53. The electric motor of a model train accelerates the train from rest to 0.620 m/s in 21.0 ms. The total mass of the train is 875 g. Find the average power delivered to the train during its acceleration.
Q: 9. A container made of a metal has a mass of 3.5 kg and contains 19 kg of water. A 0.050 kg cube of…
A: The temperature at which ice melts is called the melting point. The melting point of ice is 0 °C.
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Q: Problem 12–15 A particle is moving along a straight line such that when it is at the origin it has a…
A: We know, acceleration a=dvdt ; or, dv=a dt and the velocity, v=dxdt ; or, dx=v dt where x is the…
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A: Given: Object 1 has a mass m1 = 13.7 kg with initial velocity of u1 = 18.5 m/s i. Object 2 has a…
Q: 5. Constant during the entire trajectory; velocity associated with the object's x direction A.…
A: during the entire trajectory , the acceleration in vertical direction = g = - 9.8 m/s2(…
Q: what is the power used in this exercise?
A:
Q: You are testing a prototype loudspeaker for your Audio division, which may possibly be used in…
A: Dimensions of different quantities involved are u = LT-1 p = ML-1T-2 r = ML-3 g = LT-2 Now assuming…
Q: A projectile is fired at an upward angle of 45.6° from the top of a 342m cliff with a speed of…
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Q: EM Magnetic 106 2. Shown at right is a cross-sectional view of two long straight wires that are…
A: Given:
Q: Materials that can generate electricity due to mechanical stress are called materials.
A: When a material is under mechanical stress, the positive and negative shifts towards the center of…
Q: y 9₁ 0.10 m 93 -0.30 m- + 92 unit X In the diagram above, q₁ = 147 nC, q2 = 190 nC, and q3 = 117 nC.…
A:
Q: 11) A 45 kg. girl is sitting on a seesaw 0.6 m from the other side, should a 60 kg. boy sit so that…
A:
Q: 11. How much heat is absorbed as 7.56 g of ice is heated from -30.0°C to its normal melting point?
A: GivenMass = 7.56g = 7.56×10-3kgInitial temperature = -30°CFinal temperature = 0°Cmelting point of…
Q: D. it is constant in all 3. Which of the following will be observed in an object with relativistic…
A: When an object is moving with some relativistic speed v. If we measure its length and time in its…
Q: Don't use chat gpt It Chatgpt means downvote
A: Step 1:Part (a):Step 2:Part (b):Step 3:Part (c)Step 4:Part (d):Step 5:Part (e)
Q: Which is not a unit of power? a.joule per second b.kilowatt-hour c.Newton-meter per second…
A:
Q: Power is the rate of change in energy, regardless of whether the change is due to transformation,…
A: The rate of change in energy is called power. Energy cannot be destroyed, it can be transferred or…
Q: 1. You want to travel into the future. If your space ship can go at a speed of 2.00 x 10² m/s, how…
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Q: An electric field with a magnitude of 3.50 kN/C is applied along the x-axis. Calculate the electric…
A: Every charge disturbs space in its vicinity creating what we call the electric field. This electric…
Q: 54. ★★ Two coaxial air-filled solenoids, A and B, of equal length (€ = 20.0 cm) and radii R₁ = 2.50…
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Q: describe how power is being exerted over on
A: Power gives us information regarding how fast work is done upon an object. Powerful people or…
Q: Don't use chat gpt It Chatgpt means downvote
A:
Q: Question 13
A:
Q: Find the currents flowing in the circuit in the figure below. (Assume the resistances are R, = 8 N,…
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Q: In a longitudinal wave, what is the area where molecules are "bunched" together called? What is a…
A: 5) in a longitudinal wave the point at which molecules are bunched to geteher is called…
Q: Power refers to how fast work is done upon an object.
A: Power for a force is defined as Rate of doing work P=W/t
Q: 12. A water heater pitcher is used to heat 150 g of water for a cup of tea. The heater is labeled…
A: Given data: The heater power is P=500 W and It heats m=150 g=0.15 kg of water for a cup of tea. The…
Q: 94. Which of the following is a unit of energy?* O a. W O b. kg m/s O c.J O d. m/s
A: Energy : Energy is defined as the capacity of doing work.
Q: Which of the following is not a unit of power? Watt ft · lb/s J/s kW · h
A: The Power of a system is the capacity to do work by the system in unit time. Mathematically, it is…
Q: Which one of the following is NOT the unit of power? Watts Íb/s Nm/s O J/s
A: Power is rate of change of energy.
Q: What is the speed of electricity?
A: The word electricity generally refers to the movement of free electron within conductor in presence…
Q: A 5.0-m-diameter merry-go-round is turning with a 4.2 s period. What is the speed of a child on the…
A: Given data: Diameter (d) = 5.0 m Period (T) = 4.2 s Required: Linear speed of a child on the rim
Q: 124. The diagram below represents a 10.-newton block sliding at constant speed down a plane that…
A: Since object is moving with constant speed hence acceleration acting on it is zero so net force…
Q: electric field
A: Given: Mass of particle is m=2.5 g Charge on particle is q=-13 μC The particle is placed in uniform…
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Q: In 10 20) A 15 Newton force is applied to a mass M that is adjacent to a wall, as shown. If the mass…
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Q: Help #5
A:
Q: Question 20
A: (20) Consider the mass of the book be m, the spring constant be k, the compression in the spring x,…
Q: 4 - Which of the following is the electric current unit? O A) Ampere / meter O B) Volt OC) Coulomb…
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Q: - Find the Flnx throngh the top, lept and side of a cube of side D'Gm When placed in a hoimtal…
A: Given: The side of the cube is 0.5 m. The horizontal electric field is 8.0 N/C. To…
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