Pulling on a rope with a force
An 845-N sled is pulled a distance of 173 m. The task requires 1.20 104 J of work and is done by pulling on a rope with a force of 142 N. At what angle is the rope held?
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An empty slet of mass 25kg slides down a muddy hill with a constant of 2.4m/s. The slope of the hill is inclined at an angle of 15 degrees with the horizontal.
How and why an individual might incorporate that fallacy into his or her writing deliberately?
A proton is initially at rest at a point where the potential is 499 V. Some time later the proton is at a point where the potential is 211 V. If no force other than the electrostatic force acts on the proton, what is its final kinetic energy?.
Find the flux of the Earth's magnetic field of magnitude 5.00 10-5 T, through a square loop of area 30.0 cm2 for the following when the field is perpendicular to the plane of the loop
The front 1.20 m of a 1350 kg car is designed as a "crumple zone" that collapses to absorb the shock of a collision.
Next, a beaker of water is placed so that the iron block, suspended as above, is submerged in the beaker but not touching the bottom (see the figure). What mass (in kg) is now necessary to balance the scales?
President Obama has announced his intention to make Asia the focus of his future foreign policy. Imagine you have been given a chance to weigh in on that decision by writing a "white paper" in which you will argue for or against that position.
An artillery shell is fired with an initial velocity of 300 m/s at 63.0° above the horizontal. To clear an avalanche, it explodes on a mountainside 34.0 s after firing. What are the x and y components of the shell where it explodes, relative t
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Question: An outbreak of Listeria monocytogenes is suspected from a ready-to-eat meat product with a 30-day shelf life.
The Blue Bell Listeria outbreak highlighted sanitation failures. Identify two observations from FDA inspections that likely indicated biofilm presence
In general, what is the relationship between density of earth and temperature? Explain why.
You now turn your attention again to the lower intertidal zone. Individuals of all three species can survive there in the absence of the others
Which of the following occurs during the replication of a DNA molecule? A will be paired with G, and T will be paired with
What degree of invasiveness would you be willing to accept if you were conducting an experiment using brain measures to examine welfare?
Q1. Define extinction. Q2. Name and describe two natural factors that contribute to extinction.