Homework Help: 12th grade

Posted by Anonymous on Tuesday, November 2, 2010 at 5:52pm.

You're riding on a train that's moving at 50 km/h, and you roll a ball down the aisle at 2 km/h in the same direction as the train is moving. If a person standing on the ground near the train track could see the ball, how fast would it appear to be moving?

12th grade - SraJMcGin, Tuesday, November 2, 2010 at 9:05pm
Please identify the School Subject correctly so the right teacher reads your post.

Sra
12th grade - Carey, Tuesday, November 30, 2010 at 12:35am
50 + 2 = 52 km/h

Answer this Question

Related Questions

milford - Suppose that a man throws a ball from the front of a train that is ...
physics - A train slows down as it rounds a sharp horizontal turn, slowing from ...
physics.... - 1) In one scene of the movie Raiders of the Lost Ark, Indiana ...
physics - A train slows down at a constant rate as it rounds a sharp circular ...
physics - On a 120 km track, a train travels the first 30 km at a uniform speed ...
Physics - 1. A train whistle has a frequency of 1000 Hz. If the train is ...
maths - Two trains are on the same track a distance 300 km apart heading ...
physics - A train moving at a constant speed of 68.0 km/h moves east for 33.0 ...
OCEANOGRAPHY HELP - Ridge systems are about how many kilometers wide? I get 65,...
PHYSICS - At some amusement parks, to get on a moving "car" the riders...

For Further Reading

First Name:
School Subject:
Answer: