how many caloriers are absorbed by a pot of water with a mass of 500g in order to raise the temperature from 20 degrees celcius to 30 degrees celcius

Q: A block of mass 20 kg is pushed up against a spring of spring constant 1200 N/m compressing it 50 cm…

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Q: A table tennis ball has a mass of about 2.45 g. Suppose the ball is hit across the table with a…

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Q: If a 4 moles of a gas at a pressure of 5.6 atm and a volume of 12 liters, what is the temperature?

A: Givenn=4 molesP=5.6 atmV=12 L

Q: 2 Problem #2 The horizontal motion of a mass m connected to a spring (ignore damping) is de- scribed…

A: Given: x(t) =3 cm .  sin2(rad/s)t-π2(rad)

Q: 3. A solid sphere with a radius of 0.25 m and a mass of 12 kg is being rotated with an angular…

A: Here , m = 12 kg , r = 0.25 m , w = 10 rad/s Angular momentum (L) = ? L = mvr  But v = rw L = m(rw)r…

Q: For each case, determine the direction of the force on a positive charge moving with velocity i in a…

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Q: Part A A woman stands on a bathroom scale in a motionless elevator. When the elevator begins to…

A: GivenWhen the elevator begins to moveThe scale briefly reads only 0.7 of her regular weight

Q: Problem 6: You are looking for a mirror that will enable you to see a 3.4-times magnified virtual…

A: Given that                   The object distance (u) = -4.2cm magnification ratio (m) = 3.4 it is…

Q: Part A A box is given a push so that it slides across the floor How far will it go, given that the…

A: If friction coefficient is uk then deceleration of the object will be  a = ukg= 0.18*9.8= 1.768 from…

Q: An athlete lifts a 410 N set of weights from ground level to a position over her head, a vertical…

A: Given data:  Weight = 410 N Distance (d) = 1.90 N Weight moved at constant speed Required: Work done…

Q: 1. A 0.5 kg ball is attached to a 0.75 m long string and is being rotated in a horizontal circle…

A: Write the given values with the suitable variables. m=0.5 kgr=0.75 mv=7 m/s Here, m is the mass, r…

Q: You can see that you are in a rocket which has just taken off from the surface of an alien planet.…

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Q: A hockey puck (5g) slides horizontally without friction across the ice from position A to E. Draw…

A: We are given the hockey puck which is sliding on horizontal without any friction. Thus there will no…

Q: Determine the reactions at the supports of the beam which is loaded as shown Assume w1 = 820 N/m, w2…

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Q: In a Young's double slit experiment, 16 fringes are observed in a certain segmer of the screen when…

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Q: A proton moves perpendicular to a uniform magnetic field B at a speed of 1.00 X 10^7 m/s and…

A: Answer:-  Given  Velocity (V) = 1.00 × 107 m/s k (k unit vector)  Acceleration (a) = 2.00 × 1013…

Q: The dimensions of angular momentum, latent heat and capacitance are, respectively. (a) ML’T'A²,…

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Q: Choose the correct answers. 1. What is the cyclotrone frequency of an electron in a magnetic field…

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Q: In a Young's double slit experiment, 16 fringes are observed in a certain segment of the screen when…

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Q: hydrogen atom is excited to the n=4 level. Its decay to the n-2 level is detected in a photographic…

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Q: As shown in the figure below, a uniform beam is supported by a cable at one end and the force of…

A: Let the tention in the string be T.  T will have two components, one upward (Tsinθ) and another…

Q: Find the moment of inertia of a rod with a mass of 0.5 kg and a length of 0.75 m when rotated about…

A: Given data:  A rod Mass (m) = 0.5 kg Length (L) = 0.75 m Required: The moment of inertia about its…

Q: б. friends use a simple rope and pulley to raise a tree house from the ground into a tree. The mass…

A: Given: M=150 kgF=1.6*103 Nh=3.2 m

Q: 1. Calculate the angular momentum and kinetic energy of an object rotating at 2.5 rad/s with a ma of…

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Q: solving. Solve the following problems. lem A. Projectile Motion 1. A package of emergency supplies…

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Q: Predict: If a stronger magnet is used to create the change in magnetic field, the current produced…

A: Given : What happens to the current through the coil if a stronger magnet is bought near to it ?

Q: A 150 kg bucket is lowered vertically by a rope in which there is 166 N of tension at a given…

A: Given that              The mass of the bucket is (m) = 15Kg              Tension on the rope is (T)…

Q: A car is traveling at 30 m/s along a horizontal road. The coefficients of friction between the road…

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Q: s, m1 and m2, are attached to a 1.95-m-long steel wire which runs over a light, frictionless pulley…

A: GivenL=1.95 md=4 mm=0.004 mm1=3.3 kgm2=4.9 kg

Q: A negative test charge is placed in a region of positive source. Which of the following statements…

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Q: Light of wavelength 634 nm from a light source illuminates a single slit of width 0.1 mm. What is…

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Q: Please select all that are correct Select one or more: a. Spiral motion happens when both tangential…

A: a Linear tangential speed depends on the distance from the center. So, spiral motion happens when…

Q: When a fan is switched from medium to high the fan blade accelerates from 12.0rev/sec to 15. During…

A: GivenInitial angular velocity ,ωi=12  rev/sFinal Angular velocity, ωf=15 rec/sDuring this time fan…

Q: A pole is attached to a wall with a hinge as shown. A sign is suspended at the other end of a pole,…

A: given:D2=2.70 mα=22.0D1=1.40 mtotal torque due to pole and sign τ = 575 Nm

Q: All six bulbs in the circuit illustrated in the figure are identical. Which of the following…

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Q: 1. Define Reynolds number and explain its importance in fluid flow? 3. What are Reynolds number…

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Q: N P. W

A: Most probably you must have asked to write the FBD equations. So i will do that.

Q: 15. Fe →Co + 27 16. 17. 1Si + 56NI + öy 28 18. 20 19. 1Ne + → g0 + He 20. WOTOBPARD

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Q: The required tension in cable AB is 200 | (Note: Point C is a pin joint.) Draw a free body diagram…

A: We have given that figure as  The required tension on the AB is T =  200 lb and point C is the…

Q: A package with a mass of 40.0 kg slides down a smooth ramp with negligible friction. The package…

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Q: Part A If 725-nm and 650-nm light passes through two slits 0.65 mm apart, how far apart are the…

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Q: A mass of 0.750 kg is hung from a vertical spring with a spring constant of 20 N/m. After coming to…

A: .

Q: Use ray diagrams and the mirror equation to locate the position, orientation, and type of image of…

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Q: Predict: If the magnet was moved closer at a slower speed, the current produced would be... bigger.…

A: The concept of magnet is use here.

Q: White light containing wavelengths from 410 nm to 750 nm falls on a grating with 7900 slits/cm. How…

A: Givenλ1=410 nmλ2=750 nmN=7900 slits/cm

Q: which wave can propagate even in vacuum? a. electromagnetic wave b. longitudinal wave c.…

A: Required:  The wave that can propagate through vacuum

Q: Given data Mass 40 kg Kinetic energy 1200 J %3D Find velocity ?

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Q: How many turns of wire are there in a coil in which 35.7 volts are induced when the flux thru it…

A: Induced voltage in the coil V=35.7 V and rate of change of magnetic flux in the coil…

Q: The wavelengths of the visible spectrum are approximately 400nm (violet) to 700nm (red). Find the…

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Q: A very large clock has a pendulum with a length of 3.70m. What is the period of this pendulum? O…

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Calorimetry

Measuring the heat transferred during chemical reactions or other physical processes is known as calorimetry. It comes under the branch of thermochemistry.