At t=0, a fruit juice at 32 °C is brought to a mountain where the temperature is 13 °C. After 5 minutes the temperature of the juice drops to 27 °C. Find the time it takes for the temperature of the juice to drop to 20 °C.

Q: 2. Find the density, specific gravity, and mass of the air in a closed chamber with the dimensions…

A: Given data  Pressure (P) =  1 atm = 101.325 kPa Temperature (T) = 25oC = 25 +273 = 298 K  dimension…

Q: Two blocks of masses 1 kg and 2 kg are pulled by two forces F1 = 1N and F2 = 4N over a frictionless…

A:

Q: A liquid is to be mixed at 40 rpm and the liquid height should be kept below 50 cm. If 100 L of…

A: The maximum radius of the container can be determined as shown below. h=ω2R22gh=2πN602R22g0.5…

Q: A spring has a stiffness of 25 N/m and length of 1 m. Find the work done in stretching the spring…

A: According to the given data K=25 N/m L=1m L1=1.2m L2=1.6 m We need to find The work done in…

Q: A car is moving on a straight road at 10 m/s .it is accelerated at 14 m/s2. What will be it's…

A: Given data :         Time  =  t         Initial velocity  =  u         Acceleration  =  a        To…

Q: 5 kg of steam occupies a volume of 10 m^3. Find the quality if the temperature is measured at 75 C.

A: Given Data, m= Mass of steam = 5 Kg V= Volume of steam = 10 m3  T= Temperature of steam To determine…

Q: In a piston-cylinder assembly, there is initially 2 kg of water at a temperature of 25 °C and a…

A: Write the given data:

Q: A thermometer reading 75° is taken out where the temperature is 20°F. The reading is 30°F four…

A: Given data: Thermometer reading, To=75°F Temperature recorded, Ts=20°F The temperature recorded…

Q: Symbol Explanatory notes Milled Rz 3.2 ~ 1.6 0.2

A:

Q: An electric water heater has a capacity 1200 kw and is used in heating water from 16°C to 40°C for…

A:

Q: As part of a processing of biofuels, water is pumped into a circular tank with a diameter Dt. as…

A: For solution refer below images.

Q: An iron bar 2.0 cm x 3.0 cm x 10.0 cm at a temperature of 95 °C is dropped into a barrel of water at…

A: The rate at which an exposed body changes temperature through radiation is approximately…

Q: How many quadratic degree of freedom does water have if there is a temperature change from 300K to…

A: Water is a triatomic molecule as it consists of two hydrogen molecules and one oxygen molecule. The…

Q: Khufra works at a spring factory and he was assigned to test a certain spring, whose constant is 50…

A:

Q: Show a illustration and complete solution. Thank you

A:

Q: A new temperature scale called grande (gr) is to be invented where freezing and boiling temperature…

A:

Q: A metal container, which has a mass of 8.6 kg contains 17.3 kg of water. A 3.1-kg piece of the san…

A: To find specific heat of metal

Q: Given data : m-20 kg V-2 m/s Find kinetic energy

A: Given data : Mass of object=m Velocity of object=V   To find: Kinetic energy

Q: The kinetic energy of

A: Given; Kinetic energy of the particle at time , t=2Where, A particle of unit mass is moving on a…

Q: A transducer is used to convert the temperature into some physical mechanical quantities or electric…

A: Which transducer is used to convert temperature into some physical mechanical quantities or…

Q: Find the temperature of a gas if it has 6. 023x1023 particles, a pressure of 500pa, and a volume of…

A: Given question belongs to the subject Thermodynamics and can be solved using the Ideal gas equation.…

Q: Find the steady-state temperature inside a buoy floating on the ocean as shown in the figure

A:

Q: In a movie, a 1200 kg car falls a vertical distance of 24 m starting from rest. What is the work…

A: Given:Mass of car, m = 1200 kgVertical distance, h = 24 mInitial velocity, u = 0 ( starting from…

Q: The quality of R-134a is one and pressure is 850 kpa, the value of saturation temperature is :

A: Given:

Q: 8. A thermometer reading 18°F is brought into a room where the temperature is 70°F; 1 min later the…

A:

Q: A thermometer reads 90C initially and is placed in a room of temperature 21C. After 2 minutes, the…

A: Given Data: Initial temperature, T1=120 C Room temperature, Ta= 21 C

Q: ergoes a process in whicl same time interval, 220 J ot it

A:

Q: Prove that entropy change from state A to state B is the same for both paths as shown in the TV…

A: Given: Pressure, volume and temperature at point A: →P1 , V1 , T1 And pressure , volume and…

Q: steel cable is used to pull an 800 kg car across the street. how much acceleration can the car have,…

A: Given ,  Mass of the car , M =800 Kg Maximum tension in the cable , T =2000 N

Q: A tow truck exerts a force of 450 lb. on a car, causing it to accelerate at 10ft/s^2. What is the…

A: External force applied = 450 lb accelerate at 10ft/s^2

Q: A car of mass 30 kg is moving on a road with 4 m/s^2 . The road exerts 35 N frictional force on the…

A: The free body diagram of the car is drawn as,

Q: Find the acceleration (in m/s2) produced in a body of mass 10 kg when a force of 20 N is applied on…

A: Newton's second law state that resultant force acting on body is equal to rate of change of momentum…

Q: A swimmer can swim 10 km in 2 hours when swimming along the flow of a river. While swimming against…

A:

Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.