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Blocks with masses of 1kg , 3kg , and 5kg are lined up in a row on a frictionless table. All three are pushed forward by a 57N force applied to the 1kg block. A)? B) How much force does the 3kg block exert on the 1kg block? How much force does the 3kg block exert on the 5kg block
Consider the 642 N weights held by two cables shown. The left-hand cable had tension T2 and makes an angle of thelta2 with ceiling. The right-hand cable had tension 460 N and makes an angle of 47 degrees with the ceiling.
water is moving with a speed of 2.3 ms through a perfectly sealed long pipe with a cross sectional area of 5 cm2. the
A mass of .5Kg is attached to a massless spring with spring constant k=600N/m, What was the incident speed of the second mass
A 4.5-cm-tall object is placed 28 cm in frontof a spherical mirror. It is desired to produce a virtual imagethat is upright and 3.5 cm tall. What type of mirror should be used
A chair of weight 75.0 lies atop a horizontal floor; the floor is not frictionless. Using Newton's laws, calculate , the magnitude of the normal force that the floor exerts on the chair
A beam of light with red and blue components of wavelengths 670 nm and 425 nm, respectively, what is the index of refraction of the blue light
A block with mass 2.0 kg is on a horizontal frictionless surface and is placed against a compressed spring that has force constant 128 N/m. what is the speed of the block after it has left the spring
A stamp collector is viewing a stamp with a magnifying glass held next to her eye. Her near point is 25 cm from her eye. What is the refractive power of a magnifying glass
An inductor L = 0.0470 H and a 35.0 ? resistor are connected in series to a 3.70 volt battery and a switch. What is the potential difference across the resistor immediately after the switch is closed
The drawing shows a wire composed of three segments, AB, BC, andCD. There is a current of I = 2.9A in the wire. There is also a magneticfield B (magnitude= 0.24 T) that is the same everywhere and pointsin the direction of +z axis.
When a falling meteoroid is at a distance above the Earth's surface of 2.50 times the Earth's radius, what is its acceleration due to the Earth's gravitation
The human eye can barely detect a star whose intensity at the earth's surface is 1.6E-11W/m2. how many photons per second enter the eye from the star
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