What is the king energy at the bottom of the ramp? 50 J 30 J 20 J 80 J KE=30J PE=20J KE = ? PE=? KE=0 PE=?

Q: A 1000 lb anchor hangs below a 5000 lb mini research submarine exploring lake Erie. The weight…

A: Given:-  The weight of the anchor is wa= 1000 lb  The weight of the submarine is w= 5000 lb  The…

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A: in this question  we use relative velocity and tangential side of figure.

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Q: What is the change in gravitational potential energy for a 70 kg man walking up stairs from a height…

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Q: 1. R₁ B. 12 V R₂ Two resistors R₁ = 62 and R₂ = 12 2 are connected in parallel to each other and in…

A: We will first find equivalent resistance of the circuit than the voltage by ohms law V= IR.

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Q: A strong lightning bolt transfers an electric charge of about 22 C to Earth (or vice versa). How…

A: According to our policy, we have answered 1st question. Please repost the others as another…

Q: The Moon's craters are remnants of meteorite collisions. Suppose a fairly large asteroid that has at…

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Q: Because the Earth rotates about its axis, a point on the equator experiences a centripetal…

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Q: N NW W SW S SE E NE

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A: Given:- A rocket is fired upward from some initial distance above the ground. Its height (in feet),…

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Q: et's take the Earth's magnetic field BE = 1.70 x 10-4 T pointing north. A metal cable attached to a…

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Q: A 39.0 N force pulls horizontally on a m1 = 1.3 kg block that slides on a rough horizontal surface.…

A: Given, mass of block = 1.3 kg mass of second block = 2.7 kg coeffecient of kinetic friction = 0.24

Q: A man pushes on a piano of mass 150 kg so that it slides at a constant velocity of 12.0 cm/s down a…

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Q: A box slides down a rough plane inclined at an angle of 20° to the horizontal. The coefficient of…

A: Given: The angle of the inclination is 20o. The coefficient of the friction is 0.33.

Q: A spherical conductor has a radius of 8 mm and a charge of 20µC. Calculate the electric field and…

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Q: Lee watches TV for 4 hours per day. During that time, the TV consumes 200 watts per hour.…

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Q: A 40-loop square coil has a side length of 10.0 cm. It is placed in a magnetic field so that the…

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Q: 6. If a small child stands on a spring scale at home, it reads 100 N, which means his mass is 10 kg.…

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Q: 6. A parallel-plate capacitor with a plate separation of d has a capacitance C in the absence of…

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Q: Calculate the energy released, in calories, when 8 g of matter is converted to energy. Express your…

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Q: A small rubber sphere has a mass of 3.90 g and a charge of  −17.6 µC.  It levitates, motionless,…

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Q: A slit 1.00 mm wide is illuminated by light of wavelength 589 nm. We see a diffraction pattern on a…

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Q: A roast turkey is taken from an oven when its temperature has reached 185°F and is placed on a table…

A: A roast turkey is taken from an oven when its temperature has reached 185°F and is placed on a table…

Q: A 8.2-kg projectile is fired with a speed of + 260 m/s to the right. With what velocity does the…

A: Given:Cannon mass=940 kgM=940 kgProjectile mass=8.2 kgm=8.2 kgspeed of projectile=260 m/sv=260 m/s

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Q: Angle of String Tension in the String y-component x-component of Tension of Tension 21 4.9 degrees N…

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A: Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…

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Q: If the energy received by 2 m² area in 350 seconds is 4480 KJ. Find the value of Solar constant ?

A: Given data ,   Energy  =  E   Time  =   t    Area  =  A      To find ,     Solar constant

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Q: image behind a convex mirror (radius of curvature = 63 cm) is located 20 cm behind the mirror. a)…

A: Since you have asked multiple questions we will answer the first one for you. Kindly post the other…

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Q: Astronomical Datat Mass (kg) 1.99 × 1030 7.35 × 1022 3.30 × 1023 4.87 X 1024 5.97 X 1024 6.42 × 1023…

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A: Given:-  The specific heat of a substance is the amount of energy needed to raise 1 g of a material…

Q: How many electrons constitute a current of 1 Ampere in one second?

A: Given: The electric current is 1 A. The time interval is 1 s.

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A: Given:mass=1.2 kg,m=1.2 kgspring constant of spring=3400 N/m,k=3400 N/mDisplacment of mass=7.2 cmx…

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Q: A 0.150-kg baseball traveling in a horizontal direction with a speed of 19.0 m/s hits a bat and is…

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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.