Please help im being timed A baseball is hit at an initial speed of 40 m/s at an angle of 60° above the horizontal. Find the ball’s maximum height in meters. Use g = 9.81 m/s2.
A
10.2

B
20.4

C
22.4

D
61.2

Many machines- including inclined planes such as ramps- increase the strength of the force put into the machine but decrease the distance over which the force is applied.

A248-g piece of copper is dropped into 390 ml of water at 22.6 °c. the final temperature of the water was measured as 39.9 °c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m

In order for the bug to fly through the air a force has to push the bug forward. identify this force. how does the bug produce