A substance that has a temperature of 43 °C is poured over a glass that is at 83 °C, completely covering it. The temperature at equilibrium is 53 °C. The mass of the glass and the liquid is the same. Ignoring the container that holds the glass and liquid and assuming that the heat lost to or gained from the surroundings is negligible, determine the specific heat capacity of the liquid. C of glass is 840 J/kg°

Q: . Point charges 2μC and 3 μC are placed in a medium of dielectric onstant 80 at a distance 3 cm…

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Q: Two capacitors, 12-μF and 6-μF are connected in parallel. The combination is connected to an 18-V…

A: Given value--- Two capacitors, 12-μF and 6-μF are connected in parallel.  combination is connected…

Q: e drawing shows a 12.6-kg ball being whirled in a circular path on the end of a string. The motion…

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Q: 1.Two ice skaters stand at rest in the center of an ice rink. When they push off against one another…

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Q: 2) A small current-carrying loop is placed in a uniform magnetic field as shown in the figure. Which…

A: Given:-  As shown in the figure below, a small current-carrying loop is placed in a uniform magnetic…

Q: A pitcher delivers a fast ball with a velocity of 43 m/s to the south. The batter hits the ball and…

A: Given data:  Initial velocity (u) = -43 m/s Final velocity (v) = +51 m/s Time (t) = 1.0 ms Required:…

Q: Consider a loop of conducting wire. Which of the following would result in an electric current…

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Q: A square of side 3 cm is located at a distance 25 cm from a concave mirror of focal length 10 cm.…

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Q: A projectile is shot directly away from Earth's surface. Neglect the rotation of the Earth. What…

A: We know that, at escape speed. the Kinetic energy of an object will be equal to the magnitude of…

Q: Imagine a meter stick set up as in the figure (in the video above). It hangs from a central bracket,…

A: Given: m1 = 50 gram = 0.05 kgx1 = 20 cm = 0.2 mm2 = 100 gram = 0.1 kgx2 = 80 cm = 0.8 mx3 = 60 cm =…

Q: Have you ever chewed on a wintergreen mint in front of a mirror in the dark? If you have, you may…

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Q: 1. A car moving at 8 m/s crashes into a tree and stops in 0.29 s. The mass of the passenger is 74…

A: Momentum of pilot before crash, p1=8×74…

Q: 1. A baseball is dropped from rest from the top of a building. What is the displacement of the…

A: Given data:  Initial velocity (Vi) = 0 m/s Time (t) = 5.0 s Required: The displacement of the ball…

Q: A 690-W TV receiver is turned on for 4 hours with nobody watching it. If electricity costs 10…

A: Given, The power of the TV P= 690 W The TV was turned on for 4 hours.

Q: Light enters a substance from air at 45.0° to the normal. It continues within the substance at 25.0°…

A: Given data:                Incident angle (i) = 45°                Refracted angle (r) = 25°

Q: A beam of white light is incident at 340 to the surface normal of a stagnant lake. When the light is…

A: We are given that a beam of white light is incident to the surface of a stagnant lake at an angle of…

Q: "What is the smallest value of B that can be set up at the equator to permit a proton of speed 10'7…

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Q: If a resistor in a series circuit is shorted, the series current, I drops to zero stays the same…

A: Given, A resistor in a series circuit is shorted. We know that current = VoltageReq In series…

Q: In Figure below the hand moves the end of the Slinky up and down through two complete cycles in one…

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Q: A 3.49 rad/s (33 rpm) record has a 6.00-kHz tone cut in the groove. If the groove is located 0.100 m…

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Q: 1.A 57.8-kg person holding two 0.880-kg bricks stands on a 2.10-kg skateboard. Initially, the…

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Q: Imagine a meter stick set up as in the figure (in the video above). It hangs from a central bracket,…

A: Given:  m1 = 200 gm = 0.2 kgx1 = 20 cm = 0.2 mm2 = 50 gm = 0.05 kgx2 = 80 cm = 0.8 mx3 = = 70 cm =…

Q: A Tunable Inclined Plane. You and your team are designing a tunable, single-tone, acoustic emitter.…

A: It is given that , the length of the string is L=34.0 cm=0.34 m, the mass per unit length of the…

Q: The plates of a parallel plate capacitor have an area of 0.4 m^2 and are 3 mm apart in air. If…

A: Given value--- Area = 0.4 m2. separation = 3 mm. Voltage = 200 V. We have to find--- potential…

Q: In the figure, a rectangular slab of slate rests on a bedrock surface inclined at angle = 28.1°. The…

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Q: A rocket ascents into the air at an angle of 77 degrees. Assume that its 18,000 kg mass remains…

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Q: What is the energy required to power a 1100-Watt microwave for 4 minutes?

A: Given data The Power of the microwave is given as P = 1100 W. The time interval is given as t = 4…

Q: A 2.80 kg object is subjected to three forces that give it an acceleration á = (1.80 m/s² )i + (7.20…

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Q: A fireworks rocket is launched vertically into the night sky with an initial speed of 44.2 m/s. The…

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Q: A 200 g block on a frictionless surface is pushed against a spring with spring constant 500 N/m,…

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Q: Determine the resultant of B and C if the res A = 75 KN 40% B

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Q: 3-kg concrete block is lowered with a downward acceleration of 5.0 m/s² by means of a rope. he force…

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Q: If Mel’s face is 38.9 cm in front of a concave shaving mirror creating an upright image 1.46 times…

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Q: A ball is thrown vertically upward from the ground and a student gazing at the window sees it moving…

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Q: An automobile sideview mirror on the passenger side shows an image of a truck located 53 m from the…

A: Givenf=-0.59 mu=53 mmirror formula1f=1v+1u

Q: Starting from rest, a particle confined to move along a straight line is accelerated at a rate of…

A: Given data:   Initial velocity (u) = 0 m/s Acceleration (a) = 5.0 m/s2 Required: The correct…

Q: The three air carts shown in Figure 9–27 have masses, reading from left to right, of m, 2m, and 4m,…

A: Given data- The three air carts have masses, reading from left to right is m, 2m, and 4m,…

Q: A position-time graph of a spring is shown here. What is the period of the spring's motion? Position…

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Q: Imagine a book sitting on a horizontal table. One of the forces acting on a book is a normal force…

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Q: A constant force of 8.0 N is exerted for 4.0 s on a 16-kg object initially at rest. The change in…

A: This problem can be solved using Newton's second law of motion and fundamental equations of motion.

Q: A crosswind affects the motion of an airplane. Plane (P) is pointed north but Air (A) blows east.…

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Q: What fraction of a radioactive sample has decayed after three half-lives have elapsed? O 1/8 O 3/4 O…

A: To find the fraction of radioactive sample that has decayed after three half-lives have elapsed. The…

Q: You are holding a shopping basket at the grocery store with two 0.56-kg cartons of cereal at the…

A: Given data- Mass of cartoon of cereal mcereal =0.56 kg , for two cartoons =2mcereal Length of basket…

Q: You have been selected to be the first person to travel to Mars, you are curious how strong gravity…

A: gmars = GM/R²  gmars = [(6.67 * 10-¹¹)(6.39 * 10²³)]/(3.39 * 10⁶)²  gmars = 12.573 m/s²

Q: Consider the fusion reaction  1H + 11B ----> 34 He Estimate the top of the Colomb barrier .…

A: RH = 1.2(1)1/3 = 1.2 fm  RB = 1.2(11)1/3 = 1.2 × 2.22 = 2.67 fm

Q: Four identical textbooks, each of length L, are stacked near the edge of a table, as shown in Figure…

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Q: receive AM radio, you want an RLC circuit that can be made to resonate at any frequency between 500…

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Q: In a diagnostic procedure, a patient in a hospital ingests 66 mCi of gold-198 (t1/2 = 2.7 days).…

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Q: Unpolarized light passes through two ideal Polaroid sheets. The axis of the first is vertical and…

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Q: A satellite orbits the Earth near the equator at a distance of 300 km from the Earth's surface. Use…

A: The orbital period of a satellite can be defined as the time taken by a satellite to complete one…

Calorimetry

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