A 20.0 kg curling stone travels 30.0 m along the ice surface. If the frictional force is 10.0 N, the thermal energy produced is ______.
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A: Given : Work on surrounding (W) = -345 J Heat supplied (q) = -870 J
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A: The change in internal energy is given by, ∆U=Q-W
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Q: The specific heat of steam at atmospheric pressure is 2,010 J/kg °C. Evaluate the energy required to…
A: Given : c = 2010 J/kg.°C m = 3.30 kg Ti = 110°C Tf = 132°C
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Q: Suppose that a 59 kg boy and a 48 kg girl rode a car. They a traveled a 9 km distance. In 5.4 s,…
A: Mass of the car=3760 kg mass of the boy=59 kg mass of the girl=48 kg Total mass of the system =3867…
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A: Let n denotes the frequency, w denotes the work done in each cycle, and P denotes the power output…
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Q: An object with a large surface area has a mass of 20kg, and falls freely under gravity from a height…
A: Given: The mass of the object is 20 kg. The initial height of the object from the ground is 25 m.…
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Q: A3.5 kg mass is sliding across a horizontal table at an initial speed of 6.8 m/s before friction…
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Q: A hot water heater in a residential home runs for an average of 2.5 hours per day with a heat energy…
A: Solution-Given thatAverage running hour of water heater per day (t)=2.5 hours=2.5×60×60 seconds=9000…
Q: A small block of mass m = 230 g is released from rest at point , along the horizontal diameter on…
A: a) The required kinetic energy is, b) The required total mechanical energy is,
Q: This time, the pendulum is 1.89 m long and has a mass of 3.24 kg. You give it a push away from…
A: The length of the pendulum is 1.89 m. The mass of the pendulum is 3.24 kg. The speed of the pendulum…
Q: How long in minutes will the energy in an 862 kJ (206 kcal) cup of yogurt last in a woman doing work…
A: Given Data: The energy stored in Yogurt is, E=862 kJ The power is, P=110 W The efficiency of a woman…
Q: 184.0 g of water is heated using 61.0 W of power, with perfect efficiency. How long will it take to…
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Q: A 150 Hb.- ball initially on the top of a 20ft ladder is d ropped and hits the ground.With re…
A: Given : Mass of ball = 150 lb Initial Velocity of ball = 0 ft/s Initial height of ball = 20 ft
Q: 5. This time, the pendulum is 1.55 m long and has a mass of 3.07 kg. You give it a push away from…
A: mass of the pendulum, m=3.07 kg length of the pendulum, L=1.55 m initial velocity applied, v=2.65…
Q: A given gasoline yields 1.25 x 104 cal/g when burned. How many joules of work are obtained from 975…
A: Given data: Energy rate from burning = 1.25×104 cal/g Mass = 975 g Required: The work obtained in…
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A: When multiple forces applies on a object, then splitting them is best way to solve problem. In this…
Q: A hot water heater in a residential home runs for an average of 3.2 hours per day with a heat energy…
A: Given Data:- The number of hours per day that the heater runs: 3.2 h/day=3.2×3600 s/dayThe energy…
Q: If the net work is 89 kJ and the efficiency is 61% how much heat is added in the system? O 145.98 kJ…
A: When we are transferring energy or doing some work then all of the work does not go into the system.…
Q: In the past decades, coal was used to heat the engine of a steam locomotive. With the engine, a…
A: Given that:
Q: A copper wire is stretched by 0.5 % of its length. Calculate the energy stored per unit of its…
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Q: A simple pendulum is suspended from the ceiling by means of a string and this time, the pendulum is…
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Q: This time, the pendulum is 1.62 m long and has a mass of 4.59 kg. You give it a push away from…
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Q: A weightlifter curls a 26 kg bar, raising it each time a distance of 0.65 m . How many times must he…
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Q: A hot water heater in a residential home runs for an average of 2.2 hours per day with a heat energy…
A: Given : Average running time of hot water heater = 2.2 hrs. per day = 2.2 * 60 * 60 = 7920 s Heat…
Q: A 46-kg woman eats a 522 Calorie (522 kcal) jelly doughnut for breakfast. (a) How many joules of…
A: Given: mass of woman, m = 46 kg doughnut jelly energy, E= 522 calorie To Find: (a) Joule of energy…
Q: An ideal heat engine operates between 177 degree C and 27 degree C. If the engine takes 5*1000000 J…
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Q: If I add 12,183 J of energy to an ideal gas inside a balloon causing the internal energy to increase…
A: Given data: Q=12183 J∆U=5185 JNeed to determine the work is done on the environment by the gas as…
Q: How much work must be done by this heat pump to supply 2550 J of heat on a day when the outside…
A: Given data : Heat supply to heat pump is, Q=2550 J. Outside temperature is, To=253 K.
Q: This time, the pendulum is 1.51 m long and has a mass of 3.01 kg. You give it a push away from…
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Q: A smooth circular hoop with radius of 0.5 meters is placed flat on the floor. A 0.400-kg particle…
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Q: a rock with mass0.15kg is placeedin a sling shot and the elastic band of the sling shot is stretched…
A: Introduction: Elastic Potential Energy (E): It is a form of potential energy (in J) which is stored…
Q: A simple pendulum is suspended from the ceiling by means of a string of length 2.15 m long and has a…
A: Write the given values with the suitable variables. l=2.15 mm=4.08 kgQ=1 Jv=2.83 m/s Here, l, m, Q,…
Q: A 361-W heat pump operates between the ground, whose temperature is 6.2, and the interior of a house…
A: ΔT = T2 - T1 ΔT = 20.1°C - 6.2°C = 13.9°C
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