Identify which of the following statements are IMPOSSIBLE. Choose all that apply

Question

Identify which of the following statements are IMPOSSIBLE. Choose all that apply.

? A pony was slowing down while moving in one direction. The following data were taken at one moment while it was slowing down:
xpony = -39 mi, vpony,x = 12 mi/s, apony,x = 41 mi/s2.

? A rock was moving in a circle & had an acceleration of 0 in/min2.
? A worm was slowing down & had an acceleration of 0 mi/h2.
? A wolf was speeding up & had an acceleration of 0 m/s2.
? A zebra had an acceleration of 2 mi/h2.
? While a scooter was speeding up, its acceleration was west and its velocity was south.

Explanation / Answer

1) as the pony is slowing down , acceleration should be negative but here it is given +ve..so 1. is IMPOSSIBLE 2) possible 3)as the worm is slowing down , it should have some deceleration(-ve acceleration) so IMPOSSIBLE 4) wolf is speeding up => it should have some acceleration..so IMPOSSIBLE 5) possible 6) scooter moves in a single direction(1-D) ..so it cannot have velocity and acceleration in other directions..so IMPOSSIBLE

Related Questions

Navigate

• Browse (All)
• Browse I
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.