Asked by Shandy

Bob is roller-skating at a speed of 1.5 m/s relative to the ground. He tossed a small ball forward. The ball moves at a speed of 1 m/s relative to Bob. What is the speed of the ball relative to the ground?

Answers

Answered by Writeacher
If you really want an expert to help you, be sure to follow directions and type your <u>subject</u> in the <b>School Subject</b> box. Any other words, <u>including obscure abbreviations</u>, are likely to delay responses from a teacher who knows that subject well.
Answered by Elena
Subject: Physics
Velocity-addition formula gives
v= 1.5 +1 = 2.5 m/s
Answered by Ricardo
Elena is right but, why to make a physics question in the foreign language subject?
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