How much heat is released by a system when 159 J of work is done on it to decrease its energy to 67 J?

Q: A piece of aluminum whose mass is 10 kg has a specific heat capacity of 900 J/kg×°C and is warmed by…

A: Given: mass of the aluminum (m) = 10 Kg                 specific heat capacity of aluminum (c) =…

Q: A medium disk is moving initially with a rotational speed of 30 rads per second and a final…

A:

Q: Suppose you move a 15-kg crate by pulling upward on the chain at an angle of 45 degrees above the…

A: mass of crate (m) = 15 kg θ = 45 degree a = 0.5 m/s2Let the tension = T μk = 0.56

Q: , how old is a sample if two-thirds of it is now the daughter isotope? What type of decay is…

A: We know , N=N0e-λt Where, N= remaining part of the sample N0=Initial amount of the sample λ=decay…

Q: Suppose you move a 15-kg crate by pulling upward on the chain at an angle of 45 degrees above the…

A:

Q: Find pressure Force-0.25 N Area 0.2 m2

A:

Q: Two pistons of a hydraulic lift have a radius of 5 cm and 11.5 cm respectively. If the input force…

A:

Q: A charge of 8 nC is placed at each of the four corners of a square of sides 4 cm long.  Calculate…

A:

Q: and I? Two resistors are connected in parallel as shown in the figure. What is the value of RT VT =…

A:

Q: 5-kg sled has a potential energy of 6500 J at position A above the ground. When the sled strikes the…

A: Given  potential energy (U)=6500 J mass(m)=5 kg

Q: Determine the final velocity of car U=13.2 m/s a=2.34 m/s2 t=3 s

A: Given: The initial velocity is 13.2 m/s. The acceleration is 2.34 m/s2. The time interval is 3 s.

Q: A 68.5-kg astronaut is doing a repair in space on the orbiting space station. She throws a 2.25-kg…

A:

Q: Find the resistance Voltage=22 V Current 3 A

A: Given data : Current=i Voltage=V   Required : Resistance

Q: Find the impulse Force=12.22 N Time-3.21 s

A: Answer:-  Given  Force (F) = 12.22 N  Time (∆t) = 3.21 s  Impulse (∆p) = ?  We know that  Impulse…

Q: A current-carrying wire of length 50 cm is positioned perpendicular to a uniform magnetic field. If…

A:

Q: A cart X with a mass of 4 kilogram is initially moving at 5 meters per second. It collided with cart…

A: Since it is given that collision is perfectly inelastic, So according to its properties ,…

Q: Hinata throws a 0.3-kg volleyball at the wall. With a velocity of 3.2 m/s, the volleyball hits the…

A: Given in question - Mass of the volleyball (m) = 0.3 Kg                                   Initial…

Q: Find distance covered by car Speed=23.5 km/hr Time=2 hr

A: Given data : Time=t Speed=S   Required : Distance

Q: A 2500 kilogram truck is moving initially with a velocity of 10.00 meters per second. To change its…

A:

Q: Calculate the momentum mass=1.088 kg Velocity 0.454 m/s

A: Given data : Mass=m Velocity=V   Required : Momentum

Q: Andy carries a sack of rice on his shoulder by applying a 250N force. Andy moves 8 m horizontally,…

A:

Q: A tire is rolling along a road, without slipping, with a velocity v. A piece of tape is attached to…

A:

Q: MASS SPECTROMETER: URANIUM SEPARATION II. In the figure below, what would happen to the separation…

A: When a charge particle enters in a magnetic field of strength B which is perpendicular to the…

Q: A cart X with a mass of 4 kilogram is initially moving at 5 meters per second. It collided with cart…

A: mass of cart x and cart y = 4 kg and 6 kg respectively initial velocity of cart x and cart y = 5 m/s…

Q: Consider an equilateral triangle 123 having each side length equal to 0.2 m. Let the uniform point…

A:

Q: 4.0 kg block rests at the edge of a platform that is 20 m above level ground.  The block is launched…

A: Equation of motion  S = ut + (1/2) at^2 a = acceleration u = initial speed t = time Also,  In this…

Q: UNO DOLOMIT . A ball of mass 0.150 kg is dropped from rest from a height of 1.25 m. It rebounds from…

A:

Q: wo parallel wires are separated by 0.25 m. Wire A carries 5.0 A and Wire B carries 10 A, both…

A:

Q: Calculate the power delivered to each resistor in the circuit shown 2.00 Ω Μ -3.00 Ω 1.00 Ω 18.0 V Μ…

A:

Q: What is the equivalent resistance of the combination of resistors shown below: R₂ = = 3.51 R₂=2.5 un…

A:

Q: Refer to the figure below. An object was submerged and attached to a massless string connected to…

A:

Q: What is the electrostatic force of attraction between 2 positively charged particles separated by…

A: Given:  q1 = 8×10-6 Cq2 = 5×10-6 Cr = 0.3 m

Q: A constriction in a pipe reduces its diameter from 4.0 cm to 2.0 cm. Where the pipe is narrow the…

A:

Q: A heavy pot made of copper has a mass of 2.07 kg (including the lid) and is heated in an oven to a…

A:

Q: Find acceleration U=2.22 m/s V=2.84 m/s t=2s

A: Given data :- initial velocity u = 2.22 m/s final velocity v = 2.84 m/s time t = 2 s

Q: if action is of 10 N, then the reaction will be of O 10 N in the same direction 20 N in the same…

A:

Q: charge QI = 3.0x10-⁹ Coulombs located in xy plane at a coordinate of (0, 3meters) and a charge QII =…

A:

Q: A stone was thrown in the air at an angle 37 degrees above the horizontal. Given its horizontal…

A:

Q: Which of these colors of light passes most easily through interstellar clouds? a Green light…

A:

Q: A 5-meter long Brass rod with a diameter of 0.01 meter increases in length by 0.05 m when its…

A:

Q: Find speed Distance=22.123 m Time=2 s

A: Given: The distance traveled by the object is 22.123 m. The time interval is 2 s.

Q: Which of the following statements is/are correct? i. If a non zero net force acts in an object, it…

A:

Q: ) One ton of TNT releases 4.18 gigajoules of energy. The metric prefix giga means billion. How much…

A: We know Einstein's Mass-energy equivalence equation,      E=mc2 where, m= mass E= energy  c=speed of…

Q: a) If the mass lost in a nuclear fission reaction is 15 grams, how much energy is released? b) An…

A:

Q: Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure. If a…

A:

Q: A bus is 130 m long runs at 25 m/s. Calculate the time?

A:

Q: Consider an equilateral triangle 123 having each side length equal to 0.2 m. Let the uniform point…

A:

Q: A Lightning McQueen toy car with a 10 cm height is placed 30 cm in front of a concave mirror. The…

A: height of object (h) = 10 cm object distance (d) = 30 cm focal length (f) = 20 cm

Q: Noel is playing on a swing and has a weight of 60.0Newtons. Approximately, what is his maximum speed…

A: weight of noel = 60 N initial height of the swing = 0.5 m final maximum height of the swing = 3 m

Q: force of 145.0 Newtons was applied by Jing to Nescy whose mass is 80.0 kg and is just resting at the…

A: Correct option is (2) 1.81m/s²

Calorimetry

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