Recent content by jlk

thanks i got it. find delta t using the known values of the dart's x direction. then set the yf of the koala = yf of dart if the dart hits the koala, they will hit at the same position that means yf is the same for both and yes it hits the koala :)

Homework Statement A kindly zookeeper, concerned about the health of her prize koala, aims a dart gun at the koala who is sitting in the tree munching on eucalyptus leaves. The koala, feeling a bit under the weather and sensing impending doom, perks up and watches the zookeeper aiming her...

i figure it out :) thanks though.

Homework Statement You are at the top of the Empire State Building on the 102nd floor, which is located 373m above the ground, when your favorite superhero flies over the building parallel to the ground at 70.0% the speed of light. You have never seen your favorite superhero in real...

I'm uncertain how to find the normal force the floor exerts on the dolly (part B) and the force the dolly exerts on the floor (part C) because the mass of the dolly was not given. ONly the combined mass of the dolly and carton was given. Homework Statement A stock clerk pushes a carton on a...