An angle of
ball
kicked at
350 with the round what should be nitial
Unlocuity of the ball so that it hit
target that is
way
at
6 what the time for the ball to hit
the
target
3om aw
1-2m
6=35°
1-7

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

Which missing item would complete this alpha decay reaction ? > 228/88ra + 4/2he a.224/96 rn b. 232/90 th c. 230/92 u d. 235/92 u

In an old-fashioned amusement park ride, passengers stand inside a 3.0-m-tall, 5.0-m-diameter hollow steel cylinder with their backs against the wall. the cylinder begins to rotate about a vertical axis. then the floor on which the passengers are standing suddenly drops away! if all goes well, the passengers will “stick” to the wall and not slide. clothing has a static coefficient of friction against steel in the range 0.60 to 1.0 and a kinetic coefficient in the range 0.40 to 0.70. part a what is the minimum rotational frequency, in rpm, for which the ride is safe? express your answer using two significant figures. f f = rpm