Thursday
December 8, 2016

Posts by Bira

Total # Posts: 10

Physics
You’re riding your bicycle first west a distance of 7.7 km, then south a distance of 14.1 km. (a) In what direction does your average velocity vector point, in degrees south of west? (b) If the total trip took 18.3 minutes, what is the magnitude of this average velocity, ...
April 11, 2016

Physics
A volleyball is sent over a net, having been launched at a speed 4.6 m/s at an angle 28.2 degrees above the horizontal, from the ground. What is the maximum height, in m, that the net can be placed such that they ball can make it over?
April 11, 2016

Physics
A ball is tossed upward and returns to its original position after 19.7 seconds. If another ball is thrown at an angle of 41.4 degrees above the horizontal, at what speed, in m/s, must it be thrown such that it returns to the same height at the same time as the first ball?
April 11, 2016

Physics
James Bond is chasing a runaway villain across the tops of several buildings. In order to make it from one building to another safely, Bond needs you to calculate how much horizontal speed he needs to jump from one building’s roof to another, with the horizontal distance ...
April 11, 2016

Physics
A baseball is hit and leaves the bat horizontally at a speed of 6.7 m/s. The ball lands 10.3 m from where it was hit. What was the height of the bat at the time it hit the baseball, in m?
April 11, 2016

Physics
A volleyball is sent over a net, having been launched at a speed 5 m/s at an angle 42.7 degrees above the horizontal, from the ground. What is the ball’s speed, in m/s, 2.97 seconds after being launched?
April 11, 2016

Physics
An egg is thrown from the top edge of a 22.9 m high building down onto an unsuspecting person standing on the ground 6.2 m from the base of the building. If the egg is tossed horizontally, at what speed, in m/s, must the egg be thrown such that it lands on the person?
April 11, 2016

Math
lily has a bottle containing 7/8 quart of milk. She pours 4/5 of it into a bowl. What amount of milk does she pour into the bowl?
January 19, 2015

Chemistry
Bond is gase
January 3, 2012

Physics
12 m/s
November 14, 2010

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