kg m/s, what type of quantity could it be? . none of the…

A: Kg is the unit of mass  and m/s is the unit of Velocity.

Q: PART A. SPEED, VELOCITY, AND ACCELERATION Little Mario plays with his remote control car, and…

A: In case of uniform velocity  the acceleration  of body is zero

Q: A 3860 kg truck moving at 5 m/s westward collides with a 1300 kg car moving at 20 m/s eastward. The…

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Q: package of mass mm is released from rest at a warehouse loading dock and slides down the…

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Q: If we know the total energy in a system is 140 J, and we know the Potential Energy is 100 J.  What…

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Q: A proton (mass m 1.67 x 1027 kg) is being accelerated along a straight line at 1.70 × 1013 m/s2 in a…

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Q: The car's mass is 923 kg. The trampoline just keeps the car off the ground. Calculate the kinetic…

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Q: single frictionless roller-coaster car of mass m = 750 kg tops the first hill with speed v= 15 m/s…

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Q: An elastic collision is one in which kinetic energy before the collision equals kinetic energy after…

A: In collision momentum is always conserved but elastic collision is type of collision in which there…

Q: A 5 kg block falls from rest down a 7 m high frictionless hill. It collides with a stationary 2 kg a…

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Q: If a Saturn V rocket with an Apollo spacecraft attached had a combined mass of 2.9 × 105 kg and…

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Q: ly too carried away doing physics experiments, crashes his 1200 kg car into to a stationary 1500 kg…

A: The mass of car A is mA = 1200 kg  The mass of the car B is mB = 1500 kg The resulting pileup…

Q: A 0.8 kg paint bucket is falling at 6.0 m/s. How many Joules of kinetic energy does the bucket have?

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Q: A 0.14-kg baseball is dropped from rest from a height of 17 m above the ground. What is the…

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Q: Consider a small car of mass 1080 kg and a large sport utility vehicle (SUV) of mass 3960 kg. The…

A: Mass of small vehicle is Mass of large vehicle is Speed of large vehicle is Both vehicles have the…

Q: A "happy ball" was dropped from an initial height of 1m as it bounced back up to a maximum height of…

A: Solution attached in the photo

Q: 6. A spring gun has a constant of K= 650N/m. It is compressed a distance x 0.04m and a ball of mass…

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Q: 12.0 kg 2.00 m 4.0 kg

A: Given: The initial height of 12.0 kg block h = 2.0 m. The mass m1 = 12.0 kg. The mass m2 = 4.0 kg.

Q: A 1.2kg skateboard is coasting along the pavement at a speed of 5ms-1 when a 0.800 kg kitten drops…

A: The mass=1.2kg  To find the speed of the kitten-skateboard combination

Q: Two ice skaters begin at rest then push off each other on very smooth ice and glide away with…

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Q: You are designing a skatepark and want the skaters to be able to reach a speed of 12 m/s at the…

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Q: A bullet of mass 20g is found to pass two points 30m apart in a time interval of 4s. Calculate the…

A: c

Q: For a closed system, when the kinetic energy of the object quadruples, its velocity triples…

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Q: A billiard ball of mass 0.18 kg is uniformly accelerated from rest and travels 162 cm in 0.9 s.…

A: The mass of the billiard ball is m = 0.18 kg. The initial velocity of the billiard ball is u = 0…

Q: The physical unit of kinetic energy is: - Kg-cm2/s2 - Gm/s2 -Gm-cm/s2. - None of the above

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Q: Dr. Evil has a tank of sharks with frickin' laser beams attached to their heads! His henchmen throw…

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Q: Consider two lumps of clay (A and B) moving towards each other at a speed of v (v is relative to the…

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Q: An object of mass 1000 kg initially having a velocity of 20m/s accelerates to a final of 129 m/s.…

A: Given: mass of the object (m) = 1000 Kg            initial velocity (u) = 20 m/s            final…

Q: You move a ball of mass m away from a sphere of mass M. Is positive work, negative work, or zero…

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Q: Which of the two has greater kinetic energy?

A: Given data, Two cars A and B of masses 200 g and 500 g respectively. It is having same speed. Which…

Q: Mike then takes his now 1175 kg car and crashes it at 50 m/s into the back of a 1600 kg Jeep…

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Q: A athlete punches a 60-kg bag, with the speed of fist at 8 m/s. After the punch, the bag flies away…

A: Given data: The mass of the boxer bag is, M= 60 kg The mass of the moving part of the hand is, m= 5…

Q: A 3.77 g bead slides along a frictionless wire, as shown in the figure. At point A, the bead is…

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Q: A 2,900-kg truck runs into the rear of a 1,000-kg car that was stationary. The truck and car are…

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Q: At a carnival, you can try to ring a bell by striking a target with a 10.1-kg hammer. In response, a…

A: Since 24.8% of the hammer's kinetic energy goes into raising the gravitational potential energy of…

Q: what is the significance of the negative value for the fractional change in kinetic energy?

A: The fractional change in kinetic energy is given by the above expression.The negative value for the…

Q: e by side, two round objects are released from the top building, object 1 is released from rest,…

A: Given:-  Let the two objects 1 is  A and objects 2 is B then given  uA=0 , vA=4 m/s vB=3 m/s  Find:-…

Q: A father racing his son has 1/4 the kinetic energy of the son, who has 1/3 the mass of the father.…

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Q: Two crates of mass m1 = 50 kg and m2 = 24 kg are connected by a rope that passes over a massless,…

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Q: A hammer held horizontally is allowed to swing down with the end of the handle held in place. The…

A: Given that : Weight of the hammer = 2 kg Ignoring the mass of the handle = 0.6 m After swinging down…

Q: tô än immediate stop. To the nearest 1.0 m/s, what is the speed of sphere #2 after the collision?…

A: Conservation of Momentum For an isolated system, that is, when there is no external force acting on…

Q: The kinetic Energy of the Football is 24 J What would happen to the kinetic energy of the ball in…

A: Given Initial mass = m = 3 kg Initial Kinetic energy = 24 J Speed = 4 m/s = constant Finally mass is…

Q: A car with a mass of 1308 kg slows down from 58 km/h to 24km/hr. Calculate the change in its kinetic…

A: We have given  Mass of car m=1308kg Initial velocity  u= 58 km/h                         u =…

Q: What is the speed of a 115g baseball whose kinetic energy is 120 J?

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Q: How fast would an 87 kg man need to run in order to have the same kinetic energy as an 8.0 g bullet…

A: The kinetic energy of a body of mass m moving with velocity is given by, K=12mv2