A simple pendulum with length 2.5 m and mass 8 kg is pulled 28° from the vertical and released. 8 kg 2.5 m If it is allowed to swing until it comes to rest, how much energy was converted into heat? The acceleration of gravity is 9.8 m/s². Answer in units of J.

Q: 11. A gas is compressed from 600cc to 200cc at a constant pressure of 400kPa. At the same time, 100J…

A:

Q: The hike to the peak of Mount Hallasan on Jeju Island requires a climb of 1950 m of vertical…

A: Height of the elevation Mass of the person Efficiency

Q: A 4-ton air conditioner removes 5.06×107 J (48,000 British thermal units) from a cold environment in…

A: Given: air conditioner removes 5.06×107 J Or 48000 British thermal units Time 1 hr or 3600 sec (a)…

Q: Water of volume 2 L in a container is heated with a coil of 1 kW at 27°C. The lid of the container…

A: We are aware that a 1 kW coil is heating 2 L of water to a temperature of 27°C in a container.The…

Q: a) How much heat in kcal must be added to 0.57 kg of water at room temperature (20°C) to raise its…

A: To determine: (a) The heat added to the water in kcal Given: Mass of water, m=0.57 kg Room…

Q: A 56 kW electric furnace measures 1.2m x 1.3m x 0.7m. When the temperature inside the furnace is…

A:

Q: How much heat Q, in Joules, is required to warm up 0.5 kg of water from 20 °C to 30 °C ? (Water…

A:

Q: Suppose that the average U.S. household uses 14600 kWh14600 kWh (kilowatt‑hours) of energy in a…

A: Given: mass of car mc = 1470kg            height lifted hc =11.3m            energy E = 14600 KWh…

Q: Water is being heated in a closed pan on top of a range while being stirred by a paddle wheel.…

A:

Q: How much thermal energy (in J) is required to boil 2.75 kg of water at 100.0°C into steam at…

A: The equation used to calculate required to melt all the ice into liquid is Q=mWLv Substitute values…

Q: Heat flows through a wall at a rate of 3 x 10° kJ/hr. The temperatures of two faces of the wall are…

A: Given Data: Q˙=3×105 kJ/hr=3×1053600=83.333 kJ/kWT1=3270C=3270C=327+273=600 KT2=2070C=480…

Q: crate of fruit with a mass of 32.0 kg and a specific heat capacity of 3650 J/(kg⋅K) slides 8.80 mm…

A: According to work energy theorem Work done by net force = change in kinetic energy

Q: Woukdone in blocuing a soap bubble of diamelere 2 cm is (S.T. = = 3 × 10 ² N/mm). (a) 7-54 x 10-5 J…

A: We have to compute-Work done in blowing a soap bubble (W)=?Given that-Surface tension (T)=3×10-2…

Q: A book falls from a table. Suppose some of the thermal energy within the book is spontaneously…

A: Suppose some of the thermal energy within the book is spontaneously converted into kinetic energy…

Q: A 50 KW electric furnace measure 1.2m x 1.0m x 0.8m. When the temperature inside the furnace is 1520…

A:

Q: 1. A coal-fired power plant produces 9.00 × 1013 J of electrical energy in one day, and operates…

A:

Q: Air conditioners sold in the United States are given a seasonal energy-efficiency ratio (SEER)…

A: Temperature inside = 24∘ C = 24 +273 K =297 K Temperature outside =35∘C=35+273K =308 K To find SEER…

Q: When someone has a fever, his or her body temperature might increase by as much as 2°C. Suppose this…

A: The given values are, ΔT=2° Cm=48 kg

Q: An automobile with mass 2000 kg is traveling at 20 m/sec. How much heat is developed in the brakes…

A: Given, mass of automobile m= 2000kg , speed v = 20m/s

Q: A closed box is filled with dry ice at a temperature of -80.1 °C, while the outside temperature is…

A:

Q: A piece of iron block moves across a rough horizontal surface before coming to rest. The mass of the…

A:

Q: Wouk done in blocuing a soap bubble of diameter 2 cm is (S.T. =3×102 N/mm) (a) 7-54 x 10-5 J (b)…

A: We have to compute-Work done in blowing a soap bubble (W)=?Given that-Surface tension (T)=3×10-2…

Q: Luis and Salman are trying to increase the temperature of a substance by heating it.. What is the…

A: In the given question, we are required to increase the temperature of a substance by heating. Give…

Q: The temperature of a spere is raised in by 300˚C. The coefficient of volume expansion of the sphere…

A: The formula for the volumetric expansion is: From the question statement, the change in temperature…

Q: A weightlifter drinks a protein shake that contains 2.00 × 10² Calories. She then performs multiple…

A: Given Data:The protein shake contains the amount of energy isThe work done by the weightlifter is…

Q: student is trying to find the energy it takes to melt an ice cube. They measure exactly 95.1 mL of…

A:

Q: A swimming pool filled with water has dimensions of 4.76 m ✕ 10.2 m ✕ 1.70 m. Water has density ρ =…

A:

Q: An insulated Thermos contains 120 cm³ of hot coffee at 78.0°C. You put in a 13.0 g ice cube at its…

A:

Q: 9. A physics student decides to “burn off” some Calories by climbing a ladder. As the ladder is…

A: Part (a) Given data: The mass of the student is m=75 kg. The calories to burn off is E=1 Calorie…

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: 1. Kurdapya, a grade 12 STEM student is helping her sister solve this problem. How fast is an oxygen…

A: Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…

Q: A gasoline engine has a power output of 170 kW (about 2.28×105 hp ). Its thermal efficiency is 22.0…

A:

Q: The human body, while at rest, produces heat energy at a rate of about 116 W. How much sweat (in g)…

A: Given data The heat energy is given as Q˙=116 W. The latent heat of vaporisation is given as Lv =…

Q: (a) How many joules of energy are the equivalent of one jelly doughnut? (b) How many stairs must the…

A: The weight of the woman is w=58 kg. The woman eats 555 kcal.

Q: The Curiosity rover landed on Mars on August​ 6, 2012, and is currently exploring the surface.…

A: Calculate the efficiency of the curiosity RTG.

Q: A 42 client with a body mass of 74 kg is interested in jogging on the treadmill as their primary…

A: Mass of the client=74 Kg Amount of calorie needs to be burnt in each jogging session,  E=350…

Q: A suspension bridge cable is exposed to the elements. For this particular bridge, temperatures vary…

A:

Q: The motor that drives a refrigerator produces 151 W of useful power. The hot and cold temperatures…

A:

Q: 1. A 60 kg student runs up a 300m long, 8.5° ramp at a constant speed of 2.5 m/s on a 25°C day. The…

A: Given that: Mass of the student, m= 60 kg Length of the ramp, l= 300 m Angle of inclination, θ=8.5°…

Q: The human body is not perfectly efficient. In fact, only about 20% of the Calories we consume are…

A: Given human body efficiency e=20%=0.02 Person mass m=85kg Energy per bar b=150cal Height of empire…

Q: When it rains, water vapor in the air condenses into liquid water, and energy is released. (a) How…

A: length, Area,

Q: An electric heater transfers 8.90 ✕ 105 J into a block of ice with a mass of 2.16 kg and an initial…

A: Let the mass of the ice be m, the heat supplied by the electric heater be Q, and the latent heat of…