(II) Two bullets are fired at the same time with the samekinetic energy. If one bullet has twice the mass of the other,which has the greater speed and by what factor? Which cando the most work?

Q: Energy is stored in all stationary matter as O Kinetic energy O Rest energy O Elastic potential…

A: According to Einstein's Relativistic Energy : the energy equivalent to the mass of a particle at…

Q: 30 Figure 7.11 7.21. Assume that u, = 0.2 in Fig. 7.11. What is the acceleration? Why did you not…

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Q: How much energy will be required to break a drop of water of 2mm diameter into one thousand million…

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Q: What is the work done by a 2500 kg car whose velocity is 85 km/hr? Round your answer to the nearest…

A: Given value--- mass = 2500 kg. Final velocity = 85 km/h. We have to find--- work done?

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Q: A Hooke's law spring is compressed 12.0 cm from equilibrium, and the potential energy stored is 72.0…

A: Given: The compression in spring is x=12 cm. The potential energy is E=72 J. The potential energy…

Q: If an automobile were to have a 100% efficient engine, transferring all of the fuel’s energy to…

A: The efficiency of automobile is 100 %. This means that the efficiency is 1.

Q: Does a larger net force always produce a larger change inkinetic energy than a smaller net force?…

A: By work-energy theorem, change in kinetic energy is equal to the work done.

Q: Assuming that the object are on Earth, where acceleration due to gravity is 10N/kg, calculate the…

A: Given:  Acceleration due to gravity g =10NKg lets consider mass of earth is M and radius of the…

Q: How much time will it take a 48.2 kg-runner to climb up the stairs of a 7.58-m tall grandstand if…

A: Given data: Mass (m) = 48.2 kg Height (h) = 7.58 m Power (P) = 25 W Required: Time (t)

Q: Two railroad cars, each of mass 5094kg and traveling 82.8km/h in opposite directions, collide…

A: Given speed of both car v= 82.8 km/h =23 m/s Mass of each car M= 5094 kg According to law of energy…

Q: A mass of 1 kg is acted upon by a single force, F = (4i + 4j)N. Under this force it is displaced…

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Q: Show that the Force of Gravity is conservative.

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Q: A 2-kg crate is moved horizontally by 3 m by a 4-N force with a speed of 1 m/s. If that is, how much…

A: m= 2 kg d = 3m F = 4 N v = 1 m/s

Q: For the given figure, the weight of the 9-ft bar is 5 lb. If F = 4.75, the reaction exerted by the…

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Q: If it requires 6.0 J of work to stretch a particular spring by 2.0 cm from its equilibrium length,…

A: The work required to stretch a spring can be given by W=12kx2

Q: What is the work done by the force 2xi + 3yj from 3,1 to 3,2?

A:

Q: If you had two shoes, an ordinary shoe and an "antishoe" made of antiparticles, and you annihilated…

A: Consider that US population at this moment is 328.2 million. If each of them has a weight of 600N,…

Q: Help

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Q: Water flows over hulugan falls, which is 70 high, at an average rate of 2.3 x 105 kg/s. If half the…

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Q: After a tornado, a 0.55-g straw was found embedded 2.3 cm intothe trunk of a tree. If the average…

A: Given,F = 65ma = 65a = 65m= 650.55 x 10-3 = 118181.8 m/s2

Q: If a barchall ie thriawn at Hom/ and 0.60 k what force x itx ditrectin its maek to chunge neceas

A: you need a force in opposite direction of velocity.

Q: A 3-kg crate is moved horizontally by 5 m by a 5-N force with a speed of 4 m/s. If that is, how much…

A: The forces acting on the crate are the applied force in the direction of motion and the frictional…

Q: Find the total energy of the object. Find the height of the object when its speed is 100 m/s. Find…

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Q: Is a quantity whose cyclic integral is zero necessarily a property?

A: If a quantity whose cyclic integral is zero is dependent on the state only and is independent on…

Q: Does the KE of a car change more when it goes from 10 to 20 km/h or when it goes from 20 to 30 km/h?

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Q: The energy of bowling ball rolling down the lane is 150J. If it is rolling at 7.5 m/s, find the mass…

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Q: For the given figure, the weight of the 9-ft bar is 6 lb. If F = 5.14, the reaction exerted by the…

A: Force produces torque. This torque bring about rotation. Force may be balanced but torque may be…

Q: Camplng eipneut weighing 6000N is polled ro n lale t means of a horiatal 2ope The coefficient of…

A: The mass of the equipment can be written as m=Wgm=6000 N9.8 m/s2m=612.2 kg…

Q: When a 6-kg object increases its potential energy by 1800 J approximately how has its position…

A: Change in position of the object if its potential energy increases by 1800 J.

Q: Calculate the valu of the time of flight of K-39 (K39) ion that has a kinetic energy of 12.2 x 10-18…

A: Answer               4.121*10-5 s

Q: During special occasions such as New Year, firecrackers are always present to welcome another year…

A: Required : Is the force conservative in the explosion .

Q: i f k b u %24

A: We know that the electric field of a positive charge is directed outwards from the positive charge

Q: When a driver applies the brakes to keep a car going downhill at constant speed and constant kinetic…

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Q: Find the work done by a of force of 4.8N for moving a body of mass 7 ?? from (8,7) to (−6,2).

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Q: Which of either has greater momentum: a 1kg ball moving at 2m/s or a 2-kg ball moving at 1m/s? Which…

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Q: Show complete solution. Do not round off. What work is done on a level track in bringing the…

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Q: When does dissipated energy depend Q on the speed difference before the collision?

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Q: Compute the minetary value of the Kenetic energy of the projectile of a 14-in naval gun at the rate…

A: Given:-  The mass of the projectile is 600 kg  the velocity of the projectile is v= 800 m/s  the…

Q: A VW beetle going 80 km/hr East, hits a Mack truck, 10 times the mass of the beetle, head on, going…

A: