A pencil and a ruler cost $1.50 together. The ruler costs $1.00 more than the pencil. How much does the pencil?

if the pigeon is 76.0m below the initial position of the falcon, how long does it takes to reach the pigeon? assume that...

A person bending forward to lift a load "with his back" rather than "with his knees" can be injured by large forces exer...

A person drops a cylindrical steel bar (Y = 1.00 × 1011 Pa) from a height of 1.30 m (distance between the floor and the...

A pitcher throws a ball at 90 mph and the catcher stops it in her glovea. Is the work done on the ball by the pitcher po...

A playground merry-go-round has radius 2.60 m and moment of inertia 2300 kg*m^2 about a vertical axle through its center...

A potter is shaping a bowl on a potter's wheel rotating at constant angular speed. The friction force between her hands...

A primary rainbow is brighter than a secondary rainbow because a. sunlight reaching it is more intense. b. there is one...

A private college report contains these statistics:70% of incoming freshmen attended public schools.75% of public school...