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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, ...

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?

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?

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 ...

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?

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?

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?

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?

Chemistry
Bond is gase

Physics
12 m/s

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