1. Find the density, specific weight, mass and weight of a body that occupies 300ft3 if its specific weight volume is 15 cubic feet/lbm.

Q: charges 1.0uC and 10 uC are placed on a straight line and net force on 0.10 uC is zero. Find x in cm...

A: We know that the  formula of the force between the two charges is given as  F = kq1q2r2 where k is t...

Q: 1. Considering the figure, calculate the needed force on the block that weighs 80kg to reach an acce...

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Q: Find the number of electrons passing every second through a cross-section of a wire if the current c...

A: current (I) = 0.75 A Time (t) = 1 sec   

Q: Multiple Choice.

A: Required:- We need to calculate the electric flux through the surface S1.   Formula:- According to G...

Q: A cork floats on the surface of an incompressible liquid in a container exposed to atmospheric press...

A: Solution: Option (A) floats at the same height.  

Q: wo charges, q1 and q2 are separated by a distance r. If the distance between the charges will be inc...

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Q: Rattlesnake are amazing critters. When striking at a victim they can accelerate at 50m/s2. If a larg...

A: Given data:  Initial velocity (Vi) = 0 m/s Final velocity (Vf) = 120 km/h Acceleration (a) = 50 m/s2...

Q: Mara is building a wind chime. She needs string with the following lengths: six pieces of 20 cm, 3 p...

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Q: Two point charges Q1 and Q2 of equal magnitudes and opposite signs are positioned as shown in the fi...

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Q: A young 49-kg ice hockey goalie, originally at rest, deflects a 0.155-kg hockey puck slapped at him ...

A: Given:- mass m1= 49 kg  mass m2 = 0.155 kg  The velocity at which hockey puck slapped at him at a sp...

Q: Using dimensional analysis convert 12.6 Square Inch/Minute to Square Meter/Second (in2/min to m2/s)....

A: We have to convert ,  12.6 inch2/min =  how much in m2/sec  We know that ,  1 meter = 39.37 inch  So...

Q: How many cubic feet of coal gas having a heat combustion of 488 BTU/ft³, must be burned to raise the...

A: Energy available in n ft-cubed after losses = n×75100×488 BTU =n×75100×488×3.73×104 Joules  temperat...

Q: steel is 100.5 cm long at 20 Celsius. The coefficient of linear expansion for steel is 12 x 10-6 (Co...

A: Given  Initial length L1 = 100.5 cm Initial temperature T1 = 20 oC Final temperature T2 = 80 oC Coef...

Q: A placekicker must kick a football from a point 36.0 m (about 40 yards) from the goal. Hll the cross...

A: Here, we calculate the given as follow;

Q: A very small object carrying -6.0 µC of charge is attracted to a large, well-anchored, positively ch...

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Q: SHOW the drawing and use 3 decimal in final answer   A bicyclist is moving 6m/s when he is passed ...

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Q: Two equal positive charges q1 = 92 = 2.0 mC 0.30 m, and x = 0, y = -0.30 m, respectively. What are t...

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Q: Three long, straight wires are mounted on the vertices of an equilateral triangle as shown in the fi...

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Q: Suppose you begin sliding down a 15° ski slope. Ignoring friction and air resistance, how fast will ...

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Q: 7. radius. What is the magnitude of the resultant force on the 50-kg pilot of this plane at the bott...

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Q: For the image shown, the capacitors have the following values: C1C1 = 3.6*10^-6, C2C2 = 5.95*10^-6, ...

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Q: A potential difference of 2000 V is established between parallel plates in air. becomes electrically...

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Q: Three charged particles are located at the corners of an equilateral triangle as shown in the figure...

A: q1=7×10-6C q2=1.6×10-6C L=0.61m

Q: Question 2 What are the 3 elementary particles inside an atom?

A: Three elementary particle inside an atom is electrons , protons and neutrons . (i) Electron - it car...

Q: If an object moves along a circular path at a constant speed, why would velocity constantly change?

A: When object moves on a circular path with constant speed or varying speed  changing it's direction a...

Q: THERMO DYNAMICS Ex: WHY is C= du SupposED TO BE WRITTEN AS:

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Q: The two forces F⃗ 1 and F⃗ 2 shown in (Figure 1) act on a 29.0-kg object on a frictionless tabletop....

A: mass = m = 29 kg F1= 11.4 N F2= 16.2 N

Q: Sean the Swan is resting on a frictionless surface (see below) and is attached to a spring that is i...

A: Given data:  Number of oscillations = 20 Time (t) = 30 s Required: Frequency (f) 

Q: Problem 1 Particles A and B are traveling counter-clockwise along the circular path of radius 100 m,...

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Q: * ACTVIg by 20ON Me 0.20 RED'D: a , T, i Tz

A: Given: The angle of the inclination is 40o. The hanging weight is 300 N. The free-body diagram is gi...

Q: Spheres A, B, and C have charges +8 C, +12 C, and -5.0 C respectively. The three spheres are allowed...

A: Given Information:- Charge of A is qA=+8C Charge of B is qB=+12C Charge of C is qC=-5.0 C Required:-...

Q: Suppose that the position of a particle is given by s(t) - 5t + 3t + 9. (a) Find the velocity at tim...

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Q: Three blocks are connected on the table as shown below. The coefficient of kinetic friction between ...

A: Given: Mass of object 1 m1=4.25 kg Mass of object 2 m2=1.2 kg Mass of object  m3=2.4 kg

Q: An aeroplane moving horizontally with a speed of 720 km/h drops a food packet while flying at a heig...

A: Given in question - Horizonal speed of plane(V) = 720 km/hr                                  Height ...

Q: The figure below shows a solid insulating sphere of radius R = 4.0 cm that has a volume charge densi...

A: Radius of sphere=4cm Charge density of sphere=20μcm3

Q: If the gain of the effective medium in a laser is (1.05), its mirror reflectivity coefficient (0.999...

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Q: A charge of 6.15mC is placed at each corner of a square 0.100 m on a side. Determine the magnitude a...

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Q: Consider two geometrically identical marbles stacked in a container as shown. The radius of each of ...

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Q: What is the ratio of the electric force to the gravitational force between a proton and an electron ...

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Q: negatively-charged particle with a magnitude of 13.42 nC is accelerating in a 127.32-N/C uniform ele...

A: Given  Charge ,q = -13.42 nC  Electric field,E = 127.32 N/C  Potential,V1 = 25 V  Potential V2, = 15...

Q: The rms average speed of a nitrogen molecule at 20 K is 133.427875 m/s. What is the rms average spee...

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Q: B)Calculate the atmospherie pressure at 3500m in units (Pa)?

A: Write the expression for the pressure. Here, P0 is the pressure at a height of h0, M represents the...

Q: Now, complete the conversion problems given below, for homework. 1. How many mm in 1.5 cm? Once you ...

A: 1. We know that 1cm is equal to 10mm, so 1.5 cm is equal to 15mm. Yes the answer makes sense.  2.We ...

Q: A parallel-plate capacitor with plate separation of 1.0cm has square plates, each with an area of 6....

A: Given data:  A parallel-plate capacitor  Distance between plates (d) = 1.0 cm = 0.010 m Area (A) = 6...

Q: Figure 27-11a shows a multiloop circuit containing one ideal battery and four resistances with the f...

A: Given value--- all value given in circuit. We have to find--- current through the battery?

Q: QI. Complete the oscillation pattern. Type your answer using the color code with the given choices (...

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Q: You are a pitcher in a baseball game and you want the ball to go upwards when you throw it to the ba...

A: rolling backward when thrown will make ball rise and vice versa

Q: Three small spheres q1, 92 and q3 are located inside closed surfaces with cross-sections shown in th...

A: Given data:  Three small spheres All sphere have same amount of charge  q1 and q3 are positively cha...

Q: The capacity of a physical system to do .6 work is called Energy • Kinetic energy • Work

A: As per guidelines only first question is solved here.    Given   Ques 6... The capacity of the physi...

Q: give 3 objectives for experiment bomb calorimeter

A: