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Which phrase best describes matter? A. Matter is made of atoms and is too small to see. B. Matter is solid and heavy. C. Matter has mass and takes up space. D. Matter has volume and takes up space.
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CAN SOMEONE PLZ HELP ME OUT CAUSE IM CONFUSED Match the phrase with the correct benefit of stretching. ANSWER OPTIONS: 1. Decreasing joint stiffness, 2. Improved ability to relax, 3. Improved posture
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When you lift a bowling ball with a force of 87 n , the ball accelerates upward with an acceleration a. if you lift with a force of 98 n , the ball's acceleration is 2a?
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A 50-g flake of aluminum is submerged in liquid nitrogen and left immersed until it is in thermal equilibrium. The flake is then removed and placed in a well-insulated container with 493 ml of water a
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The electric field everywhere on the surface of a charged sphere of radius 0.293 m has a magnitude of 510 n/c and points radially outward from the center of the sphere. what is the net charge on the s
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If each of the posts has an unloaded length of 1 m and a cross-sectional area of 650 mm2 , and the spring has a stiffness of k = 4 mn/m and an unstretched length of 1.02 m , determine the vertical dis
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A slit has a width of w1 = 4.0 × 10-6 m. when light with a wavelength of λ1 = 648 nm passes through this slit, the width of the central bright fringe on a flat observation screen has a certain value
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Measuring the temperature of very cold substances can be challenging. Here is one way to measure the temperature of liquid nitrogen. A 50-g flake of aluminum is submerged in liquid nitrogen and left i
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A dam is a structure built across a river to hold back the river's water. The flow of water through a dam is controlled by gates. When the gates are closed, water is held at a greater height than it w
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Give examples of the one element from the alkaline earth metal group and one from the noble gases group. Include each element atomic number, atomic mass number of neutrons of valence electron number o
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A college student exerts 100N of force to lift his laundry basket the weighs 75N. at what rate is the basket accelerated upwards?
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Two sinusoidal waves of the same frequency travel in the same direction along a string. if ym1 = 3.8 cm, ym2 = 5.6 cm, φ1 = 0, and φ2 = π/2 rad, what is the amplitude of the resultant wave?
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The size (radius) of an oxygen molecule is about 2.0 ×10−10m. make a rough estimate of the pressure at which the finite volume of the molecules should cause noticeable deviations from ideal-gas beh
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Seven lb of propane in a piston-cylinder assembly, initially at p1=200 lbf/in.2 and t1=200℉ , undergoes a constant-pressure process to a final state. the work for the process is -88.84 btu. at the f
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If your kinetic energy is different from your work input (either greater or less) throughly explain what caused this
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If 45.1 m of nichrome wire is to have a resistance of 11.2 ω at 20.0°c, what diameter wire should be used?
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Determine the design tensile strength (φpn) for a tension member composed of a pl5 × 8 with holes punched for 3 in.
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A truck is traveling at a constant speed of 67.1 miles per hour when it passes a sports car which is at rest. 1.00 s later, the sports car begins motion from rest and travels with uniform acceleration
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A steady normal shock wave occurs in an air flow at a point where the velocity is 680 m/s, the static pressure is 100 kpa, and the static temperature is 50°c. calculate the velocity, and static press
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A platform is executing simple harmonic motion in a vertical direction with an amplitude of 5 cm and a frequency of 10/π vibrations per second. a block is placed on the platform at the lowest point o
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To get an spaceship into orbit, it has to move about as fast as the speed of sound about as fast as the speed of light about 18,000 miles per hour there is no minimum speed for orbital motion
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Name and describe an alternative renewable energy source in a complete sentence. Hint-Kenetic energy is the energy of motion,and potential energy is related to position.
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A body A of mass 1.5kg, travelling along the positive x-axis with speed 4.5m/s, collides with another body B of mass 3.2kg which, initially, is at rest. Because of the collision, A is deflected and mo
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Which part of the war picks up vibrations from the atmosphere? A. Eardrum B. Bones of the middle ear C. Hair cells D. Nerve from the inner ear
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1. Go toi. HYPERLINK "http://science-edu.larc.nasa.gov/energy_budget/" http://science-edu.larc.nasa.gov/energy_budget/ and review. Focus on the Earth’s Energy Budget diagram.ii. Please conduct infor
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Write an expression for a harmonic wave that has an amplitude of 18 cm, a wavelength of 2.0 m, an d propagates to t he left a t 15 m/s.
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10. A body A of mass 1.5kg, travelling along the positive x-axis with speed 4.5m/s, collides with another body B of mass 3.2kg which, initially, is at rest. Because of the collision, A is deflected an
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What should be the length l of the clapper rod for the bell to ring silently-that is, for the period of oscillation for the bell to equal that for the clapper? express your answer using two significan
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Two vectors are given by a overscript right-arrow endscripts equals 6.1 i overscript Ì endscripts plus 8.7 j overscript Ì endscripts and b overscript right-arrow endscripts equals 6.3 i overscript
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The rigid beam is supported by a pin at a and wires bd and ce. if the load p on the beam causes the end c to be displaced 15 mm downward, determine the normal strain developed in wires bd and ce.
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A woman walks due west on the deck of a ship at 3 mi/h. the ship is moving north at a speed of 23 mi/h. find the speed and direction of the woman relative to the surface of the water. (round your answ
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A body A of mass 1.5kg, travelling along the positive x-axis with speed 4.5m/s, collides with another body B of mass 3.2kg which, initially, is at rest. Because of the collision, A is deflected and m
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The energy of microwaves is less than the energy of ultraviolet light. Which comparison of the energies of electromagnetic waves is correct? Gamma rays have higher energy than microwaves because gamma
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How frequently should one apply sunscreen while swimming on a sunny day. A. Once since water absorbs UV rays B. More often since water reflects UV rays C. Once since water reflects sun's radiation
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A noisy resistor produces a voltage Vn(t) at t=t1, the noise level X=Vn(t) is known to be Gaussian RV with pdf fx=1/(2pid2)exp(-1/2(x/d)2) compute and plot probability that abs(X)>kAlpha for k=1,2
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Suppose that the moment of inertia of a skater with arms out and one leg extended is 3.5 kg⋅m2 and for arms and legs in is 0.90 kg⋅m2 . If she starts out spinning at 5.8 rev/s , what is her angula
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If the current in each wire is the same, which wire produces the strongest magnetic field? A.) a wire that is 1 mm thick and not coiled B.) a wire that is 2 mm thick and not coiled C.) a 1-mm-thick
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Conduct informational research on the topic. Summarize the results of this literature search and include references.Can you find experiments that have been conducted that have an experimental design s
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A 8.8×10−4 V/m electric field creates a 4.4×1017 electrons/s current in a 1.7-mm-diameter aluminum wire.
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Describe how the amount of heat released or absorbed related to specific heat capacity and amount of it? A) Amount of heat absorbed or released is doubled if quantity is doubled. If a different substa
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A driver brakes a 1420 kg car moving at 64.8 km/h [W] . The car slows down and comes to a stop after moving 729 m [W]. What is the force of friction acting on the car while it is slowing down?
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A uniform rod XY of weight 10.0N is freely hinged to a wall at X. It is held horizontal by a force F acting from Y at an angle 30° to the horizontal, as shown. What is the value of F? A- 5.0 N B- 8.
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Which two factors does the power of a machine depend on? work and distance force and distance work and time time and distance
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A pattern for 1 uniform uses 12 yards of material. Boleslaw wants to know how many yards are needed for 8 uniforms. Chantal wants to know how many yards she will need to make 15 uniforms. Drag an expr
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When mass m is tied to the bottom of a long, thin wire suspended from the ceiling, the wire's second-harmonic frequency is 200 hz . adding an additional 1.9 kg to the hanging mass increases the second
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Suppose that 2 j of work are needed to stretch a spring from its natural length of 30 cm to a length of 42 cm. how far (in cm) beyond its natural length will a force of 30 n keep this spring stretched
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How close to −9 do we have to take x so that 1 (x + 9)6 > 1,000,000 is satisfied? (give the largest possible value.) |x − (−9)| < -9.1?
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Newton was outrwged when in 1684 German mathematician Wilhelm Leibniz published a calculus book find out why, describe how the issue is generally result today
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