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Q: 5.11 A heating and air-conditioning engineer is designing a sys- tem to move 1000 m of air per hour…

A: GIVEN Duct Dimensions = 1 m x 20 cm Temperature  = 30 Degrees C Air volume = 1000 m3  Pressure = 100…

Q: Perform what is being asked in the problem below. Write your answer on a sheet of paper. Based from…

A: The special theory of relativity, or special relativity for short, is a scientific theory regarding…

Q: orce of gravity that would act on an

A: Given  Mass of astronaut, m=103 kg

Q: How many Joules of energy are needed to keep a 225 Watt ceiling fan (with lights) working for 1…

A: Power of ceiling fan with lights (P) = 225 W time (t) = 1 month = 30 days

Q: A 4.0-kilogram object follows a horizontal circular path with a radius of 0.5 meters and maintains a…

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Q: Illustrate the relationship of current, voltage and resistance using a graphic organizer or a comics…

A: the relationship of current, voltage and resistance is given by Ohm's law.

Q: An electron traveling with a velocity of 6.0 x 105 m/s along the y direction enters a uniform…

A: Given Velocity of electron = v = 6.0 × 105 m/s in y Strength of magnetic field = B = 0.60 T in x We…

Q: A solid block is attached to a spring scale. The reading on the scale when the block is completely…

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Q: Spider: A biologist is using a magnifying glass to look for insects in the jungle. On Day 22, after…

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Q: A dishonest factory owner runs a factory large of them are running, they produce a sound with a…

A: I this question we have to find whether the sound is lower than 90 dB or not. Please give positive…

Q: What is the a) direction ( INTO the board or OUT) and b) magnitude of a magnetic field that act upon…

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Q: Trial h2 Ah GPE %diff (J) m t KE (kg) (m) (m) (m) (m) (s) (m/s) (J) 1 1.0 0.05 0.56 0.20 0.36 0.021…

A: Kinetic energy of an object is related with the velocity of the object. Kinetic Energy is given by…

Q: The system shown in Figure consists of a light, inextensible cord, light, frictionless pulleys, and…

A: According to constraint relation the product of tension and acceleration remain constant. T.a…

Q: The speed of light c = 3 x 10^8 m/s. A proton is moving north at 0.75 c (75% the speed of light),…

A: speed of light (c) = 3×108 msspeed of proton = 0.75 c direction of motion of proton = northwards…

Q: a) How many Joules of energy are needed to keep a 225 Watt ceiling fan (with lights) working for 1…

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Q: The dimensions of a box are given as follows: length=27.3cm width=15.5 heigth=5.4cm  Calculate the…

A: The length of a box is,                                      l = 27.3 cm The width of the box is,…

Q: A bullet having mass of 0.002kg hits a stationary block of wood having a mass of 14kg. the…

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Q: Illustrate the relationship of current, voltage and electricity using a graphic organizer or a…

A: Current is dependent on voltage between 2 terminals. This is called Ohm's law. More is the potential…

Q: Two charged objects attract each other with a force F. What happens to the force between them if one…

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Q: QUESTION 10 A 5.33x103 kg car moves on a 66.87 m radius curve road. Assuming an unbanked curve, find…

A: Given data- mass m=5.33×103 kg radius R=66.87 m static coefficient of friction μs=0.420

Q: A hypothetical charge 42pC with mass 66fg has a speed of 59km/s and is ejected southward entering a…

A: Charge q = 42 pc = 42×1012 c r =d2=292=14.5 mm=66 fg = 66×10-15 g = 66×10-18 kg v= 59 km/s= 59

Q: 19. Which of the following would step-down the voltage that comes in to a transformer? Select all…

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Q: Find the value of force applied if work done is 240 J and displacement is 20 m.

A: Given Data : The work done is given as W = 240 J. The displacement is given as d = 20 m.

Q: The Old North Church: During the American Revolution, Paul Revere instructed a friend to signal him…

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Q: A 5 N B 15 N 45 N D 135 N O O O

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Q: The figure below shows a top view of a bar that can slide on two frictionless rails. The resistor is…

A: Given value--- resistance R = 5.60 ohm. magnetic field = 2.50 T . length = 1.20 m. velocity = 2.10…

Q: How many calories of heat are required by 80 grams of ice at -10°C to change to steam at 150 °C?…

A: M = 80gram

Q: Suppose a roadway is banked at an angle of θ = 11o. A m = 920-kg car rounds a circular roadway. The…

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Q: A square, single-turn wire loop { = 1.00 cm on a side is placed inside a solenoid that has a…

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Q: Two protons approach one another from very far away with an initial speed of 1100 m/s. a) Draw a…

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Q: Consider two different planetary systems in which the planets are moving on circular orbits. Both…

A: The radius of both orbits = 1 AU 1 AU= 1 Astronomical Unit         = 1.49×1011 m Let VA be the speed…

Q: A 90-turn square coil of side 20.0 cm rotates about a vertical axis at o = 1.74 x 10 rev/min as…

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Q: A vibrating motor vibrates a string at a constant 120 Hz. The string extends from the motor and…

A: In this question we have to find the mass of the object that will make the string vibrate. Please…

Q: 21.write 2-3 sentences explaining how quantum mechanics describes light and matter , how does the…

A: De Broglie postulated the wave nature of electrons and suggested that all matter has wave…

Q: QUESTION 39 As shown in the figure below, Blocks A and B, with masses of ma and mB respectively, sit…

A: For rotation equilibrium net torque should y equal to zero

Q: A 3600 kg cannon shoots a 38 kg cannonball out with an average acceleration of 145 m/s2 [E].…

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Q: The cat runs a constant speed of 6.4 m/s. If the cat runs a total of time 76.7 mins. How much…

A: Given: Speed (S)  = 6.4 m/s Time (t) = 76.7 min = 4602 second        .......(1 min = 60 s)

Q: Two bodies attract each other with a gravitational force of 10.0 newtons. What would be the force of…

A: According to question we need to find--- Two bodies attract each other with a gravitational force…

Q: A M =7 kg mass is moving at vo = 8 m/s along a frictionless, horizontal = 800 N/m that is attached…

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Q: If the ball was kicked from the ground gaining a velocity of 163 m/s at 17 degrees from the…

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Q: Find the value of force applied if work done is 240 J and displacement is 20 m.

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Q: A 70.0 kg astronaut is in a spacewalk within a 148 kg manned maneuvering unit. The astronaut is…

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Q: Referencing the table above and the information below, determine the resistance of the following: a)…

A: GIVEN (a ) Nichrome wire length 190 cm and diameter of 0.05 cm, specific resistivity = 150 x 10-8…

Q: Discuss the movements by addressing the internal and external forces that apply to the movement of…

A: There are four forces on a basketball as it flies through the air.

Q: If the power running through a power line is 10,000 watts and the voltage is 1000 volts then what is…

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Q: You pick up a block of wood with 3 x 10^27 protons, 3 x 10^27 neutrons and 3.1 x 10^27 electrons. a)…

A: We will add up the total mass and total charge to get the mass of body and charge on body…

Q: What is the size of 1 Angstrom? O1x 10^-10 cm 1 x 10^10 m O 1 x 10^10 cm 1 x 10^9 m O1x 10^-10 m

A: Given    Length = 1 Angstrom    1 Angstrom is 10-10 th part of one meter length  Therefore  1…

Q: a whale makes a sound in the Water with a frequency of 300 Hz sound moves at a speed of 1400 m/sin…

A: Given, Frequency in water, f = 300 Hz Speed of sound in water, V = 1400 m/s Speed of sound in air, v…

Q: A coin was tossed vertically upward gaining intial speed of 89 m/s. Find the y.

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Q: 4. A positive charge of 4.0 × 10–6 C exerts a force of repulsion of 7.2 N on a second charge 0.050 m…

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