You have 300 g of coffee at 55°C. How much (mass) 10°C coffee would you need to add to bring your drink to a more reasonable temperature of 49°C. Coffee has the same specific heat as water.

Q: A cylindrical bucket 30 cm in diameter and 50 cm high weighing 25.0 N contains oil (s.g. = 0.80) to ...

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Q: It is friction that provides the force for a car to accelerate, so for high-performance cars the fac...

A: Given μs=1.00g=9.8Initial Speed u0=0m/sfinal Speed uf=80mph=80×16093600m/s=35.75m/s

Q: A satellite travels around Earth in uniform circular motion, at a height of 35,800 km above Earth's ...

A: Here, we calculate the given as follow;

Q: he following equations give the position x(t) of a particle in four situations (in each equation, x ...

A: Given, the equation of positions of the particle, x = 3t - 4x = -5t3 + 4t2 + 6x = 2t2 - 4tx = 5t2- 3

Q: If a = 3.0 mm, b = 4.0 mm, Q, = 60 nC, Q2 = -80 nC, and q = 36 nC in the figure, what is the magnitu...

A: Working formula: According to Coulomb's law the magnitude of electrostatic force between two charges...

Q: (II) The force on a particle, acting along the x axis, varies as shown in Fig. 7–24. Determine the w...

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Q: In any charging process what happens to the charge? * created transferred destroyed cannot be determ...

A: Given  In any charging process ,what happens to the charge??

Q: the engine of an unpowered toy train is rolling at a  constant

A: the engine of an unpowered toy train is rolling at a  constant

Q: Vt = 120V R6 22 RI Z 102 R4 R2 102 122 R5 R3 ww

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Q: 8. A car of mass 2 tons is travelling along a straight horizontal road at a speed of 30 m/s when it ...

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Q: Two unlike capacitors of different potentials and charges are placed in parallel. What happens to th...

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Q: ) A BALL IS DROPPED FROM REST AT A HEIGHT OF 50m above the around A.) What is the Speed just Before ...

A: According to question we need to find time  and final velocity?

Q: What is the instrument used to detect the presence of a charge and sign of the charge? * endoscope p...

A: Given  Instrument used to detect presence of charges and their signs is???   

Q: identical planets with the same mass as that of Earth are positioned in a circle such that any two a...

A: When object moves it requires centripetal force which is provided by already existing force Centripe...

Q: steel cable with total length 20 m  and mass 120 kg is connected to two poles. The tension in the ca...

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Q: ft-lb R= 38.9 A certain ideal gas has a constant R: 38.9 Tb-R with k= 1-4. Find the specific heat at...

A: Given: R=38.9ft.lblb.R k=1.4

Q: A square plane, whose sides measure 2m each, is placed parallel with the direction of the electric f...

A: Express the relation for the electric flux through the plane. ϕE=EAcosθ ------(1) Here, ϕE is the el...

Q: Using ray method, kindly describe the image form by curve mirror. Describe in terms of nature (real ...

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Q: Constants Two resistors of resistance R, = 3.00 N and R6 = 3.00 N are added to the network, and an a...

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Q: 6. The wind is blowing 15 km/h along a heading of N 80° W. A plane needs to land at its destination ...

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Q: 3. A block weighing 200 N rests on a plane inclined upward to the right at a slope of 4 vertical to ...

A: Given that:- Weight of block rest on inclined=200N Weight of block hanging=100N

Q: 3. A block weighing 200 N rests on a plane inclined upward to the right at a slope of 4 vertical to ...

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Q: A 0.20 kg mass is tied at the end of a string, the other end is held and is whirled overhead making ...

A:

Q: 4. A15 gram gun fires bullet at a muzzle velocity of 600 m/s. What is the recoil velocity of the gun...

A: Detailed solution of this question is given in below steps.

Q: Calculate the energy in joules of a visible light -7 photon with a wavelength of 4.2 x 10 m. -34 Pla...

A: Data Given , Wavelength ( λ ) = 4.2 × 10-7 m Planck's constant ( h ) = 6.63 × 10-34 J/s

Q: on the bowl is half of a pair of forces that are related by Newton's Third Law. We call a pair of fo...

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Q: show solution

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Q: The m = 420 gg mass in (Figure) is pushed across the 2.0-m-long cart by a 3.0 N force, starting at t...

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Q: Vector 425 km/h S of E velocity x-component y-component

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Q: A long, straight wire lies on a horizontal table and carries a current of 2.20 µA. In a vacuum, a pr...

A: Given: Current in the wire =2.20μA =2.2×10-6 C Speed of proton(v) = 2.2 ×104 m/s Charge of a proton ...

Q: A metal sphere with radius ra = 1.20 cm is supported on an insulating stand at the center of a hollo...

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Q: A ball is thrown straight up with an initial speed of 5.0 m/s. What are the velocity and acceleratio...

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Q: To push a 25 kg wooden box up a 30° inclined plane, a man exerts a force of 150 N parallel to the in...

A: mass of the block, m = 25 kg angle of inclination of the plane, θ = 30° length of the plane, l = 5 m...

Q: What is the resistance of a 3.9 m  length of copper wire 1.3  mm  in diameter? The resistivity of co...

A: The resistance of a wire is given by,              R = ρlA Here,      ρ is the resiticvity of the wi...

Q: . The magnitude of the flux is maximum when ____________. a. when the angle of tilt is 45 degrees. ...

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Q: Show that the value for both the Celsius scale and the Fahrenheit scale would be the same at -40°. S...

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Q: Solve for what is required in each problem. Report your answers with decimal digits and indicate the...

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Q: Situation 01. Samantha has a height of 1.83 meters measured from the ground surface. She then lifts ...

A:      =4.486 m

Q: Part A A circuit contains a single 280-pF capacitor hooked across a battery. It is desired to store ...

A: A circuit contains a single C = 280 pF capacitor

Q: If it is 2 PM right now, what time was it 150 hours ago?

A: Current time = 2 PM To find: Time before 150 hrs=?

Q: 5. Consider g on a bearing of 110° with g = 11 and h on a bearing of 245° with h= 20. If i = g+h the...

A:

Q: 4. A race car accelerates uniformly from 19.5 m/s to 46.1l m/s in 2.47 seconds. Determine the accele...

A: Given,  Initial velocity, V1 = 19.5 m/s  Final velocity, V2 = 46.1 m/s  Time taken,T = 2.47 sec

Q: A long straight wire carrying a current of 2.05 A moves with a constant speed v to the right. A 5 tu...

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Q: EXAMPLE 2 Determine the moment produced by the force F which tends to rotate the rod about the AB ax...

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Q: 7. An object of mass 10 kg is sliding from the top to bottom in a frictionless inclined plane of inc...

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Q: true or false. I- The speed of light in vacuum is a universal constant, whose value (without uncert...

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Q: Glenda has a height of 1.83 meters measured from the ground surface. She then lifts a rock and throw...

A: Height of Glenda, h=1.83 mAcceleration, a=35.0 m/s2Distance, d=0.64 mBall was released ho=2.20 m abo...

Q: Position was 10m Velocity 0m/s Acceleration -0.7m/s^2 Describe the graph **in the graph pic the man ...

A: Position by time is called velocity. Velocity by time is called acceleration.

Q: 1) A WEIGHTIS DROPPED FROM A TOWER 640fH hign, In how many seconds and With what tveļoaty will.it' h...

A: Part (1): Given:The height of the tower is 640 ft. The initial velocity of the object is 0 ft/s.

Q: At which point, a, b, or c, is the magnitude of the electric field the greatest? explain your answer...

A:

Calorimetry

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