Which motion that you can model as a point object and for what reasons?•    A semi moving on a freeway viewed from an airplane. •    A car accelerating from 0 to 60 mph. •    A bowling ball rolling to the pins. •    A hockey puck sliding on ice.

Q: 5 A tortoise "runs" with a speed of 7.60cm/s, while a hare can run exactly 50 times faster. a. In pr...

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Q: A proton with initial speed vi =2 x104m/s moves from a 5000V equipotential to a 4090V equipotential ...

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Q: An ideal diatomic gas at 80 K is slowly compressed adiabaticaily to one-third its original volume. W...

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Q: 8.24 • Block A in Fig. E8.24 has mass 1.00 kg, and block B has mass 3.00 kg. The blocks are forced t...

A: mA = 1 kg mB = 3 kg vB = 1.20 ms   

Q: initial acceleration of a tether ball on a 2.0 changes from 13 rad/s to 7.0 rad/s in 15 s

A: Let the initial angular velocity of the t and tether ball is ωi and the final angular velocity is ωf...

Q: What is the electric potential energy of the group of charges in (Figure 1)? Assume that q = -4.0 nC...

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Q: At a given instant a 9kg rock has been dropped from a high cliff experiences an upward force of air ...

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Q: Calculate the gravitational force of attraction between proton and electron seperated by the sense o...

A: Gravitational Force between two bodies is given by:- F=Gm1m2d2 where, G=6.67×10-11Nm2/kg2d=1 μm=10-6...

Q: A gas is compressed at a constant pressure of 0.800 atm from 11.00 L to 2.00 L. In the process, 330 ...

A: Given: The pressure of the gas is 0.8 atm. The initial volume of the gas is 11 L. The final volume o...

Q: Incorrect. Did you remember to square the velocity? How much energy, in joules, does a 46.8 kg objec...

A: Part-I: Given: The mass of the object is 46.8 kg. The speed of the object is 48.4 m/s.

Q: Compute algebraically the resultant of the following coplanar forces: 130N at 35°, 140 N at 45°, 120...

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Q: G7ven clata Woakdone= 7N Dioplacement= 2m %3D Find wark done

A: Given value--- force = 7N. displacement = 2 m. We have to find--- work done?

Q: 10. Observe the given Junction and then find the value of i. 4A 8A 8A, 4A 11. Two bulbs have ratings...

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Q: You charge an initially uncharged 63.1 mF capacitor through a 21.9 2 resistor by means of a 9.00 V b...

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Q: 7.69 • A 0.500 kg block, attached to a spring with length 0.60 m and force constant 40.0 N/m, is at ...

A: According to conservation of energy  Total energy of isolated system remains constant.  Initial tota...

Q: Suppose a soccer player kicks the ball from a distance 34 m toward the goal. Find the initial speed ...

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Q: Part A 210 g mass attached to a horizontal spring scillates at a frequency of 5.50 Hz. At t = 0 s, t...

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Q: If the particle described by the wavefunction 2a /ae-a x>0 is trapped in a = (x)h x<0 box of dimensi...

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Q: Find the wandDength Brequeny=8o Hz 8042 Seeedd waue 350 m/s

A: Given: The frequency of the wave is 80 Hz. The speed of the wave is 350 m/s.

Q: 9. A rope holds a 25-kg rock at rest on a frictionless inclined plane as shown. Determine the tensio...

A: We are authorized to answer one Question at a time, since you have not mentioned which question you ...

Q: .An 8-m long high-tension power line carries a current of 17.5A perpendicular to the earth's magneti...

A: Given data:  Length (L) = 8 m Current (I) = 17.5 A Angle (θ) = 90° Magnetic field (B) = 5.5×10-5 T R...

Q: Two capacitors having capacitances of 10.0 µF and 20.0 µF are connected in series across a 30.0 volt...

A: Given data- two capacitors C1=10.0 μF, and C2=20.0 μF voltage V=30.0 volt

Q: 6.0 kg block sits at rest on a 25° inclined plane. If this is the steepest the ramp can be before th...

A: Let the mass of the object is m = 6 kg at rest on the inclined plane has an angle θ=25o If this is t...

Q: An airplane releases a ball as it flies parallel to the ground at a height of ℎ=275 mh=275 m as show...

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Q: A string is strung horizontally with a fixed tension. A wave of frequency 60.0 Hz is sent along the ...

A: Given that:- Tension in the string is fixed. And at frequency f=60Hz, wave speed=58.4m/s

Q: Construct a time series graph to show how insolation received at 0o latitude at the top of Earth’s a...

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Q: A balloon holding 4.50 moles of oxygen (0,) gas absorbs 935 J of thermal energy while doing 112 J of...

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Q: In the diagram below, C1 = 10.0 µF, C2 = 20.0 µF, C3 = 40.0 µF. Also, Vab = Va – Vb = 14.0 V and the...

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Q: An automobile starter motor has an equivalent resistance of 0.075 Ω and is supplied by a 12.0 V batt...

A: Given: equivalent resistance (R)= 0.075 Ω Emf (E) = 12.0 V internal resistance( r ) = 0.015 Ω 

Q: 5) sprinter running on a circular track has a velocity of constant magnitude 9.20 m/s and a centripe...

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Q: The answers of the following (i) scalar product and (ii) vector product of unit vectors is (i) Scala...

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Q: Using the strap at an angle of 31 o above the horizontal, a Grade 12 Physics student, tired from st...

A: GivenMass of bagm=15 kg

Q: find the missing values to complete the table. Choose your answer by writing only the letter on the ...

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Q: Convert the following temperatures to their values on the Fahrenheit and Kelvin scales. (a) the subl...

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Q: If a negative charge instead of a positive charge were used in this problem, qualitatively hou (Sele...

A: We know that the formula of the electric potential energy is given as  P,Eb-P.Ea= qV2-V1P,Eb-P.Ea=qE...

Q: 4. [Setup, Solve, Review] For vectors A = -1.5î + 3.0ĵ and B= 3î + 6j 1. Find C = Á + B 2. Find E = ...

A: Given,     A→ = -1.5i^ + 3.0j^B→ = 3i^ + 6j^  

Q: Below are 2 force vectors: the 2.0 Newton force is pointing 60° above the negative x-axis, and the 1...

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Q: What is the charge q3 on the 100-µC capacitor? 93 = What is the potential difference V across the 10...

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Q: 8.48 • A 10.0 g marble slides to the left at a speed of 0.400 m/s on the frictionless, horizontal su...

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Q: The average coefficient of volume expansion for carbon tetrachloride is 5.81 x 10 (°C)1. If a 56.5 g...

A: Given,   Coefficient of volume expansion(β) = 5.81×10-4C0-1   Vi = 56.5 gal   ∆T = 240C  

Q: two positive point charges, q1=+16uc and q2=+4uc, are located on the x-axis of a coordinate plane. c...

A: Given to us is,         q1 = 16μC         q2 = 4μC distance(r) = 3 m Now the second charge sign chan...

Q: Consider a particle of mass m whose motion starts from rest under a constant gravitational force. If...

A: A particle of mass m whose motion starts from rest under a constant gravitational force. If a resist...

Q: A fly is at position, x0 = 19 m at t0 = 1.0 s, moves to position x1 = 184 m, then to position x2 = ...

A: velocity = dislacement/time speed = distance/time

Q: The figure below is for a mass/spring system. The mass is 0.6 kg. v(m/s) 20.0 15.0 10.0 S0 -5.0 -10....

A: NOTE: Since, you have asked multiple sub-parts we can answer only first three sub-parts according to...

Q: Part A A canoe has a velocity of 0.420 m/s southeast relative to the earth. The canoe is on a river ...

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Q: FIND THE POLAR COORDINATES CORRESPONDING TO (X,Y)=(-3.25m 1.50m)

A: Let -3.25= rcos© and 1.50 = rsin© ,where © is some angle .

Q: An astronaut sets up a pendulum on the Moon, where the acceleration due to gravity is 1/6 that of Ea...

A: Calculate the acceleration due to gravity on the Moon. g'=16g=16×9.81 m/s2=1.635 m/s2 Here, g' and g...

Q: Achy ty! 140 F= 2. 150 F= 3 180 F Formula: l'exlt32= of O'c = 2. go°c = 3-37.5c=

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Q: 13. A solid disc has a mass of 7.8 kg and a diameter of 40 cm. A net torque of 11 N/ m is applied to...

A: Given value--- mass m = 7.8 kg. diameter = 40 cm. torque = 11 Nm. time = 16 sec. We have to find--...

Q: 5. In the diagram below, C1 = 10.0 µF, C2 = 20.0 µF, C3 = 40.0 µF. Also, Vab = Va - Vb = 14.0 V and ...

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