A 0.550 kg ball of Play-Doh hangs from the ceiling by a string. A 0.095 kg wad of Play-Doh is thrown straight upward from below the ball and strikes the ball with a speed of 5.20 m/s and sticks to it. (a) Is the mechanical energy of this system conserved? YesNo     (b) How high (in cm) does the combined mass of Play-Doh rise above the original position of the ball of Play-Doh?  cm

Q: A cannon of mass 5.80x10 kg is rigidly bolted to the earth so it can recoil only by a negligible…

A: Given data: Mass of cannon, mc=5.80×103kg Mass of shell, ms=85.0 kg Initial velocity, v=551 m/s

Q: O 20m 3.0 m 5. A 1.2-kg spring-activated toy bomb slides on a smooth surface along the x-axis with a…

A: Given: Mass of toy bomb (M) = 1.2 kg. Speed of toy bomb (u) = 0.5 m/s. After explosion, the mass of…

Q: Two pucks move towards each other on a frictionless track at 2.0 m/s. After collision, puck B moves…

A: Given that, Mass of puck A, mA = 0.4 kg Mass of puck B, mB = 0.3 kg The initial speed of puck A, uA…

Q: Arailroad freight car of mass 2.84 × 10ª kg collides with a stationary caboose car. They couple…

A:

Q: A 750 N man stands in the middle of a frozen pond of radius 4.0 m. He is unable to get to the other…

A:

Q: ecton of be sta 5. A space vehicle, in circular orbit around the Earth, collides with a small…

A:

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: first ball mass m1=2 kgsecond ball mass m2=1 kgbefore collision:speed of first ball u1=8ms,…

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

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Q: A dropped rubber ball hits the floor with a speed of 8.0 m/s and rebounds to a height of 0.25 m.…

A: The initial velocity of the ball hitting the ground is u = 8 m/s the rebound height oh the ball is h…

Q: A person of mass 71 kg is thrown down a slide until he falls into a swimming pool. The initial…

A: Mass (m) of a person = 71 kg     Height (h) of water = 12 m                     Speed (v) = 12.7802…

Q: A golf ball hits a wall and bounces back at 3/4 the original speed. What part of the original…

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Q: A 0.550 kg ball of Play-Doh hangs from the ceiling by a string. A 0.100 kg wad of Play-Doh is thrown…

A: Scenario - A wad is thrown straight upwards towards a Play-Doh ball which hangs from ceiling. It…

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: When is the mechanical energy of a system conserved? no external forces versus no friction or…

A: The mechanical energy of a system is the sum of the kinetic and potential energy of that system.

Q: 14–83. A rocket of mass m is fired vertically from the surface of the earth, i.e., atr = r. Assuming…

A:

Q: A 12 kg box collided with a 15 kg ball while traveling at 3.5 m/s. The box came to rest, and the…

A: kinetic energy of a body of mass m is given by  KE = 0.5 mv2  here  m is mass of body  and v is…

Q: if the velocity of the moving body is doubled, what does this do to kinetic energy and momentum of…

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Q: (a) What is their final velocity in meters per second assuming negligible friction and that the 60.0…

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Q: 0.002 kg bullet leaves the barrel of a gun at at speed of 300 m/s. a) Find the kinetic energy of the…

A: Given ,      mass of the bullet = 0.002 kg      speed of the bullet = 300 m/s

Q: It is not uncommon during the serve of a professional tennis player for the racket to exert an…

A:

Q: Two children are throwing snowballs at each other atop a frozen lake with negligible friction. Both…

A: Solution: Given that mass of snow ball m1 = 1.2 kg mass of the child m2 = 31 kg snow ball speed v1 =…

Q: Jane has a mass of 50 kg and starts from a high of 5 m above the ground. At the bottom of her swing,…

A: mass of jane (m) = 50 kg initial height of jane (h) = 5 m mass of tarzan (M) = 70 kg

Q: A body of mass 40 kg has the mom 2000 kgm/s. Calculate; 1. Speed of the body. 2. K.E of the body.

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Q: need help

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Q: In Figure , a 100 g bullet moving directly upward at 200 m/s strikes and stay inside a 2.0 kg block…

A: Given: The mass of the bullet is 100 g.             The initial velocity of the bullet is 200 m/s.…

Q: A cannon of mass 6.79 x 103 kg is rigidly bolted to the earth so it can recoil only by a negligible…

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Q: A bullet is fired horizontally into an initially stationary block of wood suspended by a string and…

A:

Q: A 10-g bullet moving horizontally with a speed of 1.8 km/s strikes and passes through a 5.0-kg block…

A:

Q: A basketball (m = 0.60 kg) is dropped from rest. Just before striking the floor, the ball has a…

A: m = 0.60 kg v0 = 0 m/s p = 3.4 kg·m/s h = ?

Q: A north-going Zak has a mass of 50kg and is traveling at 4m/s. A south-going zak has a mass of 40 kg…

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Q: Two shopping trolleys, X and Y, are both moving to the right along along the same straight line. The…

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Q: A vehicle has a mass of 600 kg. Its engine exerts a tractive force of 1500 N, but motion is resisted…

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Q: A 4 kg block moving right at 6 m/s collides elastically with a 2 kg block moving right at 3 m/s.…

A:

Q: A package M1 (1.1 Kg) is released from rest at a warehouse loading dock and slides down the H =…

A: Given that:M1=1.1 kgM2=2.4 kgH=13.7 mμ=0.5v1=3 m/s

Q: A block of mass m slides along a frictionless surface with kinetic energy Ki. It collides with a…

A: A block of mass m collides with a block of mass 3m . To find = Kf : Ki

Q: A basketball (m = 0.60 kg) is dropped from rest. Just before striking the floor, the ball has a…

A:

Q: thin uniform rod of mass Mr and length L is suspended from the ceiling and mounted on a horizontal…

A: Given : Mass of rod is Mr Length of rod L Mass of dough ball mb Initial velocity of the dough ball…

Q: Hafthor Bjornsson, a strongman, broke the world record deadlift by lifting 501kg, with a total range…

A: Given  mass(m)=501kg total range = 80cm =0.8m time =4sec.

Q: In the figure here, a stationary block explodes into two pieces L and R that slide across a…

A: GivenmL=3.3 kg  , μL=0.45  , dL=0.33 mμR=0.52  , dR=0.46 m

Q: A railroad freight car of mass 2.84 x 104 kg collides with a stationary caboose car. They couple…

A:

Helmholtz Free Energy

The Helmholtz free energy is a thermodynamic potential used to calculate the measure of useful work from a closed system. This system is kept at constant temperature and volume. German physicist Hermann Helmholtz introduced this concept in 1882.