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An electrical device with a resistance of 100 allows a current of 2A to flow through it what is the voltage drop across the device
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Explain how an image produced by a convex mirror is similar to an image produced by a concave lens.
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What is Newton's Law of Conservation of Momentum?
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At t= 0, a particle moving in the xy plane with constant acceleration has a velocity of Vi= (3.00i -2.00j) m/s and is at the origin. At t= 3.00 s, the particle's velocity is V = (9.00i + 7.00j) m/s . Find (a) the acceleration of the particle and (b) its coordinates at any time t.
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A positive test charge of 8.5 10 negative 7 Columbus experiences a force of 4.1 10 negative 1 N calculate the electric field created by the positive test charge also specify the direction of the electric field with respect to the force
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1.What is the most direct type of heat transfer? radiation conduction
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Define 1 kg of mass as international standard
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Rachel is looking at a swamp. She sees sandhill cranes swooping by, algae on a pond, small snails, fungi, and some fish. Explain how the organisms Rachel sees are connected and how they all help the swamp ecosystem thrive.
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Two similar metal spheres, A and B, have charges of +2.0 x10 6 coulomb and +1.0 x10 6 coulomb, respectively, as shown in the diagram below. What is the charge on each sphere after the spheres make contact and are then separated?
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An 85kg man is jogging with a velocity of 2.6m/s to the north .nearby a 65kg person is skateboarding and traveling with a velocity of 3m/s north .which person has greater momentum show your calculations
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What happens to momentum when two objects collide
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Astronomers are comparing two stars that are known to have thesame luminosity. Star A is observed to be 4 times brighter than star B.How far away is Star A compared to Star B?2 times closer4 times closer2 times farther16 times closer
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does anyone know any of these?
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Caleb conduce su motocicleta por con una velocidad constante de 38 km/h y luego por otras 2 horas con una velocidad constante de 20 km/h. Cul es su velocidad media para el viaje total?
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Whats the difference between the speed and velocity of an object?A.) Speed accounts for the distance traveled and the direction, whereas velocity considers only the distance traveled per unit of time.B.) Speed refers to the distance an object travels per unit of time only, whereas velocity also indicates the direction of travel.C.) Speed refers to the distance an object travels over time, whereas velocity represents the speed only at a given moment.D.) Speed refers to the distance the object travels only, whereas velocity accounts for the acceleration of the object.
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Which factor indicates the amount of charge on the source charge?A. the number of field lines on the test chargeB. the number of field lines on the source chargeC. the direction of lines on the source chargeD. the direction of lines on the test charge
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A centripetal force of 190 N acts on a 1,550-kg satellite moving with a speed of 5,300 m/s in a circular orbit around a planet. What is the radius of its orbit?
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A ladder is at rest with Oct upper end against a wall and its lower end on the ground.A worker is about to climb it.When is it more likly to slip
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Which statement is true about the loudness of a sound?A.) it is directly proportional to the distance of the listener from the source.B.) it is inversely proportional to the square of the distance of the listener from the source.C.) it is directly proportional to the square of the distance between the listener from the source.D.) it is inversely proportional to the distance between the listener from the source.
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what are power tools
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The gravitational field strength at the Earths surface is 9.8 m/sec^2. What is the field strength at a distance two Earth radio beyond the surface?
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It might be a good idea to talk to your parents about alcohol because:
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A body 'X' of weight 400N placed on the left side of a seesaw 250cm away from the pivot. A body 'Y' of weight 300N is placed on right side of seesaw 3.5m away from pivot. Has the seesaw attained equilibrium?Show your work?
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A student builds a simple circuit and a magnet under one of the circuit wires. When the switch is closed charges flow int the circuit and the wire moves
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