You are observing two people carrying groceries. The smaller person has a mass of 40.0 kg and can carry , at most, 70.0 kg of groceries. The larger person can carry, at most 150 kg . a) Using scaling, what is the mass of the lager person ? b) For each person, calculate the percentage of the weight lifted to their body mass.

Q: Match each plot with its corresponding eccentricity.

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Q: 2.Two-point charges are arranged on the x-y coordinate system as follows: q. = 4 x 108 C at (0,3 m) ...

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Q: DIFFERENTIATE THE HAZARD AND DISASTER.

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Q: Rank according to magnitude of đifference in potential between points N and M from largest to smalle...

A: In 'n' identical resistors connected in series, Rnet = nR Vi = Vn In 'n' identical resistors connect...

Q: Find the magnetic energy stored by a 5.24 mH inductor when the current through it is 10.7 A.

A: Given GivenL=5.24 mH = 5.24 ×10-3 HI =10.7 A

Q: Vector 1: X newtons, south Vector 2: Y newtons, west X be the number of letters in your first name E...

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Q: two tiny charged spheres q1 = -7.16 µC and q2 = -7.4 µC separated by 38.86 cm. If q3 = 0.29 mC is pl...

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Q: In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and i...

A: Given data:  Initial velocity (Vi) = 0 m/s Final velocity (Vf) = 45.3 m/s Time interval (Δt) = 6.11 ...

Q: Given data : Work done=400 N Force=30 N

A: We know thatWork done=force×displacement

Q: Q: The velocity of electrons will change when they collide with ions, therefore, the probability per...

A: In this question we have to find the probability per unit time of the electrons. Please give positiv...

Q: 1. If in the process of rubbing the lenses of the eveglasses, 6.28 x 10 10 electu transferred, a. wh...

A: a)           The charge of the lenses                      q = Ne Given that                    N = ...

Q: Given the vector: A = (-5.8t2)î + (4.5t*)ĵ + (-5.9t)k Find the magnitude of: for t = 2. dt2

A: Answer: Given vector A=(-5.8t2)i + (4.5t3)j + (-5.9t)k  We have to find the magnitude of d2A/dt2 at ...

Q: 12.4 • (a) What is the average density of the sun? (b) What is the av- erage density of a neutron st...

A: 12.4)Mass of sun = 1.99×1030 kg Radius of sun = 6.96×108 m   

Q: A wheel rotating at 400 rpm is decelerated at 12 rad/s^2. Find its angular speed after 3 seconds.

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Q: How much heat is involved when 100 g ice at 0 oC is heated to 100 oC? Specific heat of ice is 0.5 ca...

A: Given Data: Mass of ice, m = 100g Specific heat of ice, cice = 0.5 cal/g oC   Solution: Let, Latent ...

Q: Two small spheres spaced 20.0 cm apart have equal charge. How many excess electrons must be present ...

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Q: The figure shows 4 curves on a graph of kinetic energy (K) as a function of position (x) Which of th...

A: Curve of no 3 is showing the correct curve label of kinetic energy as a function of position for a m...

Q: A circular plane, with a radius of 2.2 meters, is immersed in an E-field with a magnitude of 700 N/C...

A: Given data:  Radius (r) = 2.2 m Electric field (E) = 700 N/C Angle with plane = 20° Required: The ma...

Q: 1. Experiment #4 – Torque By means of diagram, show and explain how the two (2) conditions of equili...

A: Torque is the measure of force acting on the body causing it to rotate. And may be written as the cr...

Q: A sample of 1.00 mol of perfect gas molecules with Cp = 7/2 R is put through the following cycle: (a...

A: Calculate Q, W, dU and dH for the  Constant pressure process 1→2 Constant pressure process 2→3 Isoth...

Q: Given a +15 C charged sphere with a diameter of 4.2 cm, solve for the: Electric field outside of th...

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Q: In Figure (a) below, unpolarized light is sent into a system of two polarizing sheets. The angles 0 ...

A: From the graph intensity is zero so find the value through graph.

Q: 3. A 2.50-L volume of hydrogen measured at -196 °C is warmed to 100 °C. Calculate the volume of the ...

A: for constant volume, we have the relation V1T1=V2T2

Q: Calculate the frequency and energy of blue light that has a wavelength of 400nm.

A: Given that :- Wavelength λ = 400 nm Thus we can find frequency ν of the blue light as below-        ...

Q: A long, straight wire perpendicular to this page carries a current of 4.98 A directed into the page....

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Q: Consider the two vectors A = 2 i - 2j and B = - i- 3j. (a) Calculate A +B (b) Calculate A -B (c) Cal...

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Q: The current in the figure below is 0.56 A. (Let the internal resistance of battery 1 be r1 = 1.2 Ωan...

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Q: 4.5 J of work is required to compress the spring in the spring toy. If the spring constant of the sp...

A: Given data : Spring constant=K Work done=U   Required : Compression distance  

Q: A wire with a temperature coefficient of resistance (-0.0060/C) has a resistance of 5.64 at 20° and ...

A: Given: Temperature coefficient of first wire, α1 = -0.0060/C Resistance at temperature of first wire...

Q: The potential difference across a resting neuron in the human body is about 89.0 mV and carries a cu...

A: Given data:  Potential difference (V) = 89.0 mV = 89.0×10-3 V Current (I) = 0.270 mA = 0.270×10-3 A ...

Q: You start out by driving 148 miles north in 2 hours and 34 minutes, and then you stop and park for a...

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Q: Using the figure below, match the name of the parts of UV-Vis Spectrophotometer with the numbered pa...

A: 1- E) light source 2-D) monochromater  3-c) entrance slit  4-a) prism/grating  5-F) exit slit  6-I) ...

Q: Show that in Bohrs theory, the frequency of photon emitted as the electron makes a transition from a...

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Q: Given a thin, noncounducting sheet with +1.2uC charge and 14 cm x 25 cm dimensions, find the electri...

A: Given Charge on sheet (Q) = +1.2μC  Dimensions of the sheet = 14 cm x 25 cm

Q: A force of 500 N is exerted on a baseball by the bat for 0.001 s.  What is the change in momentum of...

A: Given data:  Force (F) = 500 N Time interval (Δt) = 0.001 s Required: The change in momentum (ΔP) 

Q: There is a firetruck moving with 25 m/s and honking with frequency of 550 Hz. There is a car that is...

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Q: Freight car A with a gross weight of 159000 lb is moving along the horizontal track in a switching y...

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Q: the 16-kg cart before it comes to rest (a) if m approaches zero and (b) if m = 4.5 kg. Assume no mec...

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Q: You launch a projectile horizontally from a building 42.7 m above the ground at another building 35....

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Q: Formal Solution: A long straight wire (with negligible resistance) is connected to a 10.0V power sup...

A: The fist question looks incomplete. Hence we solve the second question.

Q: At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 25 knots and ship...

A: Given At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 25 knots an...

Q: 1.0 2 w- R E2 1.0 Ω

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Q: Cadculate the kinetic Joules of a 70kg enesyy in toowesting at 4.26 mls

A: Given that                  Mass (m) = 70Kg                  Traveling (v) = 4.26m/s

Q: Define the equation for the electron's velocity. Define the equation for the electron's position

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Q: Diodes are frequently used as temperature sensors. An experiment is set up in the lab and 20% of the...

A: diode conduction formula is I=I0eqVkT-1  

Q: Mass of ball=2.1 kg Velocity of bas=2.2 m/s Determine kinetic energy

A: Given Mass  (m)= 2.1 kg Velocity (V) =2.2 m/s  

Q: Write an expression for the absolute value of the charge on each plate.   Write an expression for ...

A: Solution of part A:   The capacitance is given by Capacitance = chargepotential differenceC = qΔVq =...

Q: The figure below shows two tiny charged spheres q1 = -8.16 µC and q2 = -0.99 µC separated by 41.3 cm...

A:

Q: A stone is thrown vertically upward and returns to earth in 10 s. What was its initial velocity? a....

A: Given Stone is thrown vertically upward. Time taken to return to the earth = 10 s

Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.