A 1,350 kg package is dropped from a plane from a height of 760 meters. What is its potential energy right before it storts to fall?

Q: A rocket is launched at an angle of 55.0° above the horizontal with an initial speed of 98 m/s. The…

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Q: The charges and coordinates of two charged particles held fixed in an xy plane are q₁ = 3.44 μC, x₁1…

A: It is given that q1= 3.44 μC at 2.87 cm, 0.351 cm and q2= -4.37 μC at -2.47 cm, 2.49 cm along with a…

Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: Three blocks are connected on the table as shown below. The coefficient of kinetic friction between…

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Q: 5.) The threshold (cutoff) wavelength for the photoelectric effect in an unknown metal is 270nm.…

A: Given data: Threshold wavelength of the metal, λ0=270 nm=270×10-9 m

Q: 3. A basketball is thrown straight up at 25.3 m/s. a) What is the maximum height the basketball will…

A: Given:-  The initial velocity of the ball by which it has been thrown straight up u = 25.3 m/s…

Q: Find the resistance between the points a and b for the network shown in the figure, if R1 = R2 = R3…

A: Given:-  R1=R2=R3=2ΩR4=R5=3 Ω Find:-  The resistance between the point a and b

Q: N vs. TIME graph below, click on the spot where the VELOCITY IS ZERO (the arrow will be placed where…

A: Introduction: When the body does not gets displaced with time, the velocity is said to be zero. So,…

Q: 37. For each of the thin lenses (L and L) shown in Fig- ure 24.48, the index of refraction of the…

A: The lens maker's formula is given as: 1f=(n-1)(1R1-1R2) wheren is the refractive index of the lensR1…

Q: 5. • A concave spherical mirror has a radius of curvature of 10.0 cm. Calculate the location and…

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Q: This answer is incorrect. Can I get a correct answer please?

A: Here velocity u= 189 ft/sit makes angle 34o with horizontalTime taken to hit the point above h…

Q: 4 m, is released from rest. The top piece of string has a mass m, << m1, mh. Determine the…

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Q: • A converging lens has a focal length of 14.0 cm. For each of two objects located to the left of…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: During a steady right turn, a person exerts the forces shown on the steering wheel. Note that each…

A: Answer:

Q: Three large sheets are separated by equal distances of 15 cm as shown in the figure. The first and…

A: 1. Hence as per the given question,  there are three conducting and non-conducting plates .  which…

Q: . As shown in Figure 23.56, a layer of water covers a slab of material X in a beaker. A ray of light…

A: Angle of refraction in water , θr = 48° Angle of incidence in X , made with the normal = 90 - 65 =…

Q: Your friend insists that he is "listening to" a radio wave. State the difference between a sound and…

A: A physical wave can be defined as a disturbance in space which is propagating. Periodic waves can be…

Q: D. The Earth (m=5.98x 1024 kg) moving at an orbital speed equal to 2.98x10 m/s.

A: Part (D): Given: The mass of the earth is 5.98x1024 kg. The orbital speed of the earth is 2.98x108…

Q: 9. • Coherent light of frequency 6.32 x 10" Hz passes through two thin slits and falls on a screen…

A: When two waves travel with one at the highest point and the other at the lowest point at any point…

Q: An optical chopper is a device placed in the laser beam path to periodically obstruct the light. If…

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Q: Ch23,P57

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Q: R r M

A: Given a sphere with a uniform charge distribution, the charge distribution is symmetric about the…

Q: We have four resistors with values a d shown in ohms. 8). Calculate the equivalent resistance…

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Q: (a) A device consists of an object with a weight of 25.0 N hanging vertically from a spring with a…

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