1. A heater coil connected to a 220V ac line has a resistance of 42.1Ohm. What is the average power used?

2. What is the maximum value of the instantaneous power?

3. What is the minimum value of the instantaneous power?

Determine the electric potential given points : In the x-y plane, a point of +2.6 uC is on the x-axis at (-3 cm, 0), and a second point charge of -3.4 uC is also located on the x-axis at the point (5cm, 0 cm), Determine the Electric Potential...Va and Vb at the points Pa (0,0) and Pb (0, 6cm) |

What is magnitude of the current with the adjustable load : An additional variable power factor load is to be added to the factory. The new load will add 320kW to the factory. The power factor of the variable factor load is to be adjusted so that the overall power factor of the factory is 0.96 lagging. |

Stephanie martinez opened a latin fusion restaurant : Stephanie Martinez opened a Latin Fusion restaurant downtown in a large southerncity. |

Determine the load current i1 and the circuit current it : The power factor of a load connected to a 120-V 60-Hz source is raised from 0.866 lagging to 0.966 leading by connecting a 110.5-?F capacitor in parallel with the load. Determine the load current I1 and the circuit current IT. |

Find the maximum value of the instantaneous power : A heater coil connected to a 220V ac line has a resistance of 42.1Ohm. What is the average power used, What is the maximum value of the instantaneous power |

Makes the testamentary gifts : Emmett Tomas, a bachelor, makes the following testamentary gifts |

Evaluate the theoretical yield of potassium chromate : Calculate the theoretical yield of 1M of potassium chromate (50 ml) and Lead (II) nitrate 1 mol (50ml) |

Discuss examples of deleterious effects on management : Discuss examples of deleterious effects on management practice of theories in business, economics, ethics and/or management. |

Calculate the cross product of given vector : Vector A has components of +3 in the x-direction and -4 in the y-direction. Vector B has components -2 in the x-direction and +3 in the z-direction |

## What is the magnitude of the vector productVector A ? has magnitude 10.0m m and vector B ? has magnitude 18.0m m . The scalar product A ? ?B ? is 90.0m 2. What is the magnitude of the vector product |

## Determine the work completed by each of the forcesWhite light containing wavelengths from 400 nm to 750 nm falls on a grating with 7000 lines/cm. How wide is the first-order spectrum on a screen 2.10 m away. |

## How far has the football traveled horizontallyA football is thrown with an initial upward velocity component of 15.0 and a horizontal velocity component of 17.5 . How high does it get above the ground? How far has the football traveled horizontally from its original position? |

## How can fast will each be movingTwo identical +9.5 uC point charges are initially 3.5cm apart from each other. If they are released at the same instant from rest, how fast will each be moving as they are very far away from each other? Assume they have identical masses of 1 mg. |

## Imagine someone drops an apple from a vertical distanceimagine someone drops an apple from a vertical distance. |

## What constant torque bring it from rest to an angular speedA styrofoam cooler (k = 0.030 W/(m·K)) has outside dimensions of 0.270 m by 0.230 m by 0.280 m, and an average thickness of 2.6 cm. About how long would it take for 1.60 kg of ice at 0 °C to melt in the cooler if the outside temperature is 30.0 °C.. |

## Explain how far will the car travel before it overtakesAt the instant the car begins to accelerate, a truck with a constant velocity of 21 m/s passes in the next lane. Explain how far will the car travel before it overtakes the truck? |

## How much energy is lostA 0.12kg rubber ball is dropped from a height of 1.0m above the floor and it bounces back to a height of 0.80m, How much energy is lost |

## What is an average acceleration of canoeTwo joggers run at a constant velocity of 7.5 m/s toward the east. At time t=0, one is 15m east of the origin and te other is 15m west. |

## What must be the sign and magnitude of qA - 5.00 nC point charge is on the x axis at x = 1.20 m . A second point charge Q is on the x axis at -0.600m. a) What must be the sign and magnitude of Q for the resultant electric field at the origin to be 45.0N/C in the + x direction? |

## Find the downward acceleration of m2 massThe string connecting the m1 and the m2 passes over a light frictionless pulley. Given m1 = 1.77 kg, m2 = 7.24 kg, m3=2.23 kg, and g = 9.8 m/s2. The acceleration of gravity is 9.8 m/s2 . Find the downward acceleration of m2 mass. |

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