On a recent trip, Jan travelled 260 miles using 8 gallons of gas. What was the car's miles per gallon for this trip? Kilometers per litre?

Q: Why is it important for people to study and learn about STS (Science, technology and society) as an ...

A:   1.Science and technology play an important role in today's society. Science enables us to get a be...

Q: A car accelerates from 75 km/h to 115km/h in 5 seconds to overtake a lorry. Calculate the accelerati...

A: Given Initial velocity (U)= 75 km/h Final velocity (V)= 115 Km/h Time taken (t) = 5 seconds    

Q: The figure below shows a rod with two masses, M, and two masses, 2 M, spaced at equal 1 m intervals ...

A: We have givenTwo masses M and two masses 2MDistance between them 1 m

Q: A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a fri...

A: Radius of cylinder r = 0.330 m Tangential force F = 280 N Angular acceleration α = 0.824 rad/s2

Q: A bicycle tire is spinning clockwise at 3.10 rad/s. During a time period At = 1.70 s, the tire is st...

A: Given that:- Time duration is given as 1.70sec

Q: A magnet from which emanates 800 maxwells of flux is inserted through a coil of 1000 turns. It is w...

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Q: An orangutan leaps off of a cliff and its body begins to rotate clockwise. If the orangutan then sta...

A: Angular velocity describes 

Q: The induced e.m.f. in a coil is 2.10 × 10-2 V when the current in it is changing at a rate of 7.00 x...

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Q: What is the scalar product of vector A = 21 + 53- k and vector B = 3 - 2j + 4k is ? O 41 O 28 O-8

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Q: A copper wire has an electrical resistivity of 1.694 µQcm. Determine the resistance of a copper wire...

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Q: A particle moves along the h-axis (dimension of length) so that: h = t3 - 3t2 - 45t (in feet, where ...

A: the equation of particle along the h-axis is given by h(t) = t3 - 3t2 -45t  ------- (1) to determine...

Q: A 2.5 kg block is initially at rest on a horizontal surface. A horizontal force F of magnitude 6.5 N...

A: Given mass m =2.5 kg  Applied force F = 6.5 kg  If applied force is greater than static friction the...

Q: When viewed from above, the current is moving anticlockwise in circular loop of wire. What is the ma...

A:                 The upper face of the circular loop south pole develop on the upper face of the circ...

Q: Problem 21: You throw a ball straight up with an initial velocity of 15.3 m/s. On the way up it pass...

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Q: A 4 x 103 C charge exerts a force of 14 N on a 0.05 C charge. What is the distance between the two c...

A: Given data:  First Charge (q1) = 4×10-3 C  Force (F) = 14 N Second charge (q2) = 0.05 C Required: Th...

Q: Coulomb's Law 1. A point charge q = 3 x 10-C is placed 0.12m away from another charge q = -1.5 × 10-...

A: There are different questions . According to guideline I solve only first question. Please, post oth...

Q: Steve drives home from his other triends house near Seattle. a distance of 103 miles On the way home...

A: Let t be the total time taken to travel D=103 mi.  Express the distance, D1, travelled with a speed ...

Q: What evidence do you see that Newton’s third law applies to electrostatic forces?

A: We can see Newton's third law's various examples in electric forces . Newton's third law states tha...

Q: A car accelerates from 75 km/h to 115km/h in 5 seconds to overtake a lorry. Calculate the accelerati...

A: Car accelerates from 75kmph to 115kmph in 5sec 

Q: To sterilize a 225 g steel water bottle, we must raise its temperature from 18.0ºC to 98.0ºC. How mu...

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Q: Problem 5: At time to = 0 a car starts moving southward from rest. It continues moving in the same d...

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Q: Problem 12: Use the position vs. time graph shown in figure to the right to answer the following que...

A: The velocity is given by the slope of the line in the position-time graph.

Q: 4. For a ring of radius a and uniform line density A the electric field f at position (0,0,z) is giv...

A: Given that:Ez=Qz4πεo(a2+z2)3/2=λaz2εo(a2+z2)3/2a=10 cm=0.1 mλ=0.015 nCμm=0.015 ×10-9 C10-6m=1.5 ×10-...

Q: The figure below shows the equipotential surfaces of a parallel plate capacitor. If a positive charg...

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Q: Light of wavelength falls on a metal having work hc Photoelectric effect will take place only if fun...

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Q: Milk is pasteurized if it is heated to63∘C for 30 minutes, but if it is heated to 74∘C it only needs...

A: The rate is inversely proportional to the time.

Q: . A force F acting on an object varies with distance x as shown here. The force is in Newton and x i...

A: Given data:  Force vs distance graph Required: Work done (W) 

Q: You are trying to thaw some vegetables that are at a temperature of 1°F. To thaw them safely, you ne...

A: The initial temperature of the vegetables is T0=1°F. The ambient temperature of the refrigerator is ...

Q: On planet #3, you fire a projectile horizontally from the edge of a vertical cliff 52.1 m above the ...

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Q: JC-17) Work Function Metal 1 has a larger work function than metal 2. Both are illuminated with the ...

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Q: AN_Review I A Part A A small block has constant acceleration as it slides down a frictionless inclin...

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Q: 5. Work is being done when a force (1) acts vertically on a cart that can only move horizontally (2)...

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Q: On planet #4, you fire a projectile from the ground at an initial speed of 37.3 m/s at an angle of 6...

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Q: A spy satellite is in circular orbit around Earth. It makes one revolution in 9.20 h. Mass of Earth ...

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Q: The figure below is the free-body diagram of 7. Fo a car accelerating downhill O a car skidding down...

A: In the above FBD:- n represents the normal vector as its perpendicular to surface x. f represents fr...

Q: The wire carrying 325 A to the motor of a commuter train feels an attractive force of 3.20 x 10-3 N/...

A: Given Current in the two wires are i1=325 A and i2=5.00 A Force between the wires is F=3.20×10-3 N/m...

Q: Consider the following mass distribution where the x- and y-coordinates are given in meters: 5.0 kg ...

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Q: In this problem consider the object a 2 dimensional square in 2 dimensional space so all field lines...

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Q: Problem 10: On a two-leg trip, a car travels the first leg, a distance D = 45 miles, in a time tj = ...

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Q: Which of the following is incorrect about equipotential surfaces? A. Any two points on an equipotent...

A: Given that:- In question 1:- we have to choose the incorrect statement. In question 2:- we have to f...

Q: The actual average earth-moon distance is about 384,000km, and earth's diameter is about 128,800km. ...

A: Given value--- Earth moon distance = 384000 km. Earth diameter = 128800 km. We have to find--- ho...

Q: The figure below shows a rod with two masses, M, and two masses, 2 M, spaced at equal 1 m intervals ...

A: I = mr2  Spacing between each mass is 1m

Q: A car wheel 30 cm in radius is turning at a rate of 8.0 rev/s when the car begins to slow uniformly ...

A: In linear motion v2-u2=2aS where v is the final velocity, u is the initial velocity, a is accelerati...

Q: A conducting sphere of radius r1 = 0.18 m has a total charge of Q = 1.9 μC. A second uncharged condu...

A: The data given in the question is: 1. Radius of first sphere, r1=0.18 m 2. Radius of second sphere, ...

Q: Let 0 be the angle that a vector to make with the x - axis and measured counter clockwise from that ...

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Q: If a barchall ie thriawn at Hom/ and 0.60 k what force x itx ditrectin its maek to chunge neceas

A: you need a force in opposite direction of velocity.

Q: Which of the following is a unit of fundamental quantity? (A) meter per second B gram (c) kilometer ...

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Q: When the outdoor emergency warning siren at aileen's school was tested, the sound from the siren too...

A: GivenTime taken by sound to reach house (t)=4 sDistance between siren and her house (d)= 2.75 km

Q: Find components of vector: 1.) E = 4.50m, 37° E of S D- 3m, 46° S of E F = 4m, 20° E of N K. H = 2m,...

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Q: A block with mass mAmAm_A = 11.0 kgkg on a smooth horizontal surface is connected by a thin cord tha...

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