---
title: "A blue sphere and a red sphere with the same diameter are released from rest at the top of a ramp. The red sphere takes a longer time to reach the bottom of the ramp. The spheres are then rolled off a horizontal table at the same time with the same speed and fall freely to the floor. Which sphere reaches the floor first?"
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url: "https://nerd-notes.com/ubq/39456/"
date_modified: "2026-04-16T06:16:14+00:00"
---

# A blue sphere and a red sphere with the same diameter are released from rest at the top of a ramp. The red sphere takes a longer time to reach the bottom of the ramp. The spheres are then rolled off a horizontal table at the same time with the same speed and fall freely to the floor. Which sphere reaches the floor first?

A blue sphere and a red sphere with the same diameter are released from rest at the top of a ramp. The red sphere takes a longer time to reach the bottom of the ramp. The spheres are then rolled off a horizontal table at the same time with the same speed and fall freely to the floor. Which sphere reaches the floor first?

- **A.** The red sphere
- **B.** The blue sphere
- **C.** The sphere with the greater mass
- **D.** Neither; the spheres reach the floor at the same time.

*The answer key and step-by-step explanation are available to logged-in users at https://nerd-notes.com/ubq/39456/*