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A method that uses a mathematical equation and the half-life of decay to determine the exact date of a fossil is known as _______. a. relative dating c. absolute dating b. comparative dating d. half-l
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Stion 1A body with initial velocity 8.0 m/s moves along a straight line with constant accelerationand travels 640 m in 40 s. For the 40 s interval, find (a) the average velocity, (b) the finalvelocity
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A golf course sprinkler system discharges water from a horizontal pipe at the rate of 7300 cm3/s. At one point in the pipe, where the radius is 4.84 cm, the water's absolute pressure is 2.8 105 Pa. A
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Which best describes what is occurring when a door is almost closed and rays of light fan out from the small opening?
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Derek’s organization uses an emerging technology that uses specialized software to place an image on an object, add dimensions to the image, and create an optical illusion of a moving object. Which
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What is the strength of the electric field 2.4 cm from a small plastic bead that has been charged to -9.0 nc ?
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The young's modulus of steel is 2.0 x 1011 n/m2 and the tensile strength is 8.0 x 108 n/m2 . the density of steel is 7.9 x 103 kg/m3 . (a) what is the maximum length of a steel cable that can hang ver
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The mass of a golf ball is 45.9 g . if it leaves the tee with a speed of 65.0 m/s , what is its corresponding wavelength?
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A solid object heated to 120°C is placed inside a container of water at 33°C. What is the BEST explanation of the resulting change in temperature? A) The temperature of both the water and solid will
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The appearance of color is a result of the absorption and reflection of certain wavelengths of light. A shirt appears a certain color because it reflects that color of light. On the other hand, a shir
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Which pair of vectors could be added together to form the vector shown? A.) 6 units left, 7 units down B.) 7 units right, 6 units down C.) 7 units left, 6 units down D.) 6 units right, 7 units down
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If a moving car speeds up until it is going twice as fast,how much kinetic energy does it have compared with its initial kinetic energy?
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A body of mass 5kg falls from height of 10m above the ground what kinetic energy of the body before it strike the ground
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A ball is left at an angle of 25 degrees to the horizontal from a plane at a height of 10 m with a velocity of 12m/s at what distance will the ball land on the horizontal surface at zero height?
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The part of the flower responsible for producing pollen (sperm) is the _______. A. stigma B. anther C. style D. filament
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A force of 58 newtons is applied to a crate at an angle of 32° with the horizontal. What is the value of force acting in the y–direction? 15.7 newtons 30.7 newtons 39.5 newtons 49.2 newtons
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According to Einstein’s theory, how does an increase in the number of photons affect a beam of light? The wavelength of the beam of light increases. The speed of the beam of light increases. The bri
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Researchers conducted an experiment to identify the effects of three different hand sanitizers on the growth of bacteria. The researchers grew one type of bacteria in twenty-four identical covered pet
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Please read carefully. I need Lab Report and Answers of questions. Thank you.
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A ____ is a region so dense that nothing, including light, can escape its gravity field. a. supernova c. black hole b. white dwarf d. supergiant Please select the best answer from the choices provide
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Which sentence best describes frustration? A. When you can't achieve your goal because you had a poor plan B. When you achieve your goals despite certain events C. When you can't achieve your goal du
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Which statement best describes the thermal properties of wool? A. Wool is an ideal thermal insulator because it completely resists the transfer of heat. B. Wool is an excellent thermal conductor beca
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A sound wave with a frequency of 100.0 Hz travels in water with a speed of 1,500 m/s and then travels in air with a speed of 340 m/s approximately how many times larger is the wavelength in water than
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Nina is researching a biome that has warm, humid summers; cold, long, and snowy winters; and at least four to six frost-free months each year. Which region is Nina studying? desert coniferous forest t
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A 9.0 cm object is 3.0 cm from a lens, which has a focal length of –12.0 cm. What is the distance of the image from the lens? cm What is the height of the image? cm What type of lens created this im
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How much time does it take a power drill accelerating at 64.3 rad/s2 to achieve 1500. rotations per minute(RPM)?
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A point charge of 6.0 C is placed 5.0 mm from a rod that has an electric field of 2.4 x 10^3 N/C the electric potential energy of the point charge (rounded to two significant figures) is
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A rocket in orbit just above the atmosphere is moving in uniform circular motion. The radius of the circle in which it moves is 6.381 × 106 m, and its centripetal acceleration is 9.8 m/s2 . What is t
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Mai jogs 800 m north and then turns and jogs 200 m back to the south. What is her velocity if it takes her 400 seconds? A. 2.5 m/s north B. 2.5 m/s south C. 1.5 m/s south D. 1.5 m/s north
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https://studydaddy.com/attachment/96528/correction+assignment2.pdf
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Which of the following describes the importance of cyanobacteria to early Earth atmosphere formation? A.) Cyanobacteria released oxygen into the air, creating a protective ozone layer B.) Cyanobacter
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A diffraction grating separates different wavelengths of light from one another using diffraction through many small openings. Which principle of diffraction does this separation of light depend on? A
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https://studydaddy.com/attachment/96431/PCS406_Assign_2_w2018.pdf
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hello, I need help with this assignment https://studydaddy.com/attachment/96431/PCS406_Assign_2_w2018.pdfyou said you can help me for 40$ would it be possible to finish it in 1 hour and 30 minutes?
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https://studydaddy.com/attachment/96528/correction+assignment2.pdf
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The average mass of a rhinoceros calf is 45 kg. What is its weight in newtons? Round your answer to the nearest whole number. A. 5N B. 45N C.250 N D. 441 N I will mark brainliest for whoever gets this
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Earth's atmosphere traps energy from the sun which is a direct result of the trapping of energy by Earth's atmosphere?
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A force of 230 N applied on a hydraulic lift raises an automobile weighing 6500 N. If the applied force is exerted on a 7.0 m^2 piston, what is the area of the piston beneath the automobile? a. 2.0 x
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Two charged parallel plates are 0.25 meters away from each other. The field between the plates is 600 . What is the electric potential difference?
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An electron is confined to an infinite 1-dimensional well of width L = 1.5 nm. At t = 0 it is in a superposition of the ground state and second excited state: Ψ(x,t=0) = aΨ1 + bΨ3 , where Ψ1 and
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Please help me with this. Please show work as well. Thanks :) An empty graduated cylinder has a mass of 75grams. Then filled with 50milliliters of liquid, it has a mass of 115grams. Calculate the dens
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A 18.0 Ω lightbulb is connected to a 18.0 V battery. (a) What current flows through the bulb? A (b) What is the power of the bulb? W
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Fill in the blanks below: The flow of electricty is similar to the movement of water through a pipe. The movement is the __________, the force of the current is the __________, and the rate of the cur
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Which statement offers an explanation for why some parts of John Dalton’s atomic theory were proven to be false?
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This chart shows the volumes of four different objects. If the objects all have the same mass, which object is the most dense?
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Daniel observed and compared some stars at night and recorded his observations in a chart. Daniel later discovered that star X is farther away from Earth than the other stars he observed, and star Z i
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Two ends of an inextensible string of length 12m are attached to points Aand B 1.2m apart,in the same horizontal plane.a mass 20kg is suspended from the middle point C of the string and the system is
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The yield strength for an alloy that has an average grain diameter of 1.6 × 10-2 mm is 320 mpa. at a grain diameter 3.9 × 10-3 mm, the yield strength increases to 480 mpa. at what grain diamet
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A positive charge of 6.0 × 10-4 C is in an electric field that exerts a force of 4.5 × 10-4 N on it. What is the strength of the electric field?
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Objects of equal mass are oscillating up and down in simple harmonic motion on two different vertical springs. the spring constant of spring 1 is 175 n/m. the motion of the object on spring 1 has twic
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