6. What requires the most energy? Raising the temperature by 1 degree for 1 kg of ice Freezing 0.5 kg of ice Melting 1 kg of ice Raising the temperature by 1 degree of 5 kg of ice

Q: A 1000 kg car travels around a circular track at a constant speed. a. Draw the free-body diagram for...

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Q: A 60 kg student rides on a roller coaster that makes a vertical loop. a. Draw a free-body diagram fo...

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Q: A physics student with mass 51kg slides in the snow (see figure). Find the velocity for each points ...

A: Given: ha=100mhb=60 mhc=30mhd=60mhe=0m

Q: Suppose that Å = 2i + j, B = i- 4j + k, and Ĉ = j+k. What is the direction of vector A ? A 26.6 E of...

A: Given: A→=2i+jB→=i-4j+kC→=j+k

Q: A 5-L amount of water at a temperature of 25°C will be raised to what temperature if 3000 calories o...

A: Given value--- Volume = 5 L. initial temperature = 25 degree C.  heat = 3000 cal. We have to find-...

Q: In the system of connected blocks shown in the figure, the coefficient of friction under blocks B an...

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Q: In scenario 2, the elevator is moving with upward acceleration a2 5.51 m/s2. %3D FN.2 N

A: In scenario 1 , since the elevator move with constant velocity , so its acceleration will be zero.  ...

Q: What is the acceleration of the "two block" system in the figure? 5 kg 30 N 10 kg A 6 m/s? B) 2 m/s?...

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Q: n which one of the following situations does the car have a westward acceleration? A The car travels...

A: Acceleration is the rate of change of velocity.

Q: Given the circuit below, with R=2 ohms and C-0.2 Farads, compute for the transfer function Vo(s)/Vin...

A: According to question we need to find transfer function V0 / Vin .  

Q: A hose shoots water straight up a distance of 2.5 m. The end opening on the hose has an area of 0.75...

A: Given value--- height = 2.5 m. Area of opening end = 0.75 cm2.  We have to find--- How ,much wate...

Q: A 4.0-kg object's velocity-vs-time graph is shown below. What is the net force on the object when t=...

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Q: A potato is placed in a microwave oven to verify the first law of thermodynamics. What is the mechan...

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Q: block of mass M is hung by ropes as shown. The system is in equilibrium. The point O represents the ...

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Q: Given A = ax + 4ay and B = 5ax – ay + 2az Determine the scalar projection of vector A on vector B.

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Q: What are the magnitude and direction of the electric field if the object has .. a.) a charge of + 30...

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Q: 2. A positive charge Q=8 mC is placed inside the cavity of a neutral spherical conducting shell with...

A: Solution: 2. We know that in a neutral spherical shell, charge is always conserved according to Gaus...

Q: wo rods and one cable are attached to the supports at O. If two of the forces are as shown, determin...

A: We need to find the value of force F to be applied and the angle at which it should be applied to ac...

Q: Question 3 of 9 A space traveller weighs herself on Earth at a location where the acceleration due ...

A: Given : g = 9.83 m/s2 W = 503 N g' = 13.1 m/s2

Q: A 16384-point discrete fourier transform is used to evaluate the power spectral density of a signal ...

A: The frequency resolution is defined as Fs/N in FFT, Where Fs is sample frequency, N is number of dat...

Q: Given that, bz (400mm x 3000)mm b3(400mmx yootim) Area 100000mm? %3D 400 XB00 01200000 mm2 Ab3 = 400...

A: Write the relationship between stress and area. For constant force F, the stress σ is inversely pro...

Q: A fluid that occupies a volume of 24 L weighs 214 N at a location where the gravitational accelerati...

A: Given value--- Volume = 24 L. weight = 214 N. g = 9.80 m/s2.  We have to find--- mass ?

Q: A block is pulled along a rough level surface at constant speed by the force P. The figure shows the...

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Q: The kinetic energy of a 4.0 kg object moving at 3.0 m/s is: 1. 12 J *2. 18 J 3. 36 J 4. 48 J

A: Kinetic energy = 1/2× mv2 Where.   m= mass, v= velocity

Q: The 67.5-kg block A is released from rest. Determine the velocity in m/s of the 28.1-kg block B in 6...

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Q: How much work in kJ is necessary to compress air in an insulated cylinder from 0.215 m to 0.035 m? U...

A: To solve this we generally make a few necessary assumptions. They are: The gas is ideal gas It is a...

Q: After being accelerated to a speed of 1.89x105 m/s, the particle enters a uniform magnetic field of ...

A: Given: Speed of particle = 1.89 ×105 m/s Magnetic field strength = 1.00 TRadius of circle = 34.0 cm ...

Q: A specific aircraft needs a velocity of 42m/s to generate enough lift for takeoff. It takes 50.0s to...

A: GivenSpecific aircraft needs a velocity=42 m/sTime taken by aircraft =50.0 s

Q: Two neutral, square, thin copper plates (15 cm per side) are situated parallel to each other and loc...

A: Given Potential difference provided by the battery across the plates = 9V Seperation between the pla...

Q: Part A Two piers, A and B, are located on a river: B is 1500 m downstream from A (Figure 1). Two fri...

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Q: Starting from rest, a particle moving ina straight line has an acceleration of a = (2t – 6) m/s, whe...

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Q: An apple crate with a weight of 225 N accelerates along a frictionless surface as the crate is pulle...

A: Let, the mass of the apple crate is M. So the weight of the apple crate is, W = Mg g = 9.81 m/s2

Q: A speed boat pulls a water-skier (with a mass of 100 kg) at a steady speed by a rope at 15 degrees a...

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Q: A sound has an intensity of 150 W/m2 at a distance of 8.50 m from the source. What is the power of t...

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Q: You drive your car from home to school at an average speed of 60 kph East for 1 hr and then continue...

A:

Q: Suppose that A= 2i + j, B = i– 4j + k, and Ĉ =j+k. What is the magnitude of the vector 2Å –B + Č, A)...

A: Given  Vectors are given as, A →=2i^+j^ B→=i^-4j^+k^ C→=j^+k^ Required  We have to find magnitude of...

Q: Find (Ä x C) · (Č×B) given the following vectors: Ả = 21 + 5f B = -31 – j+ 2k Ĉ = 1+ 4j ... A 51 В N...

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Q: Vt = ??7 R = 4 Q %3D R1 = I = 05 A Vi= 6 V Il 3

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Q: A student hits a board with an initial speed of 10.0 m/s. The student's hand and the board are in co...

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Q: A 5.0-m long, 15-kg uniform ladder rests against a smooth vertical wall with the bottom of the ladde...

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Q: Each of the four jet engines on an Airbus A380 airliner develops a thrust (a forward force on the ai...

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Q: A person of mass M stands on a bathroom scale inside a Ferris wheel compartment. The Ferris wheel ha...

A: Given A person of mass M stands on a bathroom scale inside a Ferris wheel compartment. The Ferris wh...

Q: A stationary firecracker explodes into two pieces. The piece shot to the right has a mass of 0.07 kg...

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Q: A rock, released at rest from the top of a tower, hits the ground after 1.5 s. What is the speed of ...

A: When the rock is released from the top of the tower, its potential energy  is converted to kinetic e...

Q: In the following sketch, what is the net force acting on the box?

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Q: average speed of 60 kph East for 1 hr and then continue 80 kph North for 1.5 hrs. (a) What is your ...

A: Average speed.

Q: 3. In order to convert a tough split in bowling, it is necessary to strike the pin a glancing blow a...

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Q: The next three questions refer to the series of equipotential lines below. The electrical potential ...

A: Given The potential difference between each equipotential line is 10 V

Q: 2. A platinum bar increases in length by 0.1% when its temperature increases to 111°C. a. Draw the f...

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Q: Water flowing through a pipe suddenly comes to a section of pipe where the pipe diameter decreases t...

A:

Calorimetry

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