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Re: [Phys-L] Falling - the tale of a simple 1st degree non-linear ODE

The problems of dropping in on a topic thread ~  Richard Tarara recollected:
"We dropped a bowling ball (my constant in-class prop) from the space shuttle at 100 km high."

So, not the ISS, but a shuttle presumably approaching or descending from ISS

Brian W

On 1/16/2019 6:47 PM, Albert J. Mallinckrodt wrote:
Not if it’s simply "dropped at Space Station altitudes.” If, on the other hand, it’s “released FROM the Space Station” …

John Mallinckrodt

On Jan 16, 2019, at 10:16 AM, Arlyn DeBruyckere <> wrote:

I'll step in.... Frame of reference... it will linger in the vicinity of
the space station (one possible frame of reference) but will fall toward
the earth (and miss, ending up in an orbit) from the frame of reference of
the earth.

... stepping in without reading all of the original posts.

On Wed, Jan 16, 2019 at 10:45 AM Albert J. Mallinckrodt <> wrote:

I’m gonna go out on a limb here and opine that a bowling ball dropped from
an altitude of 220 km is unlikely to linger in the vicinity.

Now a roadrunner walking off a 220 km high cliff ... that’s a different

On Jan 15, 2019, at 9:33 PM, brian whatcott <>
... it seems that a bowling ball dropped at Space Station altitudes (220
km) might well linger in the vicinity.

John Mallinckrodt
Forum for Physics Educators;;sdata=vcQeU3XWQLPxN%2BkgufdDCdKdFAE0UZ%2FkfABUW57M1U8%3D&amp;reserved=0

Arlyn DeBruyckere
Science Teacher
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Hutchinson High School
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Hutchinson MN 55350