A stone thrown horizontally from the top of a 24-m tower hits the ground at a point 18 m from the base of the tower. Find the speed with which the stone was thrown.

Q: The force exerted by an electric charge at the origin on a charged particle at a point (x, y, z)…

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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…

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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

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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: 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: You have been hired as an expert witness by an attorney for a trial involving a traffic accident.…

A: Let V→1i and V→2i be the initial velocities of plaintiff and defendant respectively,And let V→1f and…

Q: Find the work done by moving a particle in the vector field f along the curve c going counter…

A: The path is given in the figure below. It starts from A and ends at B.

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: 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: Find the work done by the force field F(x, y, z) = (y + z, x + z, x + y) on a particle that moves…

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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: 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: 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: Find the work done by the force field F = (y? cos a + z³)i + (2y sin æ – 4)j+ (3xz² + 2)k %3D in…

A: The force field is given as :  F=y2cos⁡x+z3i^+(2ysin⁡x−4)j^+3xz2+2k^ The work done by a variable…

Q: Tarzan has a mass of 150 kg and from rest swings from the clif by rigidly holding on to the tree…

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Q: Determine the dot product of the following vectors A * B  A=45 i + 65 j + 27 k B=46 i + 10 j + 43…

A: Given data:  A = 45 i + 65 j + 27 k B = 46 i + 10 j + 43 k Required: The dot product of vector A and…

Q: Find the work done by the force field F(x, y) x + i (y +2 ) j in moving an object along an arch of…

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Q: Calculate the acceleration of the particle when it is at x = 1 m, in m/s2.

A: potential of particle is given as  U(x) = x4-7x2-3x+8 J The relation between force and potential is…