If I am driving my car 70 MPH on the interstate with my windows up and a fly in the back seat flys forward to the front seat, could we say that the fly is faster than my car?  The car is going 70MPH and the fly is moving 72 MPH?  Thanks.

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A: Yes, an object have energy at rest.There are much more other kind of energies too.An object at rest…

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Q: Why might playing darts in an accelerating train be an issue?

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A: Train is moving in the opposite direction of person.

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A: When the feet are on the ground, we also travel with the same speed as the wall, that is 30 km/s…

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A: As the speed of spaceship increases so my speed also increases as I am in the spaceship. This…

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A: When t=1sec, s=12gt2s=129.812s=4.9m

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A: Given: The mass of the object is 51.2 g. The kinetic energy of the object is 16.15 J.

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A: Distance of pitcher mound from home plate, d = 85 m Time, t = 4.1 s

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A: Two ships moving parallel to each other

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A:

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A: Required :: Rate of flashlight observed by stationary observer.

Q: What is the speed of a rocket that travels 9000 meters in 12.12 seconds?

A: Given ,         Distance=9000 meters           Time= 12.12 seconds

Q: The mass of an electron at rest is 9.11*10-31 kg. Calculate its mass when it is moving at 0.15c.

A: GivenRest mass mo = 9.11 x 10-31 kgVelocity v = 0.15c

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Q: How can travel distances be shortened or avoided?

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Q: What do you call a wiggle in space and time?

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Q: Two cars leave from the same place at the same time and travel in opposite direction. One car…

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Q: Three little ducks @ 4 4 crossing a highway at 0.5 mph. The third duckling sees a car coming at 20…

A: Motion perpendicular are independent of each other. Motion can be uniform or accelerated. Motion is…