Given problem: Determine the smallest horizontal force ‘P’ required to lift the 246.68-kg crate. The coefficient of static friction at all contacting surfaces is ?? = 0.3. Neglect the mass of the wedge. (NOTE! USE g = 9.81 m/s2 as necessary

Q: A capacitor of capacitance C and resistors of resistance Rare connected in series as shown in the…

A: Given that- A capacitor of capicatance c and register of resistance R connected in series.  The…

Q: A spherical steel ball bearing has a diameter of 2.540 cm at 26.00°C. (Assume the coefficient of…

A: Diameter, d = 2.540cm Initial temperature,Ti =26c Alpha, coefficient of linear expansion = 1.1*105C…

Q: MY NOTE A uniform solid ball rolls smoothly along a floor, then up a ramp inclined at 16.0°. It…

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Q: 3. A potato with a temperature of 18° is put in a 250° oven and heats up according to the…

A: This is a case of linear separable differential equation which can be solved as below

Q: . Daniel's eyes are 1.82 m from the floor when he is wearing his dress shoes, and the top of his…

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Q: An object is placed 15 cm from a concave mirror of focal length 8.0 cm. The object is 5.0 cm tall.…

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Q: A 60-kg woman runs up a flight of stairs having a rise of 4.0 m in a time of 4.2 s. What average…

A: Given data:  Mass (m) = 60 kg Height (h) = 4.0 m Time (t) = 4.2 s Required: The average power (P)

Q: An echo is sound that returns to you after being reflected from a distant surface (e.g., the side of…

A: Given: An echo is sound that returns to you after being reflected from a distant surface (e.g., the…

Q: Part A A toroidal solenoid has 560 turns, cross-sectional area 7.00 cm? , and mean radius 4.50 cm…

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Q: 18. In Figure 23.11, a coin is right up against the far edge of the mug. In picture (a) the coin is…

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Q: P7. A firecracker explodes and creates 105 dB sound at a distance of 3.0 m. (a) What sound power is…

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Q: Which of the pictures properly shows the potential energy of the system of two negative charges as a…

A: To choose grapgh that properly shows the potential energy of the system of two negative charges as a…

Q: e mass is 90.0 kg is performing weight-lifting exercises. Starting from the rest position, he lifts,…

A: GivenMass of Athlete, M=90 kgWeight of barbell, W=490 NAthlete lift barbell a distance, s=0.6…

Q: Determine the torque applied to a rod that is 50 cm long. The 10 N force is applied to just the…

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Q: You are pushing a 40 kg sled across some snow with a coefficient of friction of 0.2. How much force…

A: Answer :  The force required to push must be 78.4N .

Q: A UFO is traveling toward a spaceship at 0.74c. A probe leaves the spaceship at a speed of 0.29c…

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Q: 30a. Ana place a 2.5-cm-tall figurine is 8.0 cm to the left of a convex lens of 6.0-cm focal length.…

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Q: What is the charge of an electric field 0.40 m away from a source charge of 3.00 X 10^-5C?

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Q: What are Hugyen's postulates

A: Huygen's postulates are : 1. Each point of the medium situated on wavefront acts as a primary source…

Q: Two charges, qı =-14.0 mC and q2 =8.4 mC are separated by distance r =6.6 m. What is the change in…

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Q: [22] A vector is given by i -2i+3j. Find (a) the magnitude of i and (b) the angle that i makes with…

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Q: Which of the following is true about the eye condition known as hyperopia? Select one: It means the…

A: Hyperopia or farsightedness is a common vision condition in which one can see distant objects…

Q: 1. How is magnetism similar to electricity?

A: Electricity and magnetism are essentially two aspects of the same thing, because a changing electric…

Q: Evaluate x ds, where C is a. the straight line segment x = t, y = 7. from (0,0) to (16,4) b. the…

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Q: An ambulance moving at 42 m/s sounds its siren whose frequency is 413 Hz. A car is moving in the…

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Q: [20] A particle moves from a point in the xy plane having Cartesian coordinates (-3.00, -5.00) m to…

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Q: A transverse wave is traveling on a string. The displacement y of a particle from its equilibrium…

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Q: A +2.0 C charge is moved from location 1 to location 2, as shown in the picture below. V=5V V=3V E…

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Q: 56. A concave mirror has a radius of curvature of 5.0 m. An object, initially 2.0 m in front of the…

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Q: A sled is tied to a tree on a frictionless, snow-covered hill, as shown in the second figure in the…

A: We will solve the problem by making a free body diagram and equalizing the forces in vertical and…

Q: Starship Enterprise in "Star Trek" has a length of 288.646 m. What is it's relativistic length when…

A: Length of starship, L0 = 288.646 m  Speed of starship, v = 0.7c     c = speed of light = 3.0 x 108…

Q: compare the total pressure at the bottom of a swimming pool of depth 3.00m if it is filled with…

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Q: The force of gravity is twice as great on a 2.0-kg rock as on a 1.0-kg rock. Why does the 2.0-kg…

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Q: The pressure in a constant-volume gas thermometer is 0.700 atm at 100°C and 0.512 atm at 0°C. (a)…

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Q: A cube 5.0 cm on each side is made of a metal alloy. After you drill a cylindrical hole of 2.0 cm in…

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Q: Samantha pushes a 50-N crate up a ramp

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Q: How many electrons were transferred if the total charge of a process is 938.3 C?

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Q: Problem 2. A pipe has length 1.80 m is open at one end and closed at the other end. What is the…

A: Given The given pipe is open and one end and closed at other. Length of the pipe is l=1.80 m   We…

Q: A point particle of mass 3.33 kg is moving with an initial velocity of 2.06 m/s It collides and…

A: mass of first particle = m1= 3.33 kg initial velocity of first particle = V1i= 2.06 m/s mass of…

Q: In order to get a uniform cylindrical satellite spinning at the correct rate, engineers fire four…

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Q: Four moles of a helium gas are at a temperature of 430 K. Calculate the average kinetic energy per…

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Q: Determine velocity Mass=30 kg K.E=1200 J

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Q: 2. A car starts from rest and reaches a speed of 27.0 m/s in 7.4 s. What is its rate of

A: Answer is 3.65m/s

Q: You push a supermarket cart 23.5 m at constant speed on level ground, against a 32.3 N frictional…

A: 35.776N force exert on the cart in N.

Q: Two point charges of -6.3 μC were placed 15 mm from one another. What is the magnitude and direction…

A: We can solve the question using columb law which states that the force between two charges is…

Q: Which of the following statements is not true regarding the arrangement of resistors shown in the…

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Q: 1. A stone is dropped from the top of a cliff. It is seen to hit the ground below after 4.5 seconds.…

A: Given Stone thrown from the cliff and it hit the ground after 4.5 sec To find out Height of the…

Q: 25.0 0 www- 15.0 0 ww 25.0 0 30.00 ww ww 10.00 20.0 0 20.0 0 Fwwww 50.0 0 :40.00 50.0 0

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Q: 1.00 kg of ice at -24.0°C is placed in contact with a 1.00 kg block of a metal at 5.00°C. They come…

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Q: ,Consider the circuit shown below. Find V: , l2 -and l3. 4- 2 A 13 R 12 ? R, = 6 ! V2-21 V R3 = 52

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!