A 6.22-kg piece of copper that is heated absorbs 728 kJ of energy. If the copper starts at 20.5° C, what is its final temperature? The specific heat for Copper is 0.385 //g °C

Q: The 1000N cow now sits on the 5kg box. a. What is the total mass of the cow and the box? b. What is…

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Q: (a) Find Re, between AB for the following circuit. (b) There is potential difference across AB of 30…

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Q: whirling ball at the end of a string breaks and what happens   a.follows a straight line. b.follows…

A: A whirling ball at the end of a string breaks and what happens

Q: A satellite is traveling through distant space with a speed of 19,000 km/hr. What will happen to the…

A: Solution: In space there is no air blanket due to which there is no air friction. So, when…

Q: A 1.00-kilogram block is held at rest on a frictionless plane inclined at 30.° to the horizontal.…

A: mass of block (m) = 1 kg surface type : frictionless angle of inclined plane (θ) = 30oinitial height…

Q: Hydrogen atoms can absorb energy corresponding to four spectral lines with wavelengths in the…

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Q: Pluto eats 1.26 pounds of dry dog food per day. The dry food is available in 1.5 lb sacks, priced…

A: Pluto eats  of dry dog food per day. Using the conversion factor,  we can convert this to kilograms:

Q: A 0.25-kg ball attached to a string is rotating in a horizontal circle of radius 0.5 m. If the ball…

A: The objective of the question is to find the tension in the string when a ball of mass 0.25 kg is…

Q: A mountain goat ties a pineapple to a rope and swings it around in a circle. The rope can take…

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Q: A 150g baseball is thrown with a speed of 40 mls. It is hit straight back towards the piłcher at a…

A: Given data: Mass (m) = 150 g = 0.150 g Initial velocity of ball (v0) = 40 m/s Final velocity of ball…

Q: Problem 2: Two parallel plates are charged with +Q and -Q respectively as shown in the figure, where…

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Q: Part A A series of weights connected by very light cords are given an upward acceleration of 4.00…

A: Approach to solving the question:Please see attached photo for the detailed solution. Thank…

Q: I have a shelf full of textbookd.Each book has a mass of 1.0 kg and mus=0.3. a. How hard do I need…

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Q: pery Rock University of Pennsylvania - PHYS 201 - Spring20 - SHAEVITZ > Activities and Due Dates >…

A: The value of the acceleration of x-component and y-component at t = 6.87 s is:

Q: A horizontal carousel is rotating around its axis with constant angular velocity w. On the carousel…

A: Step 1: here we have solved for question a Step 2: here we have solved for question b  Step 3: nil…

Q: 92=-2.09 91=+q d d 93= -3.09 94 = -4.09

A: Given that:q1=q=+2.5 μC=2.5×10-6 Cq2=-2.0qq3=-3.0qq4=-4.0qThe distance is: d=34 cm=0.34 m To…

Q: 1. A child stands on a bathroom scale while riding in an elevator. The child's weight when the…

A: Note: As per the guidelines, we can only answer first question of multiple question. Sorry for the…

Q: 9. Four identical 2500 kg objects are at the corners of a square with 12 m sides. A. What is the…

A: Four identical particle are at corner A B C D of square whose mass are 2500 kgm = 2500 kga = 12mThe…

Q: X-rays with a wavelength of 0.120 nm. The atomic planes in the crystal are separated by 0.20 nm.…

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Q: 6. Newtons Laws a. Write Newton's First law.. b. Write Newton's Second law. c. Write Newtons Third…

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Q: 4. What is free fall? How is it C different than movement in answers.

A: Given Here we have to give the answer of free fall motion and reason how motion along x-axis…

Q: The following times are given using metric prefixes on the base Sl unit of time: the second. Rewrite…

A: In general, the prefixes indicates the unit conversions as follows: Symbol Name Factor P Peta…

Q: A 48.42kg hunter ropes a 167.82 kg sleeping polar bear and pulls the bear towards him until they…

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Q: You are standing still on a bathroom scale. The scale shows your weight 140 lbs. How much is the…

A: Weight shown on the scale is W = 140 lbs

Q: 8. At an amusement park there is a ride in which cylindrically shaped chambers spin around a central…

A: Solution: The force which makes the person feel pressure against his back is due to the centrifugal…

Q: A 5.0-kg object is executing simple harmonic motion, while attached to a spring that obeys Hooke's…

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Q: 8. At an amusement park there is a ride in which cylindrically shaped chambers spin around a central…

A: Mass, m=87 kgForce, F=590 NVelocity, v=3.60 m/s

Q: Zach, whose mass is 70 kg, is in an elevator going up at a constant speed of 2.0 m/s. Match the…

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Q: A ball on a string moves around a complete circle, once a second, on a frictionless, horizontal…

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