Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving at 60 kım/h and the other is moving at 40 km/h mph. In how many hours will they meet?

Q: The speed of an object is 4 m/s.  How far, would it travel in 2 hours?

A: The expression for find distance is d=vt

Q: The speed of light in free space has been measured to be 2.99792458 × 10^8 (A) 3 Significant…

A: Given data:  Speed of light in free space c = 2.99792458×108 m/s Required: Speed in 3, 5 and 7…

Q: significant figures in :~ 1. 2.67×10^-7 2. 100.000 3. 1500000 4.

A: Significant figures are used to establish the number which is presented in the form of digits. These…

Q: Electrons in the picture tube of an old-style television travel at 1.25 × 108 m/s. At this speed,…

A: Speed of electron "v"= 1.25× 10^⁸ m/s . Distance travel "d"= 11.5 Inches = 0.2921m

Q: A boat takes 3.00 hourshours to travel 50.0 kmkm down a river, then 6.10 hourshours to return. How…

A:

Q: what is the length of a meterstick measured by an observer travelling at i). 1700km/hr and ii).…

A: Length contraction               Length contraction is the decrease in the measured length of an…

Q: The speed of light is 3x108 m/s. What is its speed in miles/while. (A mile is 1.609 km. A while is…

A: The speed of light c in km/min is,

Q: A boat takes 3.80 hours to travel 45.0 km down a river, then 6.50 hours to return. How fast is the…

A: The boat takes 3.80 hrs to cover the distance 45 km During the boat goes up v'=b-v During boat goes…

Q: The sidewalk is 50.0 m long and is moving at 1.25m/s. How long will it take a passenger walking at…

A: Given data: Length of sidewalk is, d=50.0 m. Speed during side walk is, v1=1.25 m/s. Speed of…

Q: A boat takes 2.6 hours to travel 50 km down a river, then 6.7 hours to return. How fast is the river…

A: Time to travel down the river = 2.6 hr Time to return up the river =6.7 hr River length = 50 km Let…

Q: An airplane was traveling 600mph for 6 hours,how far did that plane travel

A: The given values are, v=600 mi/ht=6 h

Q: You are standing at x = 9.0 km. Lightning bolt 1 strikes at x = 0 km and lightning bolt 2 strikes at…

A: Given data: Your position, x=9.0 km=9×103m Bolt-1 strikes at x=0 km=0 m Bolt-2 strikes at x=12.0…

Q: You are leaving for a concert that starts in 5hours and is 335 miles from your house. What average…

A: Given : t = 5 hours d = 335 miles

Q: if you are standing still and a meter pass you going 75% the speed of light what do you measure?  A.…

A:

Q: What is the result of the equation: 1.22 * 3.2/ 10.1098 + 2021.1 with the correct number of…

A: Let A = 1.22×3.210.1098+2021.1 Applying the BODMAS rule, we first divide, then multiply and finally…

Q: The speed of light is now defined to be 2.997 924 58 × 108 m/s. Express the speed of light to (a)…

A:

Q: According to the Theory of Relativity, the length of an object depends on its velocity v with…

A: Given information:The relation between C and L for a rod of 10 cm long:C2L2 + 100V2 = 100C2Part A:

Q: An automobile accelerates at 3728.22715 miles/hr^2 down a straight road at a starting speed of…

A:

Q: - The speed of light in vacuum is about: A. 1100 ft/s В. 93 х 10*6 m/s C.6x 10*23 m/s D. 3 x 10*10…

A: Electromagnetic radiation have a speed of 3 * 108 m/s in vaccum.  Since light is an electromagnetic…

Q: How long does it take (in seconds) for light to travel from the Sun to Saturn if the Sun is roughly…

A: Given data:  Distance (d) = 1.5×109 km Speed of light (v) = 3×108 m/s Required: Time (t)

Q: A train is 350 meters long goes through a tunnel that is 2.52 kilometers long how long does the…

A: Given in question: Length of tunnel(L) = 2.52 Km = 2520 m                                 Length of…

Q: The kinetic energy E of an object varies jointly with the object’s mass m and the square of the…

A: The object’s kinetic energy can be represented as, Here, m, v, and k represent the object’s mass,…

Q: How many feet in 1.00 km. O 4280.839895 feet O 3280.839895 feet O 5280.839895 feet 2280.839895 feet…

A: Answer :-3280.839895 feet

Q: A tricycle and a garbage truck are 150 kilometers apart and traveling toward each other. The…

A:

Q: How many minutes Raman will take to cover a distance of 400 meters if he runs at a speed of 20 km/hr…

A:

Q: A helicopter is moving past some clouds at a velocity of 5 km/hr north relative to the clouds. The…

A: Given data: Velocity of helicopter with respect to clouds Vhc = 5 km/hr, North  Velocity of clouds…

Q: If I set off for a journey at 2:49pm and travel for one

A: I set off journey at 2:49 PM and travel one and three quates hour.  One and three quarter hour means…

Q: Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving…

A: Ans:- Image-1

Q: A boat takes 3.50 hours to travel 10.0 km down a river, then 5.40 hours to return.   How fast is the…

A:

Q: A certain tree is observed to grow 20cm per year. What will be the tree's height in meters after…

A: Rate of growth of tree = 20cm per year = 0.2m per year Height after time t years = Rate of…

Q: A curious child stands on the top of a 794 m skyscraper and drops a coin from the top of the…

A:

Q: The speed of light in space is 3.00 x 108 m/s. The time for light from the Sun to reach Earth is 8…

A:

Q: A cosmic ray travels 60 km through the earth’s atmosphere in 400 μs, as measured by experimenters on…

A: The velocity of cosmic ray is, v=dtv=60×103 m400×10-6 sv=1.5×108 m/s

Q: An astronomical unit (AU) is the average distance between Earth and the Sun, approximately 1.50 108…

A: Given:   d = 1.50 x 108 km. v = 3.0 x 108 m/s.

Q: How long will it take a boat, moving at 5.6 m/s, to travel 100 meters? a.17.9 seconds.…

A: The relation between speed, distance, and time is given as: speed=distancetime

Q: Alight-vear is the distance that light travels in one year. The speed of light is 3.00 x 108 m/s How…

A: Write the equation for the distance travelled by the light in a year. DistanceD=Speed of light ctime…

Q: The speed of light in free space has been measured to be 2.99792458 x 108-m/s. Express the speed of…

A: Speed of light in free space = 2.99792458 × 108 m/s  ( this value consists of nine significant…

Q: A boat takes 3.0 hours to travel 30 km down a river, then 5.0 hours to return. How fast is the river…

A: vboat+vriver=dtdownvboat+vriver=30 km3.0 hvboat+vriver=10 km/h......................(I)

Q: A rocket is travelling from earth through space at a speed of 2.7x10^8m/s. The pilot measures the…

A:

Q: Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving…

A:

Q: Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving…

A: Distance =speed×time

Q: (2) Two cars are 150 kilometres apart and travelling toward each other. One car is moving at 60 km/h…

A: The expression for the speed is written as, Here, d and t represent the distance and time,…

Q: An automobile accelerates at 3728.22715 miles/hr^2 down a straight road at a starting speed of43.496…

A: Given Acceleration of the automobile is given as a=3728.22715 miles/h2 Initial speed is v0=43.496…

Q: The speed of light is written in scientific notation as 3.00x10^8 m/s. How would you write this in…

A: Option 1 is the right answer  300,000,000 m/s

Q: A rocket is traveling in outer space with a velocity of 12,000 m/s. How long will it take to travel…

A: Write the equation relating time velocity and distance

Q: Earth is on average a distance of 2.25 x 1011 m away from Mars. If a radio signal is sent from Earth…

A: Given data:  Distance between Earth and Mars d = 2.25 × 1011 m Speed of radio signal (v) = 3.0 × 108…

Q: how far can light travel in 90 minutes?

A: Given data: The light’s speed is: c = 300000 km/s The time is: t = 90 minutes The distance travelled…