If the pressure in the hallway would suddenly drop by 15%, and the room temperature remained at atmospheric pressure, what would be the amount of net force on the door, assuming the door has dimensions 3ft x 7ft and that Patm =14.7 psi.

Q: waitress shoves a ketchup bottle with mass 0.45 kg to her right along a smooth, level lunch counter.…

A: mass of bottle (m) = 0.45 kg initial velocity (u) = 2.8 msfinal velocity (v) = 0 msdistance moved…

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Q: Angular acceleration is expressed in units of  A) Radians per second squared B) Arcs per second…

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Q: Calculate the electric field 4.9 x 10-8 m away from an object with a charge of 3.5 x 10-2 C

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Q: A bullet of mass m = 7.50 g is fired horizontally with a speed v = 549 m/s into a bob of a ballistic…

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Q: Spaceships A and B are moving in the same direction along the same straight line. Spaceship A is…

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Q: Which of the graphs below describes the energy of the pendulum at the highest point of its arc? A B…

A: Given data:  The pendulum is at highest point of its arc Required: The kinetic energy and potential…

Q: 8 An apple crate with a mass of 12.0 kg accelerates along a frictionless surface as the crate is…

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Q: How efficient is a heat engine that produces 2,200 J while burning enough gasoline to produce 5,300…

A: Data given in the question are, Heat produced by engine, Q2=2200 J Heat produced due the gasoline…

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Q: A -19.2 C charge is in a 30531 N/C electric field. What is the magnitude of the force (in N) on this…

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Q: A heat engine (Carnot cycle ) has its intake and exhaust temperature of 157oC and 100oC,…

A: Given data :- Intake temperature T1 = 157° C = 430 K Exhaust temperature T2 = 100° C = 373 K

Q: You apply a flame to 1 L of water for a certain time and its temperature rises by 2°C. If you apply…

A: Q = m C dt  Q is the heat applied  m is the mass / quantity of the material C is the specific heat…

Q: A truck is moving at 35 meters/second. The car horn on the truck emits a 235 Hz sound. The speed of…

A: Given Speed of the truck is vs=35 m/s Speed of sound is given ass v=343 m/s Frequency emitted by the…

Q: n hose having with an internal diameter of 1.7 cm is connected to a (stationary) lawn sprinkler that…

A: Diameter of hose = 1.7 cm Number of holes = 23

Q: Which of the following correctly ranks the categories of electromagnetic radiation in order of…

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Q: (a) Show that the kinetic energy K and the momentum magnitude p of a particle with mass m are…

A: As per the answering guidelines we will solve only the first problem. Please upload the other…

Q: Before After m M Nail (pivot) M (a) (b) Figure 1. A stick nailed to a table is hit by a disk. The…

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Q: 4. An 85 kg running back moving at 7.0 m/s makes a perfectly inelastic collision with a 105 kg…

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Q: . A melon is projected into the air with 100 J of kinetic energy in the presence of air resistance.…

A: Given  Initial kinetic energy of melon = 100 J  When resistance was not present then when it returns…

Q: If a spaceship of proper length 40 m is measured to have a length 30 m, how fast is it moving?

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Q: Calculate the electric field strenght 0.25m away from a balloon that is holding +3.5 x 10-5 C of…

A: Given data:  Distance (r) = 0.25 m Charge (q) = +3.5×10-5 C Required: The electric field (E)

Q: 6. Two concentric circular loops of wire lie on a table top with one inside the other as shown…

A: Introduction :- Here two coils one inside the other have been shown. The current in outer loop is…

Q: A 355-g object is attached to a spring and executes simple harmonic motion with a period of 0.260 s.…

A: a) Write the expression for the energy and substitute the required values to determine the maximum…

Q: A proton traveling at 28.0° with respect to the direction of a magnetic field of strength 2.10 mT…

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Q: |In a photoelectric effect experiment, the frequency of photons bombarding the surface is increased…

A: Given,  Threshold frequency (vth)= 6×1014 Hz

Q: Calculate the buoyant force on a fully submerged 0.62 m3 solid block of brass. How does this compare…

A: Determine the buoyant force on the fully submerged solid block of brass.

Q: If an electron is accelerated from rest through a potential difference of 100 V, what is its de…

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Q: nstruct ray diagrams for each marked dot to show the location and appearance of the image. That’s…

A: We can see the solution of this problem using ray diagram

Q: A 1.5 kg block is released from rest touching a spring with spring constant of 200 J/m² and an…

A: Given Data: The mass of the block is: m=1.5 kg The spring constant is: k=200 J/m2 The initial…

Q: If an object that has a volume of 4 cubic meters is inserted in a liquid, how much liquid would it…

A: Given: The volume of the object is 4 m3.

Q: See the diagram below. The cart, with a mass of 1Kg, rolls downward on a frictionless surface. What…

A: Given Mass of the cart is m=1 kg Speed of the cart at the bottom of the run is v=10 m/s     We have…

Q: Problem 2: An object is placed in front of a thin converging lens, as shown. e focal-point locations…

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Q: What three variables might determine the period of a pendulum? a) c) If the mass of a simple…

A: A pendulum is a body suspended from a fixed point so that it can swing back and forth under the…

Q: A 1800-kg truck travels at 85kph around a banked curve with a radius of 250 m. What should be the…

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Q: The charges and coordinates of two charged particles held fixed in an xy plane are q1 = 2.25 µC, x1…

A: Given data:-  The two charge particles q1 = 2.25μC and the coordinate of q1 is  x1 = 3.32 cm and y1…

Q: the angle between the electric flux through and the plane of reference is 45°. calculate the flux…

A: Given : The angle between electric flux and the plane of reference, θ = 45o

Q: A 3kg mass slides down a smooth ramp from a height of 4m and begins sliding across the floor. The…

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Q: Question Completion Status: QUESTION 4 At the instant switch S is dosed the current in the circuit…

A: At t = 0 , switch is closed . Initially when capacitor is uncharged , it behaves as a wire and allow…

Q: What is the binding energy of 12C? The mass of an atom of 12C is 12 u (exactly), of an atom of 'H is…

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Q: Part A Exactly one turn of a flexible rope with mass m is wrapped around a uniform cylinder with…

A: Given data: Mass for cylinder = M Radius for cylinder = R Initial angular velocity for cylinder = ωo…

Q: The bones of the forearm (radius and ulna) are hinged to the humerus at the elbow. The biceps muscle…

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Q: Part A An electric turmtable 0.780 m in diameter is rotating about a fixed axis with an initial…

A: As per the answering guidelines we will solve first three parts. Please upload rest of the Parts…

Q: please answer and provide an explanation. thank you! A cup of water is scooped up from a swimming…

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Q: A hoop of radius 0.50m and a mass of 0.20 kg is relased from rest and allowed to roll down an…

A: the radius of the hoop is r = 0.5 m mass of the hoop is m = 0.2 kg verticle distance covered by the…

Q: Match the answers with questions for image distance - s'.…

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Q: A boll rounds a 36 m radius curve at 6 m/s. The magnitude of it's acceleration in m/s?

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Q: Suppose 18 kg of 90.5° C water is placed in contact with 18 kg of 8.5° C water. What increase in…

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Q: 1. Which of the following statements is/are TRUE? a. The coefficient of restitution can take up a…

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Q: Two cars left the Engineering Building last April 11, 2021 for Bataan to attend the PICE Convention.…

A: velocity of each car = 30 msacceleration of Gopez's car = -3ms2initial distance between two cars (D)…