Determine the momentum of a car having mass 100 kg moving with a velocity 12 m/s

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A: The magnitude of the vector sum is   A→+B→=9.6 m/s

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A: Given Coefficient of performance of a refrigerator , COP=4Refrigerator absorb heat from cold…

Q: 61. A host pours the remnants of several bottles of wine into a jug after a party. The host then…

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Q: o take off, a fighter jet accelerates at an average velocity of 9.45 m/s 2 and requires 5.9 seconds.…

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Q: 18) A ball has a mass of 3 kg. It is connected to a spring that is displaced x = 0.5m away from its…

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Q: What will be the unknown resistor value in ohms R x if R 1=250 ohms?

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Q: Virtual image formed by a spherical mirror must be __________.     on the same side of the mirror…

A: A. Option b

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Q: ENGINEERING 0.40-kg not Iron horseshoe, just forge (see the accompanying figure), is dropped into…

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A: Step1: Overview   The white dwarf that remains when the sun dies will be mostly made of carbon .

Q: A spherical Gaussian surrounds a point charge q. Describe what happens to the total flux through a…

A: the final charge is quadrupled of initial means four times of initial

Q: f life of a radioactive element is 29.2 vears, how many years will it take for a sample to decay to…

A: Givemhalf life of a radioactive element, t1/2= 29.2 vears

Q: Which of the following is a strong piece of evidence for the curvature of spacetime?

A: ANS: a. gravitational wave detections made by LIGO.

Q: A bag of wheat weight 430 kg. To what height should it be raised so that potential energy is 7790J?…

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Q: The electric potential on the axis of a uniform ring of charge density is a) Derive an…

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Q: Which of the following best describes the temperature coefficient of resistance of a certain…

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Q: In a given fluid, positive ions, each with 2 excess protons, move to the right at a steady rate of…

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Q: A proton moving at 3.7×104 m/s horizontally enters a region where a magnetic field is directed…

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Q: Which of the following combinations of 4 Q resistors would dissipate 24 W when connected to a 12 V…

A: Given:- Resistance of each resistor is R=4Ω Voltage of the battery is V=12 V Total power dissipated…

Q: A cannon of mass 796kg fires a ball of mass 41.3 kg in the positive direction of an x axis, at…

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Q: To take off, a fighter jet accelerates at an average velocity of 10.43 m/s 2 and requires 6.9…

A: Givens(s): Initially, it was at rest, therefore, u=0 Acceleration, a=10.43 m/s2. Time, t=6.9 s.…

Q: Based on the uniform field shown below, which of the following movements requires more amount of…

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A: Given:-  The Horizontal and vertical position of the stone is given as x(t) =5+8ty(t) = 3+12t-8t2…

Q: 2 m F = 400 N 4 m TCA 4 m

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Q: A light source generates a planar electromagnetic that travels in air with speed c. The intensity Is…

A: Intensity of electromagnetic wave (I) = 5.7 Wm2

Q: What does the adiabatic process mean that it is used in refrigerators? The volume is constant. The…

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Q: 9) An object of mass 10 kg is pulled up a rough (friction) inclined plane by a rope. The inclined…

A: mass of object (m) = 10 kg Tension (T) in the rope = 100 N θ = 25oacceleration (a) = 3 ms2

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Q: A pitcher throws a baseball of mass m = 0.150 kg with a velocity of 43.7 m/s. The momentum of the…

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Q: Initially, a ball has an angular velocity of 5.0 rad/s counterclockwise. Some time later, after…

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Q: QU6 In a series circuit, a capacitor C is being charged through a resistor R using a cell of emf E…

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Q: 2. (a) What is meant by “grounding” a charged body? (b) Explain how grounding a positively charged…

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Q: ++ + + + + + d- What can be inferred from the electric potential as we move a positive charge from…

A: Here option A is correct.

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