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Using this formula...E=10^(1.5m+11.4) How much more energy is released in an M = 8.3 earthquake than in an average quake of
1. 1 answer
2. 496 views
M = log(E)-11.4/1.5How do you express E in terms of M?
1. 2 answers
2. 626 views
United States currency is printed using intaglio presses that generate a printing pressure of 8.1 x 104 lb/in2. A $20 bill is
1. 1 answer
2. 934 views
An airtight box has a removable lid of area 2.87 × 10-2 m2 and negligible weight. The box is taken up a mountain where the air
1. 0 answers
2. 765 views
Accomplished silver workers in India can pound silver into incredibly thin sheets, as thin as 3.00 x 10-7 m (about one hundredth
1. 1 answer
2. 3,241 views
Two chambers are filled with a fluid. The ceiling of chamber 1 is at the same level as the floor of chamber 2. The pressure at
1. 0 answers
2. 1,044 views
The drawing shows two blocks that are placed at the ends of a massless board. The board is balanced on a support that serves as
1. 1 answer
2. 1,739 views
The drawing shows three objects rotating about a vertical axis. The mass of each object is given in terms of m0, and its
1. 3 answers
2. 4,013 views
A hiker, who weighs 811 N, is strolling through the woods and crosses a small horizontal bridge. The bridge is uniform, weighs
1. 1 answer
2. 635 views
The figure shows a jet engine suspended beneath the wing of an airplane. The weight of the engine is 12600 N and acts as shown
1. 1 answer
2. 738 views
The drawing illustrates an overhead view of a door and its axis of rotation. The axis is perpendicular to the screen. There are
1. 2 answers
2. 3,371 views
An auto race takes place on a circular track. A car completes one lap in a time of 22.8 s, with an average tangential speed of
1. 1 answer
2. 1,043 views
The earth spins on its axis once a day and orbits the sun once a year (365 1/4 days). Determine the average angular velocity (in
1. 1 answer
2. 3,053 views
The table that follows lists four pairs of initial and final angles of a wheel on a moving car. The elapsed time for each pair
1. 1 answer
2. 2,894 views
A pitcher throws a curveball that reaches the catcher in 0.65 s. The ball curves because it is spinning at an average angular
1. 1 answer
2. 1,155 views
A meter stick is rotated about the end labeled 0.00 cm, so that the other end of the stick moves through an arc length of 6.04
1. 1 answer
2. 1,538 views
Which expression calculates the time in hours an object takes to travel 38 miles at a speed of 2 m/h ?38+2 382 38−2 38⋅2
1. 9 answers
2. 1,267 views
The National Aeronautics and Space Administration (NASA) studies the physiological effects of large accelerations on astronauts.
1. 1 answer
2. 780 views
Car A uses tires for which the coefficient of static friction is 0.222 on a particular unbanked curve. The maximum speed at
1. 1 answer
2. 542 views
A centrifuge is a device in which a small container of material is rotated at a high speed on a circular path. Such a device is
1. 1 answer
2. 4,277 views
A computer is reading data from a rotating CD-ROM. At a point that is 0.0302 m from the center of the disk, the centripetal
1. 1 answer
2. 1,986 views
Computer-controlled display screens provide drivers in the Indianapolis 500 with a variety of information about how their cars
1. 1 answer
2. 556 views
There is a clever kitchen gadget for drying lettuce leaves after you wash them. It consists of a cylindrical container mounted
1. 1 answer
2. 3,244 views
Speedboat A negotiates a curve whose radius is 140 m. Speedboat B negotiates a curve whose radius is 295 m. Each boat
1. 1 answer
2. 1,064 views
A car travels at a constant speed around a circular track whose radius is 2.66 km. The car goes once around the track in 200 s.
1. 1 answer
2. 645 views
Consider the following generic equation:3A + B ---> 2C + D 2.0 mol A and 1.0 mol B react to form 1.0 mol C. What is the percent
1. 1 answer
2. 660 views
A 3.67-g bullet, traveling at a speed of 484 m/s, strikes the wooden block of a ballistic pendulum, such as that in Figure 7.14.
1. 0 answers
2. 546 views
After skiding down a snow-covered hill on an inner tube, Ashley is coasting across a level snowfield at a constant velocity of
1. 1 answer
2. 598 views
A two-stage rocket moves in space at a constant velocity of +4660 m/s. The two stages are then separated by a small explosive
1. 1 answer
2. 676 views
A 0.540-kg ball is dropped from rest at a point 2.30 m above the floor. The ball rebounds straight upward to a height of 1.10 m.
1. 1 answer
2. 1,291 views
A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates. The incident water stream has a
1. 0 answers
2. 694 views
Two particles are moving along the x axis. Particle 1 has a mass m1 and a velocity v1 = +4.3 m/s. Particle 2 has a mass m2 and a
1. 1 answer
2. 1,878 views
The drawing shows three particles that are moving with different velocities. Two of the particles have mass m, and the third has
1. 1 answer
2. 1,878 views
Four very thin rods, each 13 m long, are joined to form a square, as part (a) of the drawing shows. The center of mass of the
1. 0 answers
2. 1,040 views
A high-jumper, having just cleared the bar, lands on an air mattress and comes to rest. Had she landed directly on the hard
1. 1 answer
2. 2,083 views
A 2.9-kg cart is rolling along a frictionless, horizontal track towards a 1.5-kg cart that is held initially at rest. The carts
1. 1 answer
2. 1,449 views
In a science fiction novel two enemies, Bonzo and Ender, are fighting in outer spce. From stationary positions, they push
1. 0 answers
2. 1,029 views
Two arrows are fired simultaneously with the same speed of 30.0 m/s. Each arrow has a mass of 0.100 kg. One is fired due east
1. 1 answer
2. 2,556 views
A 53.8-kg skater is standing at rest in front of a wall. By pushing against the wall she propels herself backward with a
1. 1 answer
2. 1,694 views
The hail comes straight down at a mass rate of m/Δt=0.0690 kg/s and an initial velocity of v0= -15.0 m/s. Suppose that the hail
1. 2 answers
2. 2,131 views
A car, starting from rest, accelerates in the +x direction as in the figure. It has a mass of 1.10 × 103 kg and maintains an
1. 1 answer
2. 5,710 views
A 45-kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline, her kinetic
1. 1 answer
2. 789 views
A 64.2-kg skateboarder starts out with a speed of 2.21 m/s. He does 98.0 J of work on himself by pushing with his feet against
1. 1 answer
2. 501 views
A 1450-kg submarine rises straight up towards the surface. Seawater exerts both an upward buoyant force of 16890 N on the
1. 2 answers
2. 4,931 views
A worker stands still on a roof sloped at an angle of 43° above the horizontal. He is prevented from slipping by a static
1. 1 answer
2. 1,087 views
Part (a) of the drawing shows a bucket of water suspended from the pulley of a well; the tension in the rope is 56.0 N. Part (b)
1. 1 answer
2. 771 views
The drawing shows a wire tooth brace used by orthodontists. The top-most tooth is protruding slightly, and the tension in the
1. 1 answer
2. 1,126 views
Three forces act on a moving object. One force has a magnitude of 76.5 N and is directed due north. Another has a magnitude of
1. 1 answer
2. 1,452 views
The space probe Deep Space 1 was launched on October 24, 1998. Its mass was 474 kg. The goal of the mission was to test a new
1. 2 answers
2. 1,666 views
Only two forces act on an object (mass=3.19 kg), as in the drawing. Find (a) the magnitude and (b) the direction (relative to
1. 1 answer
2. 1,007 views
An apple crate with a weight of 225 N accelerates along a frictionless surface as the crate is pulled with a force of 14.5 N as
1. 2 answers
2. 12,821 views
A mountain climber, in the process of crossing between two cliffs by a rope, pauses to rest. She weighs 520 N. As the drawing
1. 1 answer
2. 673 views
1. Which of the following examples are allowed under the Lemon test? Select all that apply.(2 points)Unselected answer (0 pts)
1. 0 answers
2. 177 views
i need help with a problem wanting me to explain the differences between silver and gold using the terms atom and elements
1. 0 answers
2. 419 views
A signaling protein with both a SH2 and a SH3 domain binds to the phosphorylated form of its target protein with a Kd of 0.23
1. 0 answers
2. 465 views
Consider two fly wheels labeled A and B both of which are spinning with the same angular velocity. Each flywheel consists of two
1. 0 answers
2. 557 views
which of these prices is lower than 5 for $3.00
1. 3 answers
2. 647 views
Why did the neolithic agricultural revolution mark a turning point in history?
1. 2 answers
2. 1,194 views
The 500 kg video display will be raised to its position 20 m above thearena floor by a motorized winch powered by a 12 volt
1. 1 answer
2. 541 views
Find an equation of the tangent line to the graph of f at the given point.f(x) = x + (4/x), (4,5) I tried using the limit
1. 1 answer
2. 645 views
Water drips from a faucet into a flask at the rate of two drops every 5 seconds. A milliter of water is 20 drops. What volume of
1. 1 answer
2. 533 views
Triangle ABC is given by the points A(1,1), B(3,2), C(2,3). Consider each rule of transformation. Does the rule result in an
1. 1 answer
2. 1,322 views
For two angles, <ABC and <DBC, m<ABC = 30 and <DBC is its complement. Ray BE is the angle bisector of <ABD. Consider each angle.
1. 2 answers
2. 916 views
A bag contains 7 white, 15 blue, 14 red, 10 yellow, and 4 green marbles. What is the probability of selecting a white marble
1. 1 answer
2. 458 views
1+n____ =4 4
1. 1 answer
2. 289 views
To earn a B in your Algebra class, you must achieve an unrounded test average between 84 and 86 (inconclusive). You scored
1. 1 answer
2. 1,825 views
In order to analyze the wastewater containing cu2+ from a manufacturing process, 1.0L of water was evaporated to 10.0mL, then
1. 0 answers
2. 490 views
What will result from an increased life expectancy and improved health care?
1. 4 answers
2. 1,104 views
Jacob mixes the letters J,K,L,J,K,M,N and P throughly. Without looking Terry draws one letter. Expressed as a fraction, decimal
1. 138 answers
2. 10,554 views
An object of weight W hangs by three ropes as shown above. What is the value of the angle @ if T1 = T2 = W?____________ \@ @/
1. 0 answers
2. 673 views
Sulfur dioxide in the effluent gases from coal-burning electric power plants is one of the principal causes of acid rain. One
1. 1 answer
2. 1,288 views
Calculate the pH of 0.250 L of a 0.65 M formic acid (HCO2H) - 0.10 M sodium formate (HCO2Na) buffer before (on your own) and
1. 1 answer
2. 706 views
Shortly after quitting a smoker willA. Develop shortness in breath B. Regain their senses of smell and taste C. Lose circulation
1. 20 answers
2. 3,686 views
A respiratory disorder in which the bronchi become inflamed and thick mucus in produced is calledAsthma** Bronchitis Cancer
1. 28 answers
2. 3,466 views
A basketball team recently scored a total of 92 points on a combination of 2-point field goals, 3-point field goals,
1. 2 answers
2. 1,336 views
Use the function rule to complete the table.-10x + y = 4 X -2 -1 0 1 2 Y * * * * *
1. 45 answers
2. 11,916 views
Find the function rulex -2 -1 0 1 2 Y 9 4 -1 -6 -11
1. 1 answer
2. 373 views
Karina has an 8 1/2inch by 11inch sheet of paper.She wants to leave a 3/4 inch margin on all 4 sides. What are the dimensions of
1. 2 answers
2. 355 views
Karina has an 8.5in by 11in sheet of paper.She wants to leave a 3-4ths inch margin on all 4 sides.What are the dimensions of the
1. 1 answer
2. 415 views
A girl standing on a bridge throws a stone vertically downward with an intial velocity of 15.0 m/s into the river below. If the
1. 3 answers
2. 4,069 views
A girl standing on a bridge throws a stone vertically downward with an initial velocity of 15.0 m/s into the river below. If the
1. 1 answer
2. 1,428 views
Give examples of three functions and three relations, using at least three differentrepresentations (e.g., symbolic
1. 1 answer
2. 626 views
If theta is an acute angle of a right triangle and cos theta equals 3/8, what is the value of csc theta?
1. 1 answer
2. 993 views
The problem has two related parts1) let a be an arbitrary real number. Find the distance between the point (1,2) and the point
1. 2 answers
2. 514 views
32,48,72,108...Arithmetic or geometric I think it is arithmeticThen Find common difference or ratio multiple of 12? What are the
1. 2 answers
2. 2,882 views
A principal of $2000 was invested in a savings account for 4 years. If the interest earned for that period was $480 what is the
1. 2 answers
2. 1,623 views
The track team ran a mile and a quarter during its practice. How many kilometers did the team run?
1. 1 answer
2. 789 views
It took Eric 8 hours to drive to a job interview. On the way home, he was able to increase his average speed by 18mph and make
1. 1 answer
2. 1,236 views
Kate’s garden measures 15 yards by 12 yards. In order to make a path around it, she will need to reduce the size of her
1. 2 answers
2. 652 views
Ralph had 3/4 of a pie left. He divided this into six equal sized slices. What fraction of the original pie was eaten?
1. 1 answer
2. 465 views
You have a credit card with a balance of $3000. Each month the minimum payment is 2.5% of the balance. The monthly interest rate
1. 0 answers
2. 591 views
1. The problem statement, all variables and given/known dataA 2.0-m measuring stick of mass 0.175 kg is resting on a table. A
1. 0 answers
2. 869 views
At t = 0 s,a particle of mass 7.08 kg starts from rest at the origin and moves with a velocityv = 6.00t^2i(hat) − 6.00tj(hat)
1. 3 answers
2. 724 views
A single engine aircraft can fly 120 mph in still air. If the aircraft can fly 490 miles flying with the wind in the same amount
1. 1 answer
2. 797 views
2 KMnO4 + 5 H2C2O4 + 3 H2SO4 ---> 2 MnSO4 + 10 CO2 + 8 H2O + K2SO4How many milliliters of a 0.123 M KMnO4 solution is needed to
1. 7 answers
2. 1,029 views
The mass of a beetle is 0.000004kg. If a beetle's center of mass rises 0.75 mm while it is pushing against the floor and then
1. 2 answers
2. 2,565 views
An object has a length of 5.2 cm a width of 3 cm and a height of 1.5 cm what's the volume
1. 1 answer
2. 844 views
A train from York to Dalton left at the same time as a train from Dalton to York. One train traveled 68 kilometers per hour, and
1. 1 answer
2. 539 views
Police find skid marks 65.0 m long on a highway showing where the car made an emergency stop. Assuming the acceleration was
1. 1 answer
2. 1,961 views
An object is traveling at a constant speed of 12.0 m/s when it slows to a stop. If it takes 10.0 m for the object to stop, what
1. 1 answer
2. 581 views

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