A 26-gram bullet traveling at 247 m/s penetrates a 6-kg block of wood and emerges clearly at 167 m/s. If the block is stationary and resting on a fricitonless surface when hit, how fast, in m/s, does it move after the bullet emerges?

Q: 4. On top of a 9.0m cliff, you throw a rock with a velocity of 13.0m/s at an angle 30° below the hor...

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Q: . Point charges q1 and q2 of +6nC located at the origin and -8nC located at (30 cm, 0) Calculate the...

A: Given: q1=6nC=6*10-9 C   at (0,0)q2=-8nC=-8*10-9 C   at (30,0)point P at (15,20)

Q: t time t in seconds, a particle's distance s(t), in micrometers (μm), from a point is given by s(t) ...

A: Givenst=et-1   and t=2 s

Q: A body moving with uniform acceleration has a velocity of 11.5 cm/s when its X coordinate is 5.0 cm....

A: u = 11.5 cm/s  Xi = 5 cm  Xf = - 5 cm  Time is t = 6 s .

Q: An achromatic doublet consists of a crown glass positive lens of index 1.52 and of thickness 1 cm, c...

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Q: Find the 42nd derivative of the function y = sin(x). Give reason for choosing yours answer.

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Q: 2x v,x sin(e) Calculate the initial speed of the ball using the equation At= if the value of g slope...

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Q: A pole vaulter wishes to clear a 4-m bar. How fast must she run? (Assume that all her kinetic energy...

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Q: 1. What is the refractive index of this spectacle medium if the a speed of light passing thru it is...

A: speed of light through air (c) = 186000 misecspeed of light passing through a spectacle medium = 124...

Q: Hot water with a density of 980 kg/m3 flows through a 59.5 mm diameter round pipe at 1.97 m/s.  What...

A: Given value--- density = 980 kg/m3.  diameter = 59.5 mm. speed = 1.97 m/s. We have to find--- mas...

Q: ctric field at the center of the equilateral triangle? A. 4mto a 3g В. 4mco a C. 4nco a D. 0

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Q: A car has an average highway speed of 90 km/h or 25 m/s. At this speed; how long will it take to dri...

A: Average speed, V=90Km/h Distance to be covered,S=190Km required time, t=S/V t=(190Km)/(90Km/h) t=(19...

Q: A stone is dropped from a captive balloon at an elevation of 1000 ft (304.8 m). Two seconds later an...

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Q: A concrete block is pulled 4.7 m to the right across a smooth surface. The tension in the rope is 12...

A: Given data:  Distance (d) = 4.7 m Tension force (F) = 125.6 N Angle (θ) = 44.5° Required: The net wo...

Q: | The human eye can barely detect a star whose intensity at he earth's surface is 1.6 X 10-1 W/m?. I...

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Q: For the situation shown in the fig., find the values of Fri & Fr2 if the objects weight is 600 N. 50...

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Q: At one point in its fall, a falling object has a kinetic energy of 5 J and a potential energy of 10 ...

A: Given data:  Kinetic energy at first point (KE1) = 5 J Potential energy at first point (PE1) = 10 J ...

Q: At one point in its fall, a falling object has a kinetic energy of 5 J and a potential energy of 10 ...

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Q: If the vertical component of a projectile at 5 seconds from the time it was launched is 37 m/s and t...

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Q: Problem 7: If you wish to observe features that are around the size of atoms, say 8.5 × 10-10 m, w...

A: size of atom = 8.5×10-10 m the wavelength is about the size of the atom  

Q: Given the figure below, as A has a mass of 3kg with 5m/s initial velocity while B is initially at re...

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Q: 18. I| A wire with a resistance of 3.2 N is bent into the two-loop shape shown in Figure P25.18. The...

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Q: CI 127.4pm Hydrogen chloride is a molecule composed of one H atom and one Cl atom. Hydrogen has mass...

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Q: If the forces along the y-axis are equal in magnitude, what is the y-component of the net force?

A: Given : Forces in x-direction , F1 = 275 N  F2 = 395 N  f = 560 N (in -x direction)  Force in y-dire...

Q: Suppose a student is looking closely at an object inside a container containing a liquid of refracti...

A: Given that: l=57 cmRE=13 cmRS=28 cmn=1.3 d=21 cmn'=1.9r=72 cm Find the position of the image...

Q: Kindly compute for the following case exercises: 1. If light has a speed of 118,000 mps in a transp...

A: Concept Absolute refractive index =Speed of light in airSpeed of light in medium

Q: Assume the magnitude or the the figure below is uniform and the directions each face are as indicate...

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Q: Part A You are standing 2.5 m from a 100-W lightbulb. You may want to review (Pages 893 - 894). If t...

A: GivenPower of light bulb ,Pbulb=100 WDistance of seperation between bulb and you ,R=2.5 m, this acts...

Q: A transverse wave in a string has the form y= 6.3 cos pi (0.09 x +2t), where x is in centimeters and...

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Q: 750 kg roller coaster car is pulled to the top of a hill 45 m high and arrives at the top with zero ...

A: Mass= m = 750kg Height= h= 45 m

Q: 1. Point charges q1 and q2 of +6nC located at the origin and -8nC located at (30 cm, 0) Calculate th...

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Q: A ball is thrown from a height of 1.26 meters, with Vo=32 m/s, and at a 30 degree angle with the ver...

A: Given: yo=1.26 mvo=32 m/sθ=30° with vertical

Q: Two plane mirrors stand facing each other, 2.78 m apart, and a woman stands between them. The woman ...

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Q: The uniform solid block in the figure has mass 24.3 kg and edge lengths a = 0.952 m, b = 1.68 m, and...

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Q: A proton and an electron are 2.0 x 10-10 m apart. Calculate the magnitude of the electrostatic force...

A: GIVEN: charge of a proton, q1 = 1.6×10-19 C a proton and an electron are, r = 2.0×10-10 m  

Q: What is the force (magnitude and direction) on the wire in the figure below if it carries a current ...

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Q: An electron enters a region of space containing a uniform 2.21 × 10-³ T magnetic field. Its speed is...

A: Write the expression for the radius of the path. Here, m represents the mass of an electron, v repr...

Q: In a velocity- time graph, the area under the curve equates to what?* Time Displacement Instantaneou...

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Q: Calculate the change in Potential Energy of 8 million kg of water dropping 150 m down the intake tow...

A: Given that:- Mass of water dripping=8 million kg

Q: In the figure, two 6.30 kg blocks are connected by a massless string over a pulley of radius 1.30 cm...

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Q: the oil is 600kg/m3. Illustrate the physical situation of the barrel with the two liquids in it (wit...

A: Gauge pressure :- It is total pressure minus atmospheric pressure.  P-Po = gauge pressure P = total ...

Q: A hemispherical tank of diameter 8 ft. is full of liquid. Find the work done in pumping the liquid o...

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Q: In the figure, block 1 has mass m1 = 440 g, block 2 has mass m2 = 590 g, and the pulley is on a fric...

A: Since you have posted a question with multiple sub-parts, we will solve first three sub parts for yo...

Q: In raising a 5000-N piano with a pulley system, the workers note that for every 3 m of rope pulled d...

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Q: In the circuit, the capacitor is fully charged when switch ?S is closed. Calculate the time needed f...

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Q: Help me solve the following table. Angle of incidence (?i) is 65, angle uncertainty (??) is 1. I tri...

A: Givenσn=σθ nM π1801tanθi+1tanθM

Q: calculate the acceleration of the system then calculate the tension on the rope . A = 12 kg B = 30...

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Q: A small steel ball is shot vertically upward with an initial velocity of 18mps, from the top of the ...

A: The equations of motion we use here are v = u+at v2-u2=2as, where v = the final velocity u = initial...

Q: A transverse wave in a string has the form y= 4.0 cos pi (0.04 x +4.3t), where x is in centimeters a...

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Q: Use the picture below to answer. The metal bar has a length of 2 meters, the magnetic field has a st...

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