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Mejia
Physics
How much power should a braked 1.5t car have to be braked to reduce its speed from 30m / s to 10m / s in 5s?
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Annie
Physics
Find the resistance of a 0.03 m long copper wire with a radius of. 005 m (Area of a circle: π r²).
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Palmer
Physics
An object of mass 82kg is accelerated upward at 3.2m/s/s. what force is required
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Messiah Petersen
Physics
The gas tank of a certain luxury automobile holds 22.3 gallons according to the owner's manual. if the density of gasoline is 0.8206 g/ml, determine the mass in kilograms and pounds of the fuel in a full tank.
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Joselyn Miller
Physics
What do magnets and electricity have in common
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Brendon Briggs
Physics
The formula d = 1.1 t 2 + t + 2 expresses a car's distance (in feet to the north of an intersection, d, in terms of the number of seconds t since the car started to move. As the time t since the car started to move increases from t = 2 to t = 6 seconds, what constant speed must a truck travel to cover the same distance as the car over this 4-second interval? feet per second As the time t since the car started to move increases from t = 7 to t = 7.1 seconds, what constant speed must a truck travel to cover the same distance as the car over this 0.1-second interval?
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Tiana Cruz
Physics
An oxygen atom (mass 16 u) moving at 733 m/s at 15.0^/circ15.0 ∘ with respect to the / hat{i} i ^ direction collides and sticks to an oxygen molecule (mass 32 u) moving at 528 m/s at 128^/circ128 ∘ with respect to the / hat{i} i ^ direction. The two stick together to form ozone. What is the direction of the final velocity of the ozone molecule?
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Madalyn Larsen
Physics
A ball with a mass of 500g is lifted to a shelf 2 meter above ground. Calculate for the gravitational potential energy gained by the ball
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David Arnold
Physics
Under what conditions would the length of a day be the same as the length of a night, year-round? A. if earth's revolution were faster B. if earth's orbit were closer to the sun C. if earth had no moon D. if earth's axis weren't tilted
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Derick Watkins
Physics
Find the electric flux passing through the 45° surface of an upright circular cone with a base diameter of 4 m if the electric field going through it is a uniform 20 N/C directed straight upward.
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Sarah Rivas
Physics
A 3000 kg freight train traveling at a rate of 2 m/s strikes a stationery 3000 kg freight car and couples up. What is the speed of the 2 cars as they move together after the collision?
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Nina Shannon
Physics
20. What unit of measurement would you choose to measure
a. the amount of juice you drank for breakfast?
b. the amount of salt you put on French fries?
c. the amount of water you use in the shower?
d. the amount of water your family uses in one year?
e. the distance from here to Hope, B. C.?
f. the distance from here to the moon?
g. the amount of energy in a liter of gasoline?
h. the amount of farmland on a wheat farm?
i, the thickness of a piece of notepaper?
the width of a piece of notepaper?
k the length of an AIDS virus?
I the size of a single atom of Carbon?
m. the frequency of Z-95.3 on the FM radio?
n. the temperature on Pluto?
o. the mass of a mountain bike?
p. the mass of your heaviest relative?
g. the mass of a Ford Mustang convertible?
r. the mass of the Earth?
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Isiah Mcdowell
Physics
What difficulties have slowed efforts to conduct controlled fusion reaction?
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Rohan Hampton
Physics
Which forces are interacting when a bowling ball is pick up?
a. gravity
b. inertia
c. apull
d. all of these
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Cantu
Physics
3. Do you have an issue with the NSA monitoring citizens' phone calls, text messages, emails, etc.?
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