5. There are two cars moving at a speed of 50 km/s and 70 km/s with a mass of 100 kg and 60 kg respectively. Find the final speed of both after the collision.

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A: Which radiation ,Ultraviolet or Infrared, have longer wavelength.

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A: Number of calculations that is performed by a computer in 1 second, N=4.66×108 Total number of…

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A:

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A:

Q: 1. If you observe a photon of light with a wavelength A = 495 nm what is its frequency (use equation…

A: Given : Wavelength = 495 nm = 495*10-9 m

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A:

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A: Power=Work/time Energy=Work=power×time

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A: from F.B.D  (mb+mc)g-T=(mb+mc)aN=magcos30T-magsin30-μmagcos30=maaby solving above…

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A: sds

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A: Given data:  Speed of light (c) = 3.00×108 m/s Required: Speed of light in miles per hour

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Q: Q1: A) A copper tape has a length 30 m in a winter day when temperature is (-10 ° C) .how much…

A: Length , L = 30 m T1 = -10 °C = 263 K T2 = 40 °C = 313 K Thermal expansion , α = 17 x 10-6 K-1

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A: Given value--- firstly driven 1.25 km south, then 8.75 km in a direction 57° north of east. We…

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A: A person walks a distance due east is ,                               X = 70 meters Then he walks a…

Q: Which of the following statements uses exact numbers? (a) 1 ft = 12 in.(b) 1 cal = 4.184 J(c) The…

A: 1 ft = 12 in. 1 cal = 4.184 J

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A: Electroscope:- Based on the Coulomb electrostatic force, which moves the test charge, the…

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A: The problem is based upon mass pulley system.  The solution will be

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A: The reactions at the supports. Given, mass per unit lengthmL=55 kg·m-1mass of blockmb=250 kgLength…

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A: Given data:  Actual mass (m) = 161 g Expected mass (m') = 163.9 g Required:  The percentage error

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A: Here, the x component is 15 units The magnitude of the vector is 45 units

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A: 25) ACCELERATION: the time rate of change of velocity is called the acceleration, so the object with…

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A: First loading ramp delivered service = 15f And make angle = 19°

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Q: Find the average binding energy per nucleon of Mg. Select one: O 8.26 MeV/nucleon O 8.62 MeV/nucleon…

A: