A 7.0 kg solid ball, radius 10 cm, is rolling at 10 m/s. For a solid...
A 7.0 kg solid ball, radius 10 cm, is rolling at 10 m/s. For a solid ball the moment of inertia I=2MR2/5.
1. Calculate the ball's angular velocity in rad/s (show calculations)
A. 100 B. 70 C.350 D.140 E.490
2. Calculate the balls linear momentum and angular momentum in kgs/s and kgm2/s, respectively (show calculations)
A. 350 & 140 B. 140 & 350 C. 70 & 2.8 D. 2.8 & 70
3. Calculate the ball's translational rotational and total kinetic energy in J.(show calculations)
A. 2.8, 70, & 72.8
B. 350, 140, & 490
C. 140, 350, & 490
D. 70, 2.8, & 72.8
Homework Answers
Add Answer to:
A 7.0 kg solid ball, radius 10 cm, is rolling at 10 m/s. For a
solid...
A solid 2.8 kg sphere is rolling at 6.0 m/s . Find (a) its translational kinetic...
A solid 2.8 kg sphere is rolling at 6.0 m/s . Find (a) its translational kinetic energy (Joules) (b) its rotational kinetic energy (Joules)
A 1.90 kg solid, uniform ball of radius 0.200 m is released from rest at point...
A 1.90 kg solid, uniform ball of radius 0.200 m is released from
rest at point A in the figure below, its center of gravity a
distance of 1.90 m above the ground. The ball rolls without
slipping to the bottom of an incline and back up to point B where
it is launched vertically into the air. The ball then rises to its
maximum height hmax at point C.
a) At point B, find the ball's translational speed
vB...
A 1.90 kg solid, uniform ball of radius 0.200 m is released from rest at point...
A 1.90 kg solid, uniform ball of radius 0.200 m is released from
rest at point A in the figure below, its center of gravity a
distance of 1.90 m above the ground. The ball rolls without
slipping to the bottom of an incline and back up to point B where
it is launched vertically into the air. The ball then rises to its
maximum height hmax at point C.
a) At point B, find the ball's translational speed
vB...
1. Consider a 10.0 kg solid steel ball with a radius of 8.0 cm (0.080 m)...
1. Consider a 10.0 kg solid steel ball with a radius of 8.0 cm (0.080 m) rolling down a track of height h = 4.5 m without slipping. 4.50 m PLEASE SHOW ALL WORK AND CALCULATIONS. Answers W/O derivations will receive no credit. Partial Credit will be rewarded for answers with some errors. a. Calculate the moment of inertia for the ball b. Calculate the initial potential energy of the ball c. What is the velocity of the ball at...
Problem -2 A hollow ball of radius 0.5 m and mass 4.5 kg is rolling without...
Problem -2 A hollow ball of radius 0.5 m and mass 4.5 kg is rolling without slipping on a level surface at a constant speed of 4.0 m/s. The ball rolls up a 40- ramp and eventually stops before rolling back down. (the moment of inertia of a hollow ball of mass M and radius RisMR2) Find: (a) the angular (rotational) speed of the ball (in rad/sec) just before it begins to move up the ramp: (b) the rotational kinetic...
Problem #2 A hollow ball of radius 0.5 m and mass 4.5 kg is rolling without...
Problem #2 A hollow ball of radius 0.5 m and mass 4.5 kg is rolling without slipping on a level surface at a constant speed of 4.0 m/s. The ball rolls up a 40° ramp and eventually stops before rolling back down. (the moment of inertia of a hollow ball of mass M and radius R is MR2) Find: (a) the angular (rotational) speed of the ball (in rad/sec) just before it begins to move up the ramp; (b) the...
A baseball has a mass of 0.15 kg and radius 3.7 cm. In a baseball game,...
A baseball has a mass of 0.15 kg and radius 3.7 cm. In a baseball game, a pitcher throws the ball with a substantial spin so that it moves with an angular speed of 30 rad/s and a linear speed of 39 m/s. Assuming the baseball to be a uniform solid sphere, determine the rotational and translational kinetic energies of the ball in joules. KE rotational = .012034 x What is the moment of inertia of a solid sphere?) KEtranslational...
A basketball with a radius of 25 cm is rolling across the floor after being thrown....
A basketball with a radius of 25 cm is rolling across the floor after being thrown. The ball is rolling at 1080 degrees per second at the start, and feels a negative acceleration from friction 9. n/4 rad/s a. What is the equation that will describe the ball's angular position after a given time? b. How long will it take the ball to stop? c. What will be the angular distance the ball has travelled? d. What will be the...
1) A solid sphere of radius = 10 cm and mass = 2 kg is going...
1) A solid sphere of radius = 10 cm and mass = 2 kg is going down an inclined plane of height = 5 m. The angle of the inclined plane = 35 degrees. a) What is the final Total kinetic energy of the sphere? 98J b) Calculate the final Vcm and angular of the sphere and the Total velocity at the top point. Vcm=8.37m/s w=83.67 rads/s Vt=16.73m/s c) What are the final Linear (translational) and Rotational kinetic energies of...
The figure on the right illustrates a ball which is a uniform solid sphere having mass M and radi...
The figure on the right illustrates a ball which is a uniform solid sphere having mass M and radius R. The ball is initially traveling in the positive direction with pure translational motion along a friction-less region of a horizontal surface (i.e. it slips with angular speed ω0-0). The initial translational speed of the ball is Vo. The friction-less region extends to a region having coefficient of kinetic friction Figure for WAH #10 V. Friction Friction-less No longer slipping '...
A 1.90 kg solid, uniform ball of radius 0.200 m is released from
rest at point A in the figure below, its center of gravity a
distance of 1.90 m above the ground. The ball rolls without
slipping to the bottom of an incline and back up to point B where
it is launched vertically into the air. The ball then rises to its
maximum height hmax at point C.
a) At point B, find the ball's translational speed
vB...
A 1.90 kg solid, uniform ball of radius 0.200 m is released from
rest at point A in the figure below, its center of gravity a
distance of 1.90 m above the ground. The ball rolls without
slipping to the bottom of an incline and back up to point B where
it is launched vertically into the air. The ball then rises to its
maximum height hmax at point C.
a) At point B, find the ball's translational speed
vB...
1. Consider a 10.0 kg solid steel ball with a radius of 8.0 cm (0.080 m) rolling down a track of height h = 4.5 m without slipping. 4.50 m PLEASE SHOW ALL WORK AND CALCULATIONS. Answers W/O derivations will receive no credit. Partial Credit will be rewarded for answers with some errors. a. Calculate the moment of inertia for the ball b. Calculate the initial potential energy of the ball c. What is the velocity of the ball at...
Problem -2 A hollow ball of radius 0.5 m and mass 4.5 kg is rolling without slipping on a level surface at a constant speed of 4.0 m/s. The ball rolls up a 40- ramp and eventually stops before rolling back down. (the moment of inertia of a hollow ball of mass M and radius RisMR2) Find: (a) the angular (rotational) speed of the ball (in rad/sec) just before it begins to move up the ramp: (b) the rotational kinetic...
Problem #2 A hollow ball of radius 0.5 m and mass 4.5 kg is rolling without slipping on a level surface at a constant speed of 4.0 m/s. The ball rolls up a 40° ramp and eventually stops before rolling back down. (the moment of inertia of a hollow ball of mass M and radius R is MR2) Find: (a) the angular (rotational) speed of the ball (in rad/sec) just before it begins to move up the ramp; (b) the...
A baseball has a mass of 0.15 kg and radius 3.7 cm. In a baseball game, a pitcher throws the ball with a substantial spin so that it moves with an angular speed of 30 rad/s and a linear speed of 39 m/s. Assuming the baseball to be a uniform solid sphere, determine the rotational and translational kinetic energies of the ball in joules. KE rotational = .012034 x What is the moment of inertia of a solid sphere?) KEtranslational...
A basketball with a radius of 25 cm is rolling across the floor after being thrown. The ball is rolling at 1080 degrees per second at the start, and feels a negative acceleration from friction 9. n/4 rad/s a. What is the equation that will describe the ball's angular position after a given time? b. How long will it take the ball to stop? c. What will be the angular distance the ball has travelled? d. What will be the...
The figure on the right illustrates a ball which is a uniform solid sphere having mass M and radius R. The ball is initially traveling in the positive direction with pure translational motion along a friction-less region of a horizontal surface (i.e. it slips with angular speed ω0-0). The initial translational speed of the ball is Vo. The friction-less region extends to a region having coefficient of kinetic friction Figure for WAH #10 V. Friction Friction-less No longer slipping '...
Most questions answered within 3 hours.
-
An infinite sheet of charge that has a surface charge density of
39 nC/m2 lies in...
asked 1 hour ago -
After watching the lectures I am still having a hard time
understanding these equations.
1. The...
asked 2 hours ago -
Testing:
H0:μ=56.9
H1:μ<56.9
Your sample consists of 23 subjects, with a mean of 56.3 and
standard...
asked 2 hours ago -
straight wire, labeled as Wire A, lies horizontally on a
tabletop and is oriented to run...
asked 2 hours ago -
For a Chi-Squared Goodness of Fit Test about a uniform
distribution, complete the table.
Round to...
asked 2 hours ago -
Milk of magnesia is only slightly soluble in water. Kc for the
reaction Mg(OHs)(s)>Mg2+(a) + 2OH-1(aq)...
asked 2 hours ago -
Excel's HYPGEOM.DIST function can be used to compute _____.
a. both hypergeometric probabilities and cumulative
hypergeometric...
asked 3 hours ago -
The rocket used for the human lunar missions was the Saturn V
rocket. At liftoff the...
asked 2 hours ago -
1. The East Street Bagel Shop has a weekly demand for 3,500
bagels, which they make...
asked 2 hours ago -
paraphrasing each paragraph
“Where two or more persons knowingly act together unlawfully,
the act of each...
asked 3 hours ago -
The lateral line system in fish is contained which of the
following?
chemoreceptors
photoreceptors
mechanoreceptors
odor...
asked 3 hours ago -
Find the y-intercept of y =-5 x. The y-intercept of y equals
negative 5 x is______...
asked 3 hours ago