A bullet fired from a gun can pierce a target due to its ___________ a) Mechanical energy b) Heat energy c) Kinetic energy d) Acceleration

Q: What are the equations for Systems with Potential Energy ?

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Q: 1. A roller coaster is traveling at 50 m/s and has a kinetic energy of  82J.calculate the mass of…

A: Given: The speed of the roller coaster is 50 m/s. The kinetic energy of the roller coaster is 82 J.…

Q: What is the kinetic energy of a 48 gram bullet traveling at 200.0 m/s? KE = x 102 J

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Q: In which of the following situations are you doing work on an object ? A. holding a backpack over…

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Q: A bullet is fired from the rifle. If the rifle recoils freely, then the kinetic energy of the rifle…

A: By conservation of momentum, MV = mv or V = mv/M Kinetic energy of the rifle is Kr = 1/2MV2 =…

Q: 1903 kg car travels at a speed of 11.7 m/s. what is its kinetic energy? answer in J units

A: Given Data: The mass of the car is, m = 1903 kg. The velocity of the car is, v = 11.7 m/s. 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: Do it

A: Given that-Mass of the ball: m= 0.2 kgHeight: h= 1.5 mEnergy: E= 0.6 JWe know that,Energy= mgh…

Q: What is the kinetic energy of a fastball thrown at 44.7 m/s (100 mph)? The mass of the ball is 150…

A: given that    v=44.7 m/s m=150g=0.150kg Kinetic energy=12mv2 put the value  Kinetic…

Q: Explain why an object moves faster as it goes down a hill in terms of energy.

A: Answer :-  An object moves faster as it goes down a hill because change in energy from one form to…

Q: a 2kg bullet gets fired into a 1kg wooden board the bullet got embedded in the block and they moved…

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Q: If the mass of the swimmer is 50 kg. d. Velocity impact is e. Assuming the swimmer falls directly…

A: Given that Height (h)= 15 m Let the velocity of impact be v Mass of the swimmer (m)= 50 kg

Q: For a system having a mass of 1 lb whose velocity increases from 50 ft/s to 100 ft/s while its…

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Q: Kinetic Energy: An object hits a wall and bounces back with half of its original speed. What is the…

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Q: A flying at a speed of "v" bullet punctures wooden board, losing two thirds of its kinetic energy.…

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Q: A1.7 kg mass falls from a height of 17.4 m to a height of 4.4 m in 3.0 seconds. How much kinetic…

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Q: The work that a force does by acting on an object is equal to what? a.) the product of momentum and…

A: When an object is moved by the application of a force on it, then, work is said to be done on the…

Q: "When two objects collide then stick together and move as one object, the kinetic energy will remain…

A: To determine the statement is true or false

Q: Explain if it is possible for a system to have negative potential energy

A: Answer Potential energy is the energy stored in any system or object by virtue of its position.…

Q: n object with a mass of 6-kg has a velocity of v=(-i+4j) m/s.  What is the kinetic energy of the…

A: Given mass of an object m = 6 kg velocity of an object v→ = (-i +4j ) m/s To Find  Kinetic energy of…

Q: Positive work W done on a system means O a. Energy is transferred out of the system b. Energy can…

A: Introduction: A thermodynamic system is a matter or object that is confined in space by walls, which…

Q: You observe a car of mass 500 kg, moving at speed 5 m/s, collide with a 100 kg trailer that was at…

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Q: A spring (spring constant = k) is cut into 4 equal parts and two parts are connected in parallel.…

A: C

Q: 2. A car has increased its kinetic energy by a factor of 3. the speed of the car must have a.…

A: Dear student The kinetic energy of a particle having mass m and speed v is given by: K = 1/2 mv2

Q: a. The work done on the block by the worker. b. The work done on the block by the friction force. C.…

A: Given Mass m=13kg Displacement S=3.50m Coefficient of friction=0.25 Applied force=110.0N Angle=30

Q: Decide how the objects in the following table would be listed, if they were listed in order of…

A: The kinetic energy of a moving body is given by KE = 12mv2, where m = the mass of the body v = the…

Q: A 20 G bullet is fired from a gun at 1:25 m/s how much kinetic energy does it have

A: GivenMass of bullet is M=20gSpeed of bullet is V=125m/s

Q: A girl Lifes a 30 kg package 2m at constant speed. This takes 0.800 seconds A) determine her average…

A: We know that power  P= work done per unit time  A) work done W= mgh=30×9.8×2=588J Power P=…

Q: A 0.141 kg baseball leaves a pitchers hand at a speed of 31.5 m/s  Part A of the air drag is…

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Q: A truck speeding down the highway has a lot of kinetic energy relative to a stopped state trooper…

A: To explain the above concept is given as,

Q: 1. Two boys riding on a bicycle. The boys have the same speed. Which of the boys exerts more energy…

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Q: 1.) A 15 kg mass is dropped from rest a distance of 18 m above the ground. Make certain you show all…

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