91 F← a с b 9₂

Q: If the coefficient of kinetic friction between the box and elevator floor is = 0.35, what magnitude…

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Q: A rock, which weighs 1400 N in air, has an apparent weight of 900 N when submerged in fresh water…

A: Given Weight of rock is W=1400 N apparent weight is Wa=900 N Find the volume of the rock?

Q: InsulatingSphere. A uniformly charged insulating sphere with radius R = 8a has a total charge of…

A: This option is correct because of gauss law as follows.

Q: A projectile is launched from level ground. When it lands, its direction of motion has rotated…

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Q: factory worker pushes a 30.0 kg crate a distance of 3.7 m along a level floor at constant velocity…

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Q: A soccer ball with mass 0.470 kg is initially moving with speed 2.00 m/s. A soccer player kicks the…

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Q: Calculate the kinetic energy of a Boeing 767 that is 350,000lbm and travels at 400mph.

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Q: Calculate the magnitude and direction for the electric field at the center of the square shown to…

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Q: You push your physics book 2.40 m along a horizontal tabletop with a horizontal push of 3.00 N while…

A: Given:  Force applied on the book (F) = 3.00 N             Force of friction (f) = 0.700 N…

Q: te a distance of 8.0 m along a level floor at constant velocity by pushing horizontally on it. The…

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Q: Context On this beautiful winter day, you brought your little cousin to sled. She loved her first…

A: Given: The mass of the cousin is m = 32 kg The slope angle of the hill with respect to the…

Q: 129. A control system has the following transfer function 7(s)=(-1) (+1) s(8-2)(8+4) The initial…

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Q: Some students riding a bus decide it would be fun to test their physics knowledge to pass the time.…

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Q: he Voltage of a laptop charger is 15.5 V; it draws a current Of 3.41 A. How much power can it…

A: Given Voltage of a laptop charger is V=15.5V Current is I=3.41 A Find the power delivered to the…

Q: A Tiger Moth sitting on a tree emits ultrasound of frequency 20,561 Hz. This frequency is too high…

A: Given,  f = 20561 Hz f' = 20 kHz = 20000 Hz Now, from doppler effect, we have the resulting…

Q: What are the conditions for (or assumptions of) free fall motion in both 1-D and 2-D along with…

A: The motion of a body under gravity alone is called free fall .

Q: A baseball has a mass of 0.145 kg. In batting practice a batter hits a ball that is sitting at rest…

A: Part-I: Given: The mass of the baseball is 0.145 kg. The initial speed of the ball is 0 m/s. The…

Q: What are the similarities and differences in average speed and velocity and how are these related to…

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Q: Physics student is driving the string at the end at an angular frequency of 40.3 Hz. If the…

A: Given Data, Angular frequency ω=40.3 Hz Wavelength λ=5 m

Q: Use Newton's First Law of Motion and the concept of inertia to explain what happens to a person in a…

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Q: The threshold frequency for aluminum is 9.86 x 1014 Hz.  Calculate the longest wavelength of light…

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Q: Two streams merge to form a river. One stream has a width of 8.2 m, depth of 3.3 m, and current…

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Q: The higher frequency limit for human hearing is 23.9  kHz. If the air temperature is 12.2 °C, the…

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Q: A 2,443kg truck drives along a circular round-a-bout with a radius of 37 m at a constant speed of 14…

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Q: Which of the following statement is correct? O v²=v² - 2a(x-x) X Х0 O v² =v² + 2a(x-x₂) O v²=v² +2a…

A: Given data:  Initial velocity = vx0 Final velocity = vx Initial position = x0 Final position = x…

Q: A 1.5-kg block is attached to a spring (k = 12.5 N/m). The damped frequency is equal to 0.998…

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Q: Using the graphical method, find the sum of the vectors in each number. Draw your vectors on a…

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Q: 2. The velocity of a particle moving in a straight line is decreasing at the rate of 3 m/s per meter…

A: Note: As per the guidelines, we can only answer first question of multiple question. Sorry for the…

Q: 4-34. Suppose that, in a Franck-Hertz experiment, electrons of energy up to 13.0 eV can be produced…

A: a) When V is the excitation potential in a Frank-hertz experiment, then Excitation energy of…

Q: The 370-kg uniform I-beam supports the load shown. Determine the reactions at the supports. +2.4 m…

A: 2 weights are acting vertically downwards. They are the weight of the beam and the weight hanging on…

Q: C-130 pilot desires to fly a low-level navigation mission at 4 n miles/ min (240 kn ground speed).…

A: Given Data: Ground speed Vg=240 kn Wind speed Vw=20 kn Pressure Altitude A=10000 ft Temperature…

Q: A gas under a constant pressure of 1.50x105 Pa and with an initial volume of 9.00x10-2 m³ is cooled…

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Q: A water pipe having a 2.35 cm inside diameter carries water into the basement of a house at a speed…

A: Given data Diameter of water pipe, D1=2.5×10-2 m speed of water in basement, v1=0.871 m/s Pressure…

Q: Question 4 Which of the following is true? oîtî=i Oi-k=0 OÎ-î=1 Oi-i-j

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Q: A luggage handler pulls a 20.0 kg suitcase up a ramp inclined at 33.0° above the horizontal by a…

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Q: 1 A child rides on a pony walking with constant velocity. The boy leans over to one side, and a…

A: Path of ice-cream as seen by the boy on the pony: Straight line velocity or Straight downwards.…

Q: QUESTION 8 A 1.5-kg block is attached to a spring (k = 12.5 N/m). The damped frequency is equal to…

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Q: A piece of glass has an index of refraction of 1.61. What is the speed of light through the glass in…

A: Given data:  Index of refraction (n) = 1.61 Required: Speed of light through the glass

Q: Water (density = 1.0 x 103 kg/m³) flows through a horizontal tapered pipe. At the wide end its speed…

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Q: passes through two slits and forms an interference pattern on a screen 8.75 Im away. The distance…

A: The correct option is The explanation s are as follows

Q: 4. Easy In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a…

A: Given data:  Initial velocity (u) = 0 m/s Final velocity (v) = 45 m/s Time interval (Δt) = 7.0 s…

Q: A rock with a mass of 2.80 kg is moving with velocity (6.201 1.40ĵ) m/s. (HINT: v² = v.v.) (a) What…

A: mass of rock = 2.80 kg velocity vector = (6.20i^ - 1.40j^) m/s

Q: The graph below shows the number of grams of a radioactive element t days after it was first…

A: Given:  Graph of number of radioactive element in grams with respect to time in days. We have to…

Q: A factory worker pushes a 24.0 kg crate a distance of 8.0 m along a level floor at constant velocity…

A: Given Mass of crate = 24 kg It is moved by a distance = 8.0 m during this movement velocity is…

Q: After a fall, a 97 kg rock climber finds himself dangling from the end of a rope that had been 16 m…

A: Given data-  Mass of rck climber m=97 kg  Rope length L=16 m  Diameter D=9.4 mm, radius r=4.7×10-3 m…

Q: 1) An ultracentrifuge accelerates from rest to 100,000 rpm in 2.00 min. (a)What is the average…

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Q: Air modeled as an ideal gas enters a well-insulated diffuser operating at steady state at 270 K with…

A: Given, An ideal gas enters a well-insulated diffuser operating at steady state at 270 K with a…

Q: Hello, make sure to graph it and name which method you used. Please show all your work very clearly.…

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Q: Starting at a temperature of 320 K, six moles of a monatomic ideal gas are compressed adiabatically…

A: For monoatomic gas, Cv = (3/2)R No. of moles, n = 6

Q: A boat moves through the water with two forces acting on it. One is a 2.00 × 10³-N forward push by…

A: Given data:  Two forces acting on boat F1 = 2.00×103 N F2 = -1.80×103 N Mass (m) = 1.00×103 kg Time…