Wednesday
October 1, 2014

Homework Help: 11 Physics

Posted by Sam on Wednesday, September 3, 2014 at 6:23pm.

my teacher gave me this question for review and i don't know how to do it!! HELP!!!


A ball is thrown upwards, from a building. It's height(h), in meters above the ground seconds(t) after being thrown is given by h(t)=-5t^2+15t+50

a) How tall is the building? (explain your answer)

b) How long does it take the ball to reach the ground?

c) For how long is the ball 55m above the ground?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics - Hypothetically, you are standing on the balcony of an apartment on the...
Physics - HELP PLEASE. Hypothetically, you are standing on the balcony of an ...
math - Hi, I have a math problem that I can't understand how to write the ...
physics - plz anyway help me for the solution of this question. from the top of ...
Physics - A ball is thrown from the top edge of a building with initial velocity...
Physics - A ball is thrown from the top edge of a building with initial velocity...
Physics - A ball is thrown from the top edge of a building with initial velocity...
physics - A ball is thrown horizontally with an initial velocity of 20.0 m/s ...
Physics - A ball is thrown upwards on the moon with an initial speed of 35m/s. ...
physics ( help) - Hypothetically, if you were standing on the balcony of an ...

Search
Members