Ask a New Question

Question

If you can throw a ball so that its initial speed is 30 m/s, what is the widest river you can throw it across?
4 years ago

Answers

oobleck
The range is R = v^2/g sin2θ
so you get maximum range when θ = 45°
30^2/9.81 = 91.74 meters
4 years ago

Related Questions

If a ball is throw into the air with a velocity of 40ft/s its height in feet t seconds later is give... If you throw a ball through a pile of sand, it will slow down in the sand and emerge at less that it... if i throw a ball up into the air it will not end up being 800 meters, in the air if it leaves my ha... if you throw a ball up in the air at 8m/s how do you find out how long it is in the air? You throw a ball downwards with a speed of 10 m/s. It hits the ground 4 meters below from where you... You throw a ball into the air with an initial vertical velocity of 31 feet per second. The ball leav... A boy wants to throw a ball into his friend’s window 16.0 m above. Assuming it just reaches the wind... You throw a ball towards a wall at 15ms-1, and it bounces back at 10ms-1. What is the total change... If you throw a ball into the air at some angle with respect to the horizontal, which of the followin... If you throw a ball into the air, Earth exerts a force on the ball. The ball in the air exerts n...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use