6.6. A motor boat moves at a steady speed of 4 ms acting on it is 4000 N. Calculate the power of its engine. : Water-resistance

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Q: 3. Rotondang pataas, A small car with mass 1810 [kg] travels at constant speed on the inside B of at...

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Q: 1. A proton is moving perpendicular to a magnetic field at 3.0 x 10 m/s and experiences a magnetic f...

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Q: Solve by showing the complete solution and illustrate too. A ball is thrown horizontally from the t...

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Q: lowering two boxes, one on top of the other, down a ramp by pulling on a ropeparallel to the surface...

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A: Given: M=485 kg r1=12.0 m r2=16.8 m v=25.0 m/s

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Q: A projectile is launched at an angle 30° of and lands 20 s later at the same height as it was launch...

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Q: An air-filled capacitor is made up of two parallel plates of area 7.60 cm2, separated by a distance ...

A: Given value--- Area = 7.6 cm2. separation = 1.8 mm. potential = 20 V. We have to find--- the elec...

Q: A 4 B The sum of vectors A and B is

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Q: Detemine the force between two charges both have +7µC and are 9mm apart. 2. Derive the formula for ...

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Q: Suppose a 33 mH inductor has a reactance of 85 Ω. What would the frequency be in Hz?

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Q: Practice Exercise 7.5 A ray of light passing from water to air is deviated 10° from its original dir...

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A: Where will the image of the lens form closest to

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A: Potential due to point charge V = kq/r  

Q: An AC circuit has an rms current of 8.9 A, and an rms EMF of 3.1 V. What is the amount of average po...

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Q: Three electrolytic capacitors are connected in parallel. C1 C2 C3 4µF 3µF 6μF Solve for: CT, Qr, Ut,...

A: The value of voltage is not given.So we can find only the CT

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Q: Potential energy is said to be "stored" energy. True False

A: True / False : "Potential energy is said to be stored energy"  

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Q: Suppose that an object is dropped from a height of  h meters and hits the ground with a velocity of...

A: an object is dropped from a height, h = 25.8 m

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Q: How long does it take for the EM wave to reach me if I am standing 15m from the source?

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Q: Refer to Figure 2.3 a. Describe how the horizontal velocity of the projectile vx varies over time? ...

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Q: A solenoid is made of 500 turns of wire, length = 12 cm, radius = 3 cm, and carries a current of 15 ...

A: Given  No of turns, N = 500  Length ,L = 12 cm  Radius , R = 3 cm  Current ,I = 15 Amp   

Q: An 10*B cm object is placed at 22 cm to the right of a convex lens perpendicular to its main axis. T...

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Q: If the distance loudspeaker that is emitting this sound emits sound in all directions. What is the o...

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Q: Care tate the errk required dehe elone e toa cor of 1500 kg moring at a veloily of 6 -In

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Q: . A laborer pushes a cart weighing 1000 N along a level road with a horizontal force of 100 N. Which...

A: Given: The weight of the object is 1000 N. The applied force is 100 N in the horizontal direction.  

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Q: Light is travelling through a medium whose index of refraction is unknown. It hits a medium whose in...

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Q: A generator has a coil with 1260 turns that are each 0.020 m in diameter. The coil rotates at 3600 r...

A: A generator has a coil with 1260 turns that are each 0.020 m in diameter. The coil rotates at 3600 r...

Q: R2 100 ohms 12V 1k ohm $470 ohms 330 ohms Figure 4.7 Table 4.2 Analyze the experiment circuits and c...

A: for calculation of energy we need information about time for which this system runs. energy=power X ...

Q: A resistance of 25 Q is connected to a 12 V battery. Calculate the heat energy in joules generated p...

A: Given data :                     Resistance   =  R                      Voltage    =   V            ...

Q: It is easy to create and destroy energy. True False

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Q: Leopold accelerates a 3 kg ball 4.0 m/  The vertical acceleration of the ball is zero. The force of ...

A: Given:m=3kgax=4.0 m/s2ay=g=9.8 m/s2

Q: Assuming that momentum is conserved, determine the magnitude and direction of “v1f”: Determine the ...

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Q: A copper wire has a length of 5.0 m and a diameter of 3.0 mm. Under what load (Force) will its lengt...

A: length of copper wire (L) = 5 m diameter of wire = 3 mmincrease in length = 0.3 mm = 0.0003 m   

Q: Diameter of the objective lens of a telescope is 250 cm. For light of wavelength 600 nm coming from ...

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Q: The position of a particle for t > 0 is given by r⃗ (t) = 43.0t2i + 7.0 t3j + 5.0 t-2k̂ m (a) What i...

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Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.