Physics, 27.10.2020 20:10 hHRS2997

Johnny kicked a football from a hill 20 meters tall. The ball leaves at a 45.0 degree angle with an initial velocity of 30.0 m/second. How many seconds was the ball in the air? Report your answer to 3 sig figs. Seconds

Answers: 3

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 20:30, jasminelynn135owmyj1

When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false

Answers: 1

continue

Physics, 21.06.2019 22:00, baidentheodore617

Let v1, v2, w be three linearly independent vectors in r 3 . that is, they do not all lie on the same plane. for each of the following (infinite) set of vectors, carefully sketch it in r 3 , and determine whether or not it is a vector space (i. e., a subspace of r 3 ). explain your reasoning

Answers: 2

continue

Physics, 22.06.2019 07:40, sanafarghal

Which lists the fundamental forces in order, from strongest to weakest? strong nuclear, weak nuclear, electromagnetic, gravitational strong nuclear, electromagnetic, weak nuclear, gravitational gravitational, weak nuclear, electromagnetic, strong nuclear electromagnetic, gravitational, strong nuclear, weak nuclear

Answers: 2

continue

Physics, 22.06.2019 11:40, johanperezpere51

Imagine that you have two balloons (or, better yet, actually inflate two balloons, if possible). create static electricity around one of the balloons by rubbing it against your hair or your sweater and then bring that balloon close to the other balloon, which has not been charged. try this with at least one other object—and for variety in the discussion, avoid using an object already described by your classmates. then, for your initial post to the discussion, answer the following questions: what happened with the two balloons?

Answers: 3

continue

You know the right answer?

Johnny kicked a football from a hill 20 meters tall. The ball leaves at a 45.0 degree angle with an...