How much heat Q would be needed to completely evaporate 37.5 g of boiling water at a temperature of 100 °C? Express the answer in units of joules. The latent heat of vaporization for water at 100 °C is 2260 J/g. Q =

Q: 3. The graph below shows the relationship between the elongation of a spring and the force applied t...

A: Given data:  Elongation (x) = 0.50 m Force (F) = 25 N Required: Spring constant 

Q: A light bulb is connected to a 120.0-V wall socket. The current in the bulb depends on the time t ac...

A: The bulb voltage V = 120 V   The current I = 0.860 A   And      sin333rad/sect    compare  with     ...

Q: A major-league pitcher can throw a ball in excess of 43.5 m/s. If a ball is thrown horizontally at t...

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Q: Is 88 m/s Vector or Scalar? Is 521.3 m Vector or Scalar? Is 6.5 m/s^2 Vector or Scalar?

A: As per our guidelines, we are supposed to answer only first three subparts in case of multiple multi...

Q: 1. Two small charged spheres are placed in vacuum on the x-axis: q1 = +5.0 µC at x = 0 and q2 = -8.0...

A: Given that:- q1=5uC at x=0cm q2=-8uC at x=50cm

Q: Suppose a kite string of radius 2.00 mm extends directly upward by 0.800 km and is coated with a 0.5...

A: To find the current through the water layer we need to find the resistance of the water layer. Resis...

Q: A plane flew 600 kilometers along a line 350 east of south. How far east of its starting point is it...

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Q: For Items 25 – 28, refer on the problem below A sinusoidal wave traveling in the positive x directio...

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Q: Two point charges of 35nC and – 80nC are separated by a distance of 3.0cm in air. What force keeps t...

A: The charges are of opposite signs so there is attraction between the charges ,so we will have apply ...

Q: What will happen when the supports are removed from this system? kg kg 1.75 1.5 1.25 1 0.75 0.5 0.25...

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Q: illustrate the resultant vector of the following using the Head-to-Tail Method Include the; x co...

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Q: initially at rest on the surface of Mars where g = 4 m/s ^ 2 . The mass of the spaceship is 3000 kg....

A: We know that initially, the spaceship rests on the surface of mars and where g = 4 m/s2 and the mass...

Q: A small object of mass 0.5 kg is attached to the end of a light rod AB of length 60 cm. The rod is f...

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Q: Find the velocity of a TV dropped from a height of 200 meters at the momen ground. Use Galileo's for...

A: We have given  two formula  one of height and other is speed that is  Height s(t) = s0+v0t-12gt2 ---...

Q: Question 1 Why do moving objects eventually come to a stop? 2. What is meant by net external force? ...

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Q: A 100 kg block is at rest on a flat floor with a coefficient of static friction 0.62. A horizontal f...

A: Given data:  Mass (m) = 100 kg Coefficient of static friction = 0.62  Applied force (F) = 3.7 N The ...

Q: viage 100 RPM Magnetic (B) Fleld 5.96 G Bx -3.12 G By 5.08 G 121.58 0 Give the equivalent Generator ...

A: 1. FAUCET : It is a simple device that controls the flow of a liquid from the pipe/ container. The f...

Q: The position of an object as a function of time is given in meters by x = (at + bt2)i + (ct)j. What ...

A: X= (at + bt2)i + (ct) j 

Q: A circular pipe of OD 20 cm is enclosed centrally in a square section insulation of 36 cm side. The ...

A: Given-Outer Diameter= 20cm or 0.2mSide of square section=36cm or 0.36mThermal Conductivity (K) =8.5W...

Q: QI. Construct a ray diagram of both concave and convex spherical mirors. Use the last three digits o...

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Q: A 1.00 m tall pipe is filled to the halfway level with glycerin and then to the top with water. What...

A: Given value--- height = 1 m. We have to find --- gauge pressure?

Q: With the given three vector A, B, C. Determine the cross product of vectors A and C A= 2i - 3j + 4k ...

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Q: A stone is flown vertically upward and returns to earth in 10 seconds. What was the initial velocity...

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Q: I. Problem Solving: Read each problem carefully, show your solution and box your final answer. Creat...

A: The change in length ∆L on change in temperature by ∆T is given by ∆L= Lalpha∆T . Where L is the ini...

Q: A catapult is designed to throw a rock A when the arm of the catapult becomes vertical. Starting fro...

A: We have givenTangential acceleration (at)=(5s)  ft/s2

Q: The next few questions challenge you to figure out the acceleration due to gravity ( g ) on various ...

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Q: The maximum torque is exerted on a loop of wire ____. A. when the maximum amount of magnetic flux p...

A: The maximum torque is exerted on a loop of wire, when the maximum amount of magnetic flux penetrates...

Q: A projectile is given an initial velocity of 44.7 m/s at an angle of 58.8 degrees with respect to th...

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Q: Show that the net torque is also directed out of the page if the Sun or Moon is on the opposite side...

A: Observing from the north direction, the earth is moving in anticlockwise direction. And same the dir...

Q: On the way to Hilton Head, S.C. for Spring Break, your car breaks down in the middle of nowhere. A t...

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Q: A major-league pitcher can throw a ball in excess of 43.5 m/s. If a ball is thrown horizontally at t...

A: Speed is the distance traveled per unit of time. Here, we calculate  the given  as follow;

Q: A 100-g box slides across a frictionless horizontal plane and is accelerating at 15 m/s2. What is th...

A: Given data:  Mass (m) = 100 g = 0.100 kg Acceleration (a) = 15 m/s2  New acceleration (a') = 5 m/s2 ...

Q: A car is driving down a straight flat road. The acceleration of the car follows the a-t graph shown....

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Q: A concave mirror ( f = 55cm) produces an image whose distance from  the mirror is one - fifth  the o...

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Q: A concave mirror (f = 55 cm) produces an image whose distance from the mirror is one-fifth the objec...

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Q: A spring is stretched 6 in. when a 4-lb weight is hung on it. The 4-lb weight is attached and pushed...

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Q: How can you convince a FLAT EARTHERS that the Earth is not flat?

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Q: In a volleyball game, A player serves the ball at an initial velocity of 12.5 m/s at angle 20° as sh...

A: Initial velocity , U = 12.5 m/s Initial Angle , θ = 20° Initial height , h = 2.1 m To find = a) If t...

Q: 4.22 Place a penny on a closed hardcover textbook. If you slowly raise the cOver of the textbook, yo...

A: Let mass be 'm'  Coefficient of static friction = us  Fw= weight  Ff= friction  Fn = Normal Reaction...

Q: The diagram below shows two long parallel wires, 1 & 2, each carrying a current of 56 A. The directi...

A: A) we can use right hand curl rule to find the direction of magnetic field:- Using right hand curl r...

Q: A 5 cm diameter gear is driven by a I cm gear that rotates at 1 revolution per second. The I cm stal...

A: Angular velocity is the time rate at which an object rotates or revolves about an axis.  Here, we ca...

Q: One Helium atom weighs 26.2 X 10-7 kg. How many He atoms would weigh 262 kg O a. 10° О. 107 Oc 10- O...

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Q: If the wavelength of an X-ray is 5.2 x 10‐¹¹m, what is its frequency? A. 5.8 x 10¹⁸ Hz B. 5.8 x 10‐⁴...

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Q: A ball rolls down a ramp for 0.5 seconds. If the initial velocity of the ball was 0.8 m/sec and the ...

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Q: A major-league pitcher can throw a ball in excess of 43.5 m/s. If a ball is thrown horizontally at t...

A:

Q: 1. A 7-meter-long steel pipe was installed by a man during a cold whether at 20°C. What would be the...

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Q: 3. The air resistance of a free falling body with mass m is assumed to be proportional to its curren...

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Q: + + + (a) (b) Assume that the batteries in the circuits are all 1.5-V batteries and the bulbs all ha...

A: Each battery has potential = 1.5 v Each bulb has resistance = 1Ω

Q: The torque on a solenoid in a magnetic field is not a function of its ____. A. loop area B. number...

A: torque = force x radius force in magnetic field  = i*l*B                            i = current    l...

Q: A 330 gram ball is attached to one end of a rubber (Young's Modulus= 0.120 GN/m2) wire of diameter 1...

A: