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Doogie
Physics
What particle is used as a beam to treat cancer
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Halfling
Physics
If a ball is thrown at some angle to the ground other than 90 degrees, and has a total flight time of 9.3s, to what height did it rise?
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Ace Arellano
Physics
An electron is held at a distance from a stationary, positively charged object. If the electron is released, what energy change will take place?
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Kellen Hester
Physics
What is the advantage of a free market economy?
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Luz Martinez
Physics
In a Little League baseball game, the 145 g ball enters the strike zone with a speed of 15.0 m/s. The batter hits the ball, and it leaves his bat with a speed of 21.0 m/s in exactly the opposite direction. What is the magnitude of the impulse delivered by the bat to the ball?
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Drew
Physics
An astronaut released hooks holding two spacecrafts together and the 68,000 kg shuttle pushed away from the space station with the aid of four large springs. If the 73,000 kg space station moved back at a speed of 0.50 m/s, how fast and in what direction did the space shuttle move?
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Harold Morales
Physics
Charges cannot flow without:
a. voltage.
b. low resistance.
c. high resistance.
d. a gap in the circuit.
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Krystal
Physics
How do you calculate the effort of a pulley?
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Efrain Tapia
Physics
The specific heat of iron is 0.11 cal (g°
c. a cafeteria fork made of iron has a mass of 20 grams. how much heat energy is needed to raise the temperature of this fork from 25°c to 75°c?
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Peanuts
Physics
The factors that can change in an experiment are called?
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Jacob Hayden
Physics
answers A 17.0 resistor and a 6.0 resistor are connected in series with a battery. The potential difference across the 6.0 resistor is measured as 15 V. Find the potential difference across the battery.
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Cornelius Richard
Physics
What term describes an atoms tendency to hold o to electrons
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Koen Morse
Physics
A car speeds up from 5 m/s to 12 m/s in 20 seconds. What is the
acceleration of the car?
O
A. 29 m/s2
O
B. 0.35 m/s2
C. 2.1 m/s2
O D. 11 m/s2
O
O
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Miya Kemp
Physics
Which of the following is a chemical reaction? A. A spoon bending B. Wood burning C. Plates being stacked D. A book being opened
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Abel
Physics
A 54-Ω resistor in a circuit has a voltage difference of 8 V across its leads. Calculate the current through the resistor.
What is the current resistor?
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