pty Space, somewhere between the solar system and lch Centauri. An astronaut wis

Question

pty Space, somewhere between the solar system and lch Centauri. An astronaut wishes to test Newton's laws by making careful measurements thin his spaceship. Is his spaceship an inertial frame a) when it is coasting at a constant velocity of 120 km/s? Explain. b) when it has zero velocity relative to the solar system and to Alpha Centauri, but is momentarily accelerating at 40 m/s? Explain wi "2. A car is moving along a circular path at a smooth speed of 40 mi/hr. Is a reference frame with origin in the center of the car and with the x-axis toward the front of the car, an inertial frame? Explain.

Explanation / Answer

A car moving along a circular path is called a non inertial frame of reference because the velocity of the car is changing direction every time along its path. That is why the car is said to be accelerated and thus a non inertial frame of reference.

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