What is the tension in the string
A 300 g block on a 54 -long string swings in a circle on a horizontal, frictionless table at 75. What is the speed of the block? What is the tension in the string?
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In a game of billiards, a red billiard ball is traveling in the positive x-direction with speed v and the cue ball is traveling in the negative x-direction with speed 3v when the two balls collide head on. Which statement is true concerning their
A rifle with a barrel length of 60 cm fires a 12 g bullet with a horizontal speed of360 m/s. The bullet strikes a block of wood and penetrates to a depth of 11 cm. How long does it take the bullet to come to rest?
The force exerted by the wind on the sails of a sailboat is Fsail = 380 N north. The water exerts a force of Fkeel = 200 N east. If the boat (including its crew) has a mass of 260 kg, what are the magnitude and direction of its acceleration?
A 35.0- battery with negligible internal resistance, a 50.0- resistor, and a 1.25- inductor with negligible resistance are all connected in series with an open switch. The switch is suddenly closed. How long after closing the switch will the curre
A man pushes a lawn mower on a level lawn with a force of 200 N. If 42% of the force is directed horizontally, how much work is done by the man in pushing the mower 4.8 m?
A 75.0kg man is riding in a shopping mall. The escalator moves the man at constant velocity from ground level to the floor above, a vertical height of 4.60m. What is the work done on the man by the gravitational force and the escalator?
A beam of alpha particles produced a current of 10^-14 A in a parallel-plate ionization chamber for 8 s. The chamber contained air at STP (36 ev ip^-1). If the chamber volume was 240 cm^3, what was the energy absorbed per unit mass in the chamber
what is the probability that an electron energy state in Ge will be occupied at temperature T=300 K if the energy state is greater than the Fermi energy by 2 eV? Repeat the calculations for T=77 K.
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Explain how that conflict between worldviews could be peacefully resolved. Please include citation and reference
Critics claim that elections for state judges Group of answer choices Neither of these statements are correct. undermine the court's ability
Why did the Democratic Party lose the 2010 midterm elections? Group of answer choices President Obama gambled
Why do some free speech advocates argue that administrator outreach to students about the impact of their speech can have a "chilling" effect?
What can be done to increase voter turnout in the United States? Be sure to give at least two concrete steps that can be taken.
Identify a possible research question from the article "Can We Really Defund the Police? A Nine-Agency Study of Police Response
What is the concept of borking? Group of answer choices The politicization of the nomination process through an organized public campaign