11 3.0 m A 200 kg piano 3.0 m up a frictionless 200 incline at a constant speed? How much work is done? Enter your answer

Q: An 8,000 kg bus was coasting when its engine suddenly began to malfunction. This happened at pt. A…

A: Note : According to our guidelines , we are only allowed to answer 3 subparts per question . If you…

Q: What is work

A: Work is said to be done when a force applied to an object moves that object. Work is defined as a…

Q: What is the work done lifting a 20kg child from the floor to a height of 2m? (Note that a mass of…

A: Given  Mass(m) = 20 kg  Height (h) = 2 m  Acceleration due to gravity near earth surface (g) = 9.8…

Q: How much work is done against gravity in lifting a 9 kg object through a vertical distance of 55 cm?…

A: Expression for force applied to lift the object -  F=mg Where m=Mass=9 kg  g=Acceleration due to…

Q: How much work is done raising at 3 kg mass 5 meters inthe vertical direction

A:

Q: Choose the BEST answer to the following: When 100 J are put into a device that puts out 40 J of…

A: Given:Output energy=40JInput energy=100J

Q: Two straight parallel wires are separated by 6.7 cm. There is a 2.8 -A current flowing in the first…

A: Given :- The two wire separated by the d = 6.7 cm = 0.067 m  The current in the first wire is I1…

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: -1 A satellite is in an elliptical orbit with a semi major axis of 8000km and an eccentricity of…

A: We know, The velocity of the satellite at perigee, vp=GM1+ea1-e       Equation 1 where, GM is the…

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: A 2.0-kg particle is in a collision with a second particle of mass 3.0-kg initially at rest. The…

A:

Q: This problem deals with the RC circuit shown here, containing a resistor (R ohms), a capacitor (C…

A:

Q: becomes embedded in the block, and simple harmonic oscillations result. m M x= 0 (a) Determine the…

A: Bullet mass = m Initial speed of bullet u1 = v Block mass = M Initial speed of block u2 = 0 m/s (at…

Q: 3. Suppose you run three different paths from a to b. Along which path(s) would your distance…

A: Distance and displacement are closely related to each other in the following way : Distance is the…

Q: Why does the force of gravity do work on a car that rolls down a hill but no work when it rolls…

A:

Q: 4 Calculate the magnitude and direction of the torque of each force about an axis passing through a…

A: Torque is given by  Torque = Force x perpendicular distance

Q: Calculate the total kinetic energy, in Btu, of an object with a mass of 10 lbm when its velocity is…

A:

Q: Calculate the work done when a force of 15 N moves a body by 5 m in its direction.

A: Introduction :  In this question we are provided with value of  force and displacement . with these…

Q: Calculate the work done on a laptop with a mass of 2 kg when it is pushed 0.5 m with a force of 5 N.

A: Given: F = 5 Ns = 0.5 m To find: Work done(W)

Q: From where does the pole vaulter get the energy needed to bend the pole and then rise over the bar

A: To determine: From where does the pole vaulter get the energy needed to bend the pole.

Q: 3. An 18-gauge copper wire (p = 1.72x10% 0.m) has a diameter of 1.02 mm and a cross- sectional area…

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Q: length 0.32 m can gener Tin its core when its coils windings made of a nio

A: Given as, B=7.0 T,l=0.32 m,I=70 A.

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

Q: A force of 50 N acts on a body and moves it through a distance of 5 m in the direction of force.…

A:

Q: WHAT FORM IS MOST OF THE ENERGY EXPENDED BY A SWIMMER ULTIMATELY CONVERTED WHEN SHE SWIMS AT A…

A: Most of her Energy converts into Heat Energy.

Q: arning Task 3: Make a diagram abou ential energy and electric field. Explai

A: We need to give the relationship between the electric potential with work, potential energy and…

Q: = 0.01173 8. What is the power dissipation through the following resistors: R₁, R₁, and R₁3. See the…

A:

Q: Show that a machine that has an input of 100 J and an output of 40 J is 40% efficient.

A:

Q: How much work is done by lifting a 50kg on to a 2.5 m high ledge?

A:

Q: By definition, when is mechanical work done?

A: Definition:- Mechanical work done is termed as how much energy or force we applied to move an…

Q: A spring has a natural length of 30cm if a 30N force is required to keep it stretched to a length of…

A:

Q: 2-) Three experiments are performed with a convex lens: - When the distance between object and lens…

A: SOlution: Given that distanc eog object and mage on teh axis lines.

Q: Why does the force of gravity does no work on a car that rolls down a hill but no work when it rolls…

A: Actually there is a small mistake in the given question. The question is the force of gravity does…

Q: If the speed of an object is tripled, what happens with its kinetic energy? Explain

A: If the speed of an object is tripled then we have to find what happens with its kinetic energy?