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Erica Villanueva
Physics
Two tugs are pulling a barge. If one pulls with 20000 Newtons of force at the angle of 45 degrees to the left, from one side of river, what force should the other tug pull from the other side of the river that is 30 degrees to the right to keep the barge going straight?
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Mara Barajas
Physics
If you transfer a liter of oxygen into a 2 liter container and the gas expands to fill the entire container. Does the density of the oxygen change?
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Guest
Physics
The figure shows two 1.0 kg blocks connected by a rope. a second rope hangs beneath the lower block. both ropes have a mass of 250
g. the entire assembly is accelerated upward at 3.0 m/s2 by force fâ -.
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Maria Hopkins
Physics
Calculate the rotational inertia of a meter stick, with mass 0.390 kg, about an axis perpendicular to the stick and located at the 21.1 cm mark. (Treat the stick as a thin rod.)
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Arianna Evans
Physics
A pesticide was applied to a population of roaches, and it was determined that the LD50 was 55mgkg. If the average mass of a roach was 0.02kg, which of the following approaches will determine the dose in mg per roach?
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Camilla Mooney
Physics
Sam and Francis move a couch from their living room to a moving truck
using a combined force of 60 Newtons. The distance from the living room to
the truck is 13 m. How much work did they do?
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Tiffany Meyer
Physics
Which best describes the steps involved in the operation of an electric generator?
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Dominique Choi
Physics
In what direction does an object move when affected by an unbalanced force?
Large force = ... Small force=
Large Mass = ... Small Mass=
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Renee Walter
Physics
How are parentheses used in chemical formulas?
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Peppa Pig
Physics
The increase in temperature with depth in the Earth is called the geothermal
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Amare Singleton
Physics
Which of these most directly impacts a person's physical health?
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Miley Warren
Physics
A sound wave is made of a series of compressions and
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Rivers
Physics
A tv has a power of 110 watts and an efficiency of 75 percent. how much power is wasted as heat?
A. 4.4w
B. 82.5w
C. 27.5w
D. 1.5w
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Lester
Physics
What is the net force required to give an automobile with a mass of 1,600 kg an acceleration of 4.5 m/s2
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Hamza Perez
Physics
Which of these follows from Newton's laws about the energy of a moving object?
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