6. A 0.045 kg bullet is fired at 340 m/s at a 3.5 kg wooden block that is hanging from a 3 m long string. If the bullet passes through the block and emerges out the other side traveling at 50 m/s, what angle does
the string make with the vertical when the block gets to its highest position?

Aball tossed vertically upward from the ground next to a building passes the bottom of a window 1.8 s after being tossed and passes the top of the window 0.20 s later. the window is 2.0 m high from top to bottom. what was the ball's initial velocity? the unit vector j^ is directed upward. how far is the bottom of the window from the launch position? how high does the ball rise above the launch position?

Assume similar data for the motion of the blood in your aorta. estimate how many beats of the heart it will take the blood to get from your heart to your brain. (assume that the distance from your heart to your brain is 30 cm)

=force × distance a. work b. velocity c. pressure d. momentum