Vo 40° 2 ft

Q: You throw a 17.0 NN rock into the air from ground level and observe that, when it is 14.0 mm high,…

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Q: Moving at an initial speed of vi=2.00m/s, Jimmy slides from a height of h=5.00m down a straight…

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Q: A 60.0-kg projec where the ground is taken to be y = 0. (a) What is the initial total mechanical…

A: Given: A 60 kg projectile is fired at an angle 300 above the horizontal with an initial speed of 144…

Q: The first car has twice the mass of a second car, but only half as much kinetic energy. When both…

A: Let , The first car mass = m1 second car mass = m2 Kinetic energy of 1st car = K1 Kinetic energy of…

Q: 2. A volleyball player volleys a ball (mass 125 g) from a height of 1.40 m above the ground with an…

A: (a). Mechanical energy = 3.04 J  Maximum height above the ground = 2.48 m

Q: A roller coaster of mass 80.0 kg is moving with a speed of 20.0 m/s at position A as shown in the…

A: The total mechanical energy of a body is the sum of the total kinetic energy and the total potential…

Q: A projectile of mass m is fired horizontally with an initial speed of vo from a height of h above a…

A: Mass = m Initial speed = vo Height = h

Q: If the mass of the swimmer is 50kg. a. Potential Energy at the Top is = b. Velocity of the swimmer…

A: Since you have asked question with multiple sub-parts in a single request, we would be answering…

Q: 8) An apple of mass m is thrown horizontally from the edge of a cliff of height H, as shown to the…

A: Mass of apple = m Initial height of apple = H Final height of apple = 0  Initial speed of apple = vo

Q: 8.19. What is the kinetic energy of a 2400-lb automobile when its speed is 55 mi/h? What is the…

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Q: 6) A 7.80-g bullet moving at 490 m/s penetrates a tree trunk to a depth of 4.6 cm. Use work and…

A: The mass of the bullet, m = 7.80 g = 7.80×10-3 kg The initial velocity of the bullet, vi = 490 m/s…

Q: 4) A 1.5 kg projectile is fired from the edge of a 20-m tall building with an initial velocity of vo…

A: Height of the building is H = 20 m Mass of the object is m = 1.5 kg Initial velocity of the object…

Q: A 17.5 kg projectile is fired straight up with an initial velocity of 38.7 m/s from a point on the…

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Q: In a circus act, a 60 kg clown is shot from a cannon with an initial velocity of 16 m/s at some…

A: Given,

Q: When the speed of your car is doubled, by what factor does its kinetic energy increase? a. sqrt of 2…

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Q: A 24.0-kg cannonball is fired from a cannon with muzzle speed of 1 100 m/s at an angle of 39.0° with…

A: Formula of maximum height is as follows; hm=u2sinθ2g…

Q: A 2-kg block is pushed against a spring with k= 500 N/m, compressing the spring by 20 cm. The block…

A: Mass of block m= 2 kg Spring constant k= 500 N/m Spring is compressed to x= 20cm =0.20 m

Q: What is the maximum kinetic energy of a bowling ball with a mass of 6.1 kg, dropped from the 116m…

A: Maximum kinetic energy of ball will be just before the ball hits the ground, as at that time speed…

Q: A 1700 kg car starts up a 130 m long hill at a speed of 20.0 m/s. If the propulsive force (up the…

A: Work done by gravity  Wg = -mgh = -1700×9.81×48.1 = -802163.7 J Work done by propulsive force  WP =…

Q: A projectile has the same initial kinetic energy no matter what th angle of projection. Why doesn’t…

A: To determine,A projectile has the same initial kinetic energy no matter what the angle of projection…

Q: If a boy drops a wooden block of 1 kg from the top of a roof, both its potential energy and kinetic…

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Q: A child of mass m starts from rest and slides with- out friction from a height h along a curved…

A: Since we are entitled to answer up to 3 sub-parts, we’ll answer the first 3 as you have not…

Q: Which has more kinetic energy: a 0.0019-kg bullet traveling at 412 m/s or a 7.3 x 107-kg ocean liner…

A: The equation for the kinetic energy is given by

Q: What minimum initial kinetic energy must the boy supply to the package?

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Q: A child starts from rest and slides without friction from a height of h = 5.0 m along a slide next…

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Q: A 65.00-kg runner begins her exercise by moving with a velocity of 2.50 m/s. She then runs up a…

A: Kinetic energy is given by,  KE=12mv2 Potential energy is given by , PE=mgh Given : Mass m=65 kg…

Q: The specialty of an athlete on the women's track team is the pole vault. She has a mass of 60 kg and…

A: Mass of the woman is m = 60 kg Approach speed is v1 = 8.7 m/s Her speed when she is directly above…

Q: What is the final height of a Q-tip when it is launched from a Q-tip launcher at an initial height…

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Q: 5. A0.20-kg rocket in a fireworks display is launched from rest and follows an erratic flight path…

A: Mass, m = 0.2 kgInitial velocity, vi = 0 m/sInitial height, hi = 0 mFinal height, hf = 29 mWork, W =…

Q: A center throws a basketball m = 1 kg straight up with an initial speed of vo = 9.5 m/s. He releases…

A: Given: The mass of basketball is 1 kg. The initial speed is 9.5 m/s. The initial height is 1.9 m.

Q: onsider a ball (0.50 kg) is tossed upward (from an initial elevation of 0.5m) and rises a vertical…

A: Using Energy conservation and finding the difference of potential energy from height which is…

Q: Initial Kinetic Energy, Ko Final Kinetic Energy,Kf Velocity, v Calculations: m = 150 kg k = 1000 N/m…

A: Given, Mass=150kg Spring constant=1000N/m Distance (x)=0.8m Time=8.72sec

Q: An 8.5-kg block is pushed along a horizontal rough surface by a 40-N force inclined at 20° with the…

A: Mass of the block is m = 8.5 kg Applied force is F = 40 N Angle of force with the horizontal is 20…

Q: A 0.48-kg ball is thrown vertically upward with an initial speed of 12.0 m/s. What is the kinetic…

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Q: otential energy U in Joule of a particle of mass is 4kg moving in the x-y plane is given by the…

A: Given:-  The potential energy U in Joule of a particle of mass is 4kg moving in the x-y plane is…

Q: A 19.0-kg cannonball is fired from a cannon with muzzle speed of 1 050 m/s at an angle of 35.0° with…

A: Part A: find the maximum height reached by each ball. Part B: Find the total mechanical energy of…

Q: 89. What happens to the kinetic energy of a moving object if the net work done is positive?" a. The…

A: According to the Work-Energy theorem, the force required to move an object at some distance is equal…

Q: A 21.0-kg cannonball is fired from a cannon with muzzle speed of 1 050 m/s at an angle of 41.0° with…

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Q: How fast would a(n) 72 kg man need to run in order to have the same kinetic energy as an

A: the kinetic energy is directly proportional to the product of mass and the square of the velocity.

Q: A 0.04-kg ball is thrown from the top of a 30-m tall building (point A) at an unknown angle above…

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Q: *Problem 2: A cannon sits on a cliff 20 m above the ocean. The cannon is angled at 25° and the…

A: Canon ball attains a maximum height and then returns back and strikes the ocean ,it follows…

Q: . A ball of mass of  M = 0.14 Kg is thrown vertically upward from ground level at  Vi= 44.5 m/s, as…

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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.