17. Discuss the following in terms of impulse and momentum: a. Why are padded dashboards safer than hard dashboards in automobiles? b. Why are nylon ropes, which stretch considerably under stress, favored by mountain climbers?

Q: 2. A block of mass 0.25 kg is pushed against a spring of spring constant 80 N/m. It can slide…

A: mass of block m = 0.25 kgspring constant k = 80 N/mthe angle of inclination is 30oinitial…

Q: R₁ =R₂ =9.00 R₁ =R=3.02 V = 15 V R₁ R₂ мими R₂ Ry wwww Calculate the power delivered to resistor 2.

A: For a series connectionFor a parallel connectionR1 and R2 are in seriesR3 and R4 are in series

Q: (c) Starting from the satellite on the Earth's surface at the equator, what is the minimum energy…

A: Given that Mass of satellite (m)= 220 kg Height of satellite (h)= 350 km Mass of earth(Me)= 5.97×…

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: Does the brightness of bulb 2 increase, decrease, or remain the same? Explain. 1. 2 G ol ogsiiov…

A: Explanation below ANS: i. The brightness of the bulb 2 will increase.          ii. The brightness of…

Q: I need help with all the questions

A: EXPLANATION:  • From Faraday's second law of electromagnetic induction, the induced emf in a coil is…

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A:

Q: 13. Calculate the magnitude of the acceleration of the asteroid, relative to the spaceship. (a)…

A:

Q: 5. When ß-cartene is oxidized in vivo it breaks in half and forms two molecules of retinal (vitamin…

A: Energy levels  n=6n=7 internuclear distance=140 picometer,

Q: 4. Find the node voltages in the circuit below. 12 4 2 8. D2 3

A: Given that : R1 = 22 ohm R2 = 12 ohm R3 = 2 ohm R4 = 2 ohm R5 = 5 ohm R6 = 4 ohm  R7 = 7 ohm I = 8…

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A:

Q: Profjohn walks out of the studio to pick up the newspaper and travels 3.90 meters in the…

A: Given data:  Displacement in x-direction (x) = 3.90 m Displacement in y-direction (y) = -4.00 m…

Q: artici form a square of edge length a = 5.10 cm and have charges q1= 8.01 nC, q2 = -18.9 nC, 93 =…

A:

Q: 7. In what directions are the electromagnetic waves traveling in FIGURE Q34.7? (a) B B (b) E E LL,…

A: 7) Electromagnetic waves consist of the electric and magnetic fields propagating with the speed of…

Q: 40. A 100 g ice cube at -10°C is placed in an aluminum bucket librium temperature of 20°C. What is…

A:

Q: Help Liam Liam drew this graph on the previous screen. T What do you think happened to the green…

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Q: quipotential lines in a -Vo -2V -3V (a) from A to B WAB 57.4e-6 = (b) from A to C WAC=0 (c) from A…

A: Given: Charge q = 4.1 (10-7 )C Potential v0 =140 v

Q: 2.What is Va-Vb for a one turn coil with a uniform Magnetic Field (B) and a radius of 50cm. N-1…

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Q: A typical "college pad" is shown below. Each component uses a power of 500 W, and a 20 Amp fuse…

A: Required : Resistance of each component.

Q: P10F A uniform slender rod of 110 cm length and 3.25 kg mass is free to rotate about a frictionless…

A: The mass of the rod: The length of the rod: The angle of the rod with the horizontal:

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A: We need to draw the ray diagram for the given combination of lens.

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A: Solution: (d) 1. Prove the Maclaurin series,

Q: An X-ray photon with a wavelength of 0.220 nm scatters from a free electron at rest. The scattered…

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Q: A staging that weighs 440 N supports two painters, one 370 N and the other 650 N. The reading in the…

A: Solution: As given that Painter 1, W1 = 370 N Painter 2, W2 = 650 N staging weight, Ws = 440 N left…

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A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…