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Q: 5. A 15 kg block starts from rest starts 4m away from the end of a spring affixed to a 30° incline.8…
A: We will use the conservation of energy formula,
Q: 25. Calculate the average speed of a 4.0 x 102-newton weight being lifted vertically by a 2.00 x…
A: Given: The weight of the object is 4x102 N. The required by motor is 2x103 W.
Q: 5. Calculate the average speed of a 4.0 x 102-newton weight being lifted vertically by a 2.00 x…
A:
Q: Given force AC = 10O N, what is force AB? ((Answer in whole numbers only. without units. No periods.…
A: Given: AC=100N Refer to the given figure : With reference to the concept of taking component of a…
Q: VA R В
A:
Q: 7. Two carts collide on a level, frictionless track. Just before they collide, the 370 g cart had a…
A: Note;“Since you have posted multiple questions, we will provide the solution only to the first…
Q: Given force AC = 100 N, what is force BC? ((Answer in whole numbers only. without units. No periods.…
A: Given that: AC=100 N To determine the value of BC.
Q: A conductor carrying a current I= 10.0 A is directed along the negativex axis and perpendicular to a…
A: It is given that,
Q: To bring a very big ship to a stop, its engines are typically cut off about 25 kms from port. Why?
A: A very big ship has an enormous large amount of mass , due to this its momentum will be very…
Q: When you parachute, you hit the ground with the same speed as free falling from a height of 4.5m,…
A: From equation of motion we know that v2= u2+ 2as . During freefall condition using initial velocity…
Q: A 7 kg particle is in a potential given by U(x) = 3 x^4 - 1 x^2 - 4 x + 8 (J). Calculate the…
A: Given: The mass of the particle m = 7 kg. The function of potential energy U(x) = (3x4-x2-4x+8) J.
Q: n a person sits, the cudriceps muscle stretches 24.5 mm. Failure of constant force exerting the…
A: Given values:- Muscle stretched length,(d)=24.5 mm=24.5 x 10-3 m ----(1) Muscle work,(W)=49 J=49 N-m…
Q: An electric car can go 150 km on a test track at a constant speed of 100 km/hr on one charge of its…
A: Given data: The distance traveled is d=150 km. The speed of car is v=100 km/hr. The new speed is…
Q: A 9 kg particle is in a potential given by U(x) = 2 x^4 - 6 x^2 - -2 x + 8 (J). Calculate the…
A: The force can be represented as, F=-dUdxma=-dUdxa=-1mdUdx
Q: what distance from the stopping point did he apply his brakes?
A: Given initial speed u = 480 km/h
Q: A particle P of mass 2 units moves on the positive x-axis under the force field F -4-2² - Initially…
A: Given: Force Field, F= (4 - x2)/x2 we know at the equilibrium point, F=0 so, [(4 - x2)/x2]= 0…
Q: A cable pulls an 267 kg safe up a slope inclined at 19 °, for 20 m on an very slippery oily surface.…
A: a) The normal force acting on a safe will be perpendicular to the inclined surface and the safe will…
Q: Find the work done by the force field F=(2x^2+2y^2)i+(3x+3y)j as an object moves counterclockwise…
A: The work done is the dot product of force and displacement. W→=F→.d→where W is the work done and d…
Q: Find the work done by the force field F(x, y, z)=xi+yj+4zk on a particle as it moves along the path…
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Q: #53
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Q: A car is parked at the top of a 70-m high hill. It slips out of gear and rolls down the hill. How…
A: solution as
Q: PartB: What1 the change in prers ure, in pascals,07 bluool atthe brain due To sitingup, neglecting…
A: As person sits up and height was raised due to this as a result heart needs to create more pressure…
Q: 44. The work done when the point of application of a force F=(15i+7k)N moves through a displacement…
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Q: What is the average power must produce to accelerate car with 1500 kg from rest to the speed 30…
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Q: What amount of work that need to be done by an external force on a particle on a frictionless,…
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Q: A stunt man jumps from the top of a tall platform and into a swimming pool below. His potential…
A: Introduction: From the law of conservation of the energy remain constant, it can be transform from…
Q: Why did you need to climb the stairs with a constant speed ?
A: Step1 - Understanding some basic concepts of physics that will be useful in this problem.…
Q: As a technical engineer in the army, you are part of a team in charge of testing and commissioning a…
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Q: A certain rain cloud at an altitude of 1.46 km contains 3.20 ✕ 107 kg of water vapor. How long would…
A: Take the surface of the Earth to be zero potential energy point. The work done by the pump must be…
Q: 9. Conservative or Not Conservative F(x,y) = (x²-yx)î + (y² – xy)j
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Q: A 3,000-kg truck leaves a freeway on a circular exit of radius 50 m at a speed of 15 m/s. What…
A: Given values:- Mass of a truck (m) = 3000 kg Radius (r) = 50 m Speed (V) = 15 m/s Centripetal…
Q: For a coin that is dropped at the top of the building, compare the potential energy at the bottom…
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Q: A traveler pulls on a suitcase strap at an angle of 31.6 degrees above the horizontal. if 566 J of…
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Q: Two protons start out a distance of 3 m from eachother; inititally the protons are at rest. They…
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Q: Usain Bolt grabs a rope hanging vertically from an overhead bar when he is running at 10.44 m/s. How…
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Q: Tarzan has a mass of 150 kg and from rest swings from the clif by rigidly holding on to the tree…
A:
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