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Physics
Brent Walls
A 50kg child on a skateboard experiences a 75n force as shown what is the expected acceleration of the child?
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Physics
Veronica Dickerson
How many significant figures does the value 0.080 have? A. 1 B. 2 C. 3 D. 4
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Physics
Bullock
If a weightlifter lifts a 286 kg mass 0.25 meters above his head, how much PEg does the mass have?
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Physics
Trapper
A balanced three-phase 60 Hz source supplies power to a balanced A-connected inductive load. The line voltage is 440 V, the line current is 8.2 A, and the power delivered to the load is 5 kW.
(a) Calculate the load impedance per phase.
(b) Find the complex power generated by the source
(c) What should be done to increase the power factor to unity? Give the value of any component added to the circuit (per phase).
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Physics
Sergio Lutz
Which planet takes 29 years to orbit the sun
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Physics
India Blackburn
Why does the quantum mechanical description of many-electron atoms make it difficult to define a precise atomic radius?
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Physics
Karter Guzman
What are some forms of mechanical energy
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Physics
Osvaldo Lang
When you mix sugar into water in a beaker the sugar is no longer visible. what happens in the beaker
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Physics
Coco
When your engine is running, the battery is
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Physics
Ariella
What element is used as a lining in aprons to protect people in x rays
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Physics
Queenie
You pull a rope to the left with 300 N and a friend pulls the rope to the right with 425 N
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Physics
Jordyn Peterson
When light shines on a metal surface, the maximum energies of emitted electrons:
1. vary with the intensity of the light
2. vary with the frequency of the light
3. vary with the speed of the light
4. are random
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Physics
Aracely Stark
You are leaving for a concert that starts in 4 hours and is 224 miles from your house. What average speed (in miles per hour) do you need to travel in order to arrive at the concert on time?
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Physics
Abigayle Arellano
Can an object be in motion and not in motion at the same time? Explain.
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Physics
Cade Walter
6. In a Circular Coil the magnetic field lines take which shape?
O
Parallel Lines
O
Concentric Ellipses
O
Concentric Circles
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