Homework Help: Physics

Posted by Emily on Thursday, March 24, 2011 at 9:23pm.

A boy in a car moving at 10 km/h [N] wants to throw a ball to a girl standing on the right-hand side of the road. He is able to throw the ball at 20 km/h. He wants the ball to go straight east, directly to her. a) Relative to the car which way should he throw in order to do this?
b) Relative to the ground, how fast will the ball travel to reach her?

Physics - Joban, Saturday, March 9, 2013 at 9:19pm
I have this same question in Mr,Norisue's at Johnston Heights. I answer are:
a) [30 degrees S of E ]
b) 17km/hr

Answer this Question

Related Questions

physics - Consider a boy standing on a building that is 500m height and another...
Physics - A boy is standing on a skateboard holding two 5.0 kg bowling balls. ...
Physics - A boy's hand pushes a ball through a vertical distance of 1.45 m ...
physics - You throw a 134 g ball straight up to a height of 43.0 m. (a) Assume ...
12th grade - You're riding on a train that's moving at 50 km/h, and you...
physics - Why is this following situation impossible? A normally proportioned ...
Physics - a car is moving at 100 km/hr is 0.5 km behind another car moving at 60...
physics - A boy standing in a ditch throws a baseball upward toward his father. ...
physics - Imagine you are sitting in a car tossing a ball straight up into the ...
physics - You throw a 141 g ball straight up to a height of 45.0 m. Assume that ...

For Further Reading

First Name:
School Subject:
Answer: