Number 4 part a and b show all work Homework #51) A ball is thrown at 14.0 m/s at 45° above the horizontal. Someone located 30.0 m away alongline of the path starts to run just as the ball is thrown. How fast, and in which direction, must theperson run to catch the ball at the level from which it was thrown?2) If a baseball player can throw a ball at 45° to a point 100 m away horizontally to the initialvertical level, how high could he throw it vertically upward?3) A motorcyclist plans to jump across a gorge width 32.0 m. He takes off on a 18.0° ramp. Whatminimumspeed does he require if he lands at the initial level?4) A projectile fired from the ground has a velocity i = 24.0 î –8.00 j m/s at a height of9.10 m. Find: (a) the initial velocity; (b) the maximum height.5) sprinter running on a circular track has a velocity of constant magnitude 9.20 m/s and acentripetal acceleration of magnitude 3.80 m/s². What are (a) the track radius and (b) the periodof the circular motion?6) A centripetal-acceleration addict rides in uniform circular motion with radius r= 3.00 m. At(6.00m/s² )i+(-4.00 m/s? )j. At that instant, what are theone instant his acceleration is a =|values of (a) v·a and (b) r×a?7) The figure below shows a conical pendulum. It consists of a bob is suspended at the end of astring and describes a horizontal circle at a constant speed of 1.28 m/s. If the length of thestring is 1.20 m and it makes an angle of 20° with the vertical, find the acceleration of the bob,L.8) A stone moves in a circle of radius 60.0 cm and has a centripetal acceleration of 90 m/s². Howlong does it take to make 8 revolutions?

Name: Number 4 part a and b show all work Homework #51) A ball is thrown at
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Description: Number 4 part a and b show all work Homework #51) A ball is thrown at 14.0 m/s at 45° above the horizontal. Someone located 30.0 m away alongline of the path starts to run just as the ball is thrown. How fast, and in which direction, must theperson r

Given: The velocity of the projectile ( w.r.t to ground), v = 24.0 i^ - 8.00 j^ m/s height, h =…

Answered: 4) A projectile fired from the ground…

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4) A projectile fired from the ground has a velocity i = 24.0 î –8.00 j m/s at a height of 9.10 m. Find: (a) the initial velocity; (b) the maximum height. %3D

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Number 4 part a and b show all work

Homework #5
1) A ball is thrown at 14.0 m/s at 45° above the horizontal. Someone located 30.0 m away along
line of the path starts to run just as the ball is thrown. How fast, and in which direction, must the
person run to catch the ball at the level from which it was thrown?
2) If a baseball player can throw a ball at 45° to a point 100 m away horizontally to the initial
vertical level, how high could he throw it vertically upward?
3) A motorcyclist plans to jump across a gorge width 32.0 m. He takes off on a 18.0° ramp. What
minimum
speed does he require if he lands at the initial level?
4) A projectile fired from the ground has a velocity i = 24.0 î –8.00 j m/s at a height of
9.10 m. Find: (a) the initial velocity; (b) the maximum height.
5) sprinter running on a circular track has a velocity of constant magnitude 9.20 m/s and a
centripetal acceleration of magnitude 3.80 m/s². What are (a) the track radius and (b) the period
of the circular motion?
6) A centripetal-acceleration addict rides in uniform circular motion with radius r= 3.00 m. At
(6.00m/s² )i+(-4.00 m/s? )j. At that instant, what are the
one instant his acceleration is a =|
values of (a) v·a and (b) r×a?
7) The figure below shows a conical pendulum. It consists of a bob is suspended at the end of a
string and describes a horizontal circle at a constant speed of 1.28 m/s. If the length of the
string is 1.20 m and it makes an angle of 20° with the vertical, find the acceleration of the bob,
L.
8) A stone moves in a circle of radius 60.0 cm and has a centripetal acceleration of 90 m/s². How
long does it take to make 8 revolutions?

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