An object is projected horizontally with a velocity 6 m/s. What is its initial vertical velocity, vertical acceleration and horizontal acceleration? If it takes 2 sec to reach the ground, what is the horizontal distance travelled by the object?

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A: We are aware that a coal power plant has a first law efficiency of 41% and a rated output of 150 MW.…

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Q: Discuss what happens when a man fires a pistol in front of a flight of stairs in a large hall.

A: There will be an extended-pulse echo produced.

Q: I beleive there is an error in getting to the solution. 0.1kg is 100g. The work here shows 0.1kg =…

A:

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A: Weight = 20 pounds Weight per foot = 2.5 lb/ft Height = 50 ft Workdone, W = ?

Q: a force of 5 punds compresses a 15 inch spring a toatl of 3 inches how much work is done in…

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Q: Determine the total work

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A: Given: initial position of the spring balance (x1) = 0.1 m final position of the spring balance (x2)…

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Q: Certain force acting on a 20 kg mass ch.urlyc its velocity from 5 m/s to 2 m/s. Calcukate the work…

A: Introduction :  In this question we are provided it value of mass , initial velocity and final…

Q: Blocks A and B have a masses of 200 kg and 240 kg , respectively. (Figure 2) The coefficient of…

A: Concept used: A vector can be split into horizontal and vertical components.  An object has to…

Q: An object has its velecity increased by a factor of two, the kinetic energy is increased by a factor…

A: Let the mass of the object = m Let the initial velocity = v

Q: Question   a) A satellite of mass m = 3.6kg orbits the Earth 300km ab ove the Earth's surface. How…

A: Given, A satellite of mass m=3.6kg orbits in a radius of 300km above the Earth's surface.

Q: 1) Consider this half-sphere water tank of radius 5 meters. Suppose that this tank is completely…

A: The radius of the water tank is: The density of the water is:

Q: How much work is done in ergs in pulling a box 2 m across a table top with a force of 20 N in…

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Q: A 50 kg. diver gets ready to dive from a 10 meter high diving board. how much gravitational…

A: Given that,Mass of diver : m = 50 (kg)Height : h = 10 (m)Here we need to find the potential energy…

Q: Using eneray belane for d closod syateom chod cioleel Jor madels and negleting chenses in kinetic…

A: Solution:-Given thatmass of air (m)=0.2 kgIsochoric processInitial temperature (T1)=300 KFinal…

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A: No work is done if the water is to be pumped to the same level as the top. Now,Work done(W)…

Q: How much energy is possible to generate over a waterfalls. With a fall of 150ft and flow of 750,000…

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Q: Use conservative and non-conservative force to create a simple story.

A: Work done by conservative forces depends primarily on the initial and final points. Forces that are…

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A: Number of turbines,  Power generated by the wind farm,  Speed of the wind,  Diameter of the blades,…

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A: So we have given a circuit in which there are two resistances, a voltage or battery and a…

Q: Given: The energy equivalent of one gallon of gasoline is 1.3 x 10° J. A compact car has a mass of…

A: Given: The energy equivalent of one gallon of gasoline is Ee,gasoline=1.3×108 J/gal, The mass of…

Q: ric output power (kW) wit

A: Blade Chord is 0.2m long.Radius is 2.5mWind speed is 12 m/sAir density is 1.2 Kg/m3

Q: Suppose that 4 J of work is needed to stretch a spring from its natural length of 34 cm to a length…

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Q: Power, and a loaded grocery cortis rolling aros apating it in trang A Energy wind. You apply a…

A: The work done is the scalar product of force and displacement. W=F→·s→

Q: Suppose you could convert the 495 C in the cheeseburgeryou ate for lunch into mechanical energy with…

A: (a) The energy in cheeseburger is 495C. 495 C=495C×4.18 J1 C          =2069 J The expression for…

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

Q: Cadculate the kinetic Joules of a 70kg enesyy in toowesting at 4.26 mls

A: Given that                  Mass (m) = 70Kg                  Traveling (v) = 4.26m/s

Q: How much work must a 1000kg truck must produce to drive a 178km highway if an average force of 464N…

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Q: A partiche in releand from to b of buildry. After I secanothee partiche is releond fam pt 35m below…

A: Assume the height of the building to be H and the time taken for the particle A to reach the ground…

Q: Calculate the kinetic energy and potential energy of a 600 kg car up hill at 20 meters and is runnin…

A: kinetic energy = 12mv2 potential energy = mgh