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April 20, 2014

Search: A 66.0 kg person throws a 0.0420 kg snowball forward with a ground speed of 28.0 m/s. A second person, with a mass of 55.0 kg, catches the snowball.

Number of results: 35,101

physics
A 66.0-kg person throws a 0.0450-kg snowball forward with a ground speed of 35.0 m/s. A second person, with a mass of 57.0 kg, catches the snowball. Both people are on skates. The first person is initially moving forward with a speed of 2.40 m/s, and the second person is ...
Sunday, October 16, 2011 at 12:55am by Anonymous

physics
A(n) 86.6 kg person throws a(n) 0.06 kg snow- ball forward with a ground speed of 42.3 m/s. A second person, of mass 41.5 kg, catches the snowball. Both people are on skates. The first person is initially moving forward with a speed of 2.06 m/s, and the second person is ...
Monday, June 24, 2013 at 3:06pm by redwolf

physics
A 68.0 kg person throws a 0.0450 kg snowball forward with a ground speed of 27.0 m/s. A second person, with a mass of 58.0 kg, catches the snowball. Both people are on skates. The first person is initially moving forward with a speed of 2.50 m/s, and the second person is ...
Monday, March 28, 2011 at 11:17pm by Alexandria

physics
A 69.0 kg person throws a 0.0410 kg snowball forward with a ground speed of 35.0 m/s. A second person, with a mass of 60.0 kg, catches the snowball. Both people are on skates. The first person is initially moving forward with a speed of 2.00 m/s, and the second person is ...
Thursday, June 2, 2011 at 2:36pm by sam

physics
A 69.0 kg person throws a 0.0410 kg snowball forward with a ground speed of 35.0 m/s. A second person, with a mass of 60.0 kg, catches the snowball. Both people are on skates. The first person is initially moving forward with a speed of 2.00 m/s, and the second person is ...
Thursday, June 2, 2011 at 9:13pm by sam

Physics
Ann, a 66.1 kg person throws a 0.0460 kg snowball forward with a ground speed of 31.7 m/s. Billy, with a mass of 60.5 kg, catches the snowball. Both people are on skates. Ann is initially moving forward with a speed of 2.29 m/s, and Billy is initially at rest. After the ...
Wednesday, October 17, 2012 at 12:54pm by Megan

Physics URGENT!!!
Ann, a 66.1 kg person throws a 0.0460 kg snowball forward with a ground speed of 31.7 m/s. Billy, with a mass of 60.5 kg, catches the snowball. Both people are on skates. Ann is initially moving forward with a speed of 2.29 m/s, and Billy is initially at rest. After the ...
Monday, October 15, 2012 at 5:34pm by Anonymous

Physics URGENT!!!
Ann, a 66.1 kg person throws a 0.0460 kg snowball forward with a ground speed of 31.7 m/s. Billy, with a mass of 60.5 kg, catches the snowball. Both people are on skates. Ann is initially moving forward with a speed of 2.29 m/s, and Billy is initially at rest. After the ...
Monday, October 15, 2012 at 6:59pm by Anonymous

Physics URGENT!!!
Ann, a 66.1 kg person throws a 0.0460 kg snowball forward with a ground speed of 31.7 m/s. Billy, with a mass of 60.5 kg, catches the snowball. Both people are on skates. Ann is initially moving forward with a speed of 2.29 m/s, and Billy is initially at rest. After the ...
Monday, October 15, 2012 at 11:46pm by Anonymous

Physics
Please help I've attempted this problem various ways and I can't seem to get the correct answer. A 69.0 kg person throws a 0.0410 kg snowball forward with a ground speed of 35.0 m/s. A second person, with a mass of 60.0 kg, catches the snowball. Both people are on skates. The ...
Friday, June 3, 2011 at 12:03am by Kristen

Physics
Please help I've attempted this problem various ways and I can't seem to get the correct answer. A 69.0 kg person throws a 0.0410 kg snowball forward with a ground speed of 35.0 m/s. A second person, with a mass of 60.0 kg, catches the snowball. Both people are on skates. The ...
Friday, June 3, 2011 at 12:03am by Kristen

physics
65.0-kg person throws a .045kg snowball forward with a ground speed of 30.0 m/s. a second person with a mass of 60.0-kg catches the snowball. both people are on skates. the first person is intially moving forward wit ha speed of 2.50 m/s and the second person is initially at ...
Tuesday, November 2, 2010 at 10:16pm by bailey

Physics
A 70 kg person is riding on a frictionless skateboard at 5 m/s. A friend facing him throws a 5 kg ball toward him at 20 m/s. What is his final speed after catching the ball?
Tuesday, January 28, 2014 at 11:32am by Anonymous

Physics 1
(II) How close to the edge of the 20.0-kg table shown in Fig. 947 can a 66.0-kg person sit without tipping it over?
Monday, August 15, 2011 at 7:01am by Jerome

physics
Running at 2.0 m/s a 45.0 kg person collides with a 90.0 kg person who is traveling at 7.0 m/s in the other direction. Upon collision, the 90 kg person continues to travel forward at 1.0 m/s. How fast is the 45 kg person knocked backwards?
Tuesday, November 29, 2011 at 10:00pm by Jane

physics
To get off a frozen frictionless lake, a 70.0kg person takes off a 0.150-kg shoe and throws it horizontally directly away from the shore with a speed of 2.00m/s. If the person is 5.0 m from the shore, how long does it take for him to reach it?
Monday, February 4, 2008 at 1:12pm by melissa

math
66 66 66 .... 66 , (15 of those) or 66 66 ... 65 67 .. 66 (13 of the 66's and the 65 and 67) or how about 32 33 34 35 36 37 38 66 94 95 96 97 98 99 100
Sunday, October 7, 2012 at 8:54pm by Reiny

Physics.
A stationary 100-kg person is initially holding a 50-kg ball while standing on a skateboard. The person throws the ball to the right, and the ball moves (with respect to the ground) with a speed of 12 m/s. The person on the skateboard ____________. A. moves to the left with a ...
Thursday, February 27, 2014 at 2:56pm by Jammie K.

physics
A 66.5 kg ice skater moving to the right with a velocity of 2.72 m/s throws a 0.104 kg snow- ball to the right with a velocity of 40.3 m/s relative to the ground. What is the velocity of the ice skater after throwing the snowball? Disregard the friction between the skates and ...
Wednesday, December 5, 2012 at 6:02pm by Jill

physics
To get off a frozen frictionless lake, a 70.0 kg person takes off a 0.150 kg shoe and throws it horizontally directly away from the shore with a speed of 2.00 m/s. If the perrson is 5.00 m from the shore, how long does it take for her to reach it?
Friday, February 12, 2010 at 3:26pm by Anonymous

physics
Force up on 66 kg mass = T Force down on 66 kg mass = 66(9.8 ) net force up on 66 kg = T-66(9.8) F = m a T -66(9.8) = 66 a a is down Force down on 82 kg mass = 82(9.8) Force up on 82 kg mass = T net force down on 82 kg = 82(9.8) -T F = m a 82(9.8) - T = 82 a combine by ...
Wednesday, January 26, 2011 at 4:12pm by Damon

physics
a person throws a ball 10m away from a step,having im height and width,he throws it with a velocity of 20m/s wit an angle of 30 degrees,in which step it falls?
Tuesday, September 6, 2011 at 11:39pm by nithin

question
the way you worded the question it simply becomes 1+1+1+1+... = 66 clearly 66 ones are needed, so after 66 stations the bus is full if you meant 1st station one person gets one, on the 2nd station two people get on, on the third 3 people get on, etc then it becomes a sequence/...
Wednesday, January 21, 2009 at 10:00am by Reiny

math
first you have to convert 176pounds to kg, then we know that 50mg/kg/day so this person weights 78.2 kg. (176/2.25) so that means every capsules contain 250mg to cover 4kg of this person. so this person has to take at least 20pills/day. :)
Saturday, March 1, 2008 at 7:52pm by No name

physics
Ann, a 59.2 kg person throws a 0.0435 kg snowball forward with a ground speed of 39.5 m/s. Billy, with a mass of 63.5 kg, catches the snowball. Both people are on skates. Ann is initially moving forward with a speed of 2.22 m/s, and Billy is initially at rest. After the ...
Sunday, October 21, 2012 at 9:19pm by Anonymous

physics )':
A 66.5 kg ice skater moving to the right with a velocity of 2.80 m/s throws a 0.16 kg snowball to the right with a velocity of 20.4 m/s relative to the ground. (a) What is the velocity of the ice skater after throwing the snowball? Disregard the friction between the skates and...
Thursday, December 15, 2011 at 8:16pm by Allison

physics
A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total mass of the wagon, rider, and rock is 94.0 kg. The mass of the rock is 0.350 kg. Initially the wagon is rolling forward at a speed of 0.520 m/s. ...
Saturday, October 22, 2011 at 1:57pm by Sam

physics
A 66.5 kg ice skater moving to the right with a velocity of 2.09 m/s throws a 0.14 kg snowball to the right with a velocity of 22.5 m/s relative to the ground. (a) What is the velocity of the ice skater after throwing the snowball? Disregard the friction between the skates and...
Sunday, November 3, 2013 at 11:17pm by Katie

Physics 11
Two people start running from rest. The first person has a mass of 59 kg and is wearing dress shoes with a coefficient of static friction of 0.52. The other person is wearing running shoes with a coefficient of static friction of 0.66. Explain why we do not really need the ...
Sunday, March 31, 2013 at 6:02pm by Anonymous

science
30 kg is the person's mass, not the weight. A kilogram is not a weight dimension. Mass does not depend upon the local acceleration of gravity An adult with a mass of 30 kg would be severely underweight amd malnourished. There is such a thing as a kilogram of force(weight) but ...
Sunday, January 8, 2012 at 3:24am by drwls

Physics
Two people are standing on a 2.2-m-long platform, one at each end. The platform floats parallel to the ground on a cushion of air, like a hovercraft. One person throws a 6.1-kg ball to the other, who catches it. The ball travels nearly horizontally. Excluding the ball, the ...
Friday, October 24, 2008 at 7:25am by Z

Math
Let the original price be P (1.00 - 0.35) P = 66.66 0.65 P = 66.66 P = 66.66/0.65 = 102.55
Sunday, August 3, 2008 at 1:02am by drwls

phys2
A 60-kg astronaut is in space, far from any objects that would exert a significant gravitational force on him. He would like to move toward his spaceship, but his jet pack is not functioning. He throws a 720-g socket wrench with a velocity of 5 m/s in a direction away from the...
Saturday, March 17, 2012 at 4:48pm by opp

physics
A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total mass of the wagon, rider, and rock is 95 kg. The mass of the rock is 0.34 kg. Initially the wagon is rolling forward at a speed of 0.50 m/s. Then ...
Friday, November 4, 2011 at 12:43pm by Meagan

Physics
A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total mass of the wagon, rider, and rock is 94 kg. The mass of the rock is 0.27 kg. Initially the wagon is rolling forward at a speed of 0.49 m/s. Then ...
Tuesday, October 8, 2013 at 8:43pm by Dreama

physics
The mass of the man is 650/9.8 =66.33 kg. Theweight on the star is P = GMm/R^2 = = 6.6710^-111.9910^3066.33/(7500)^2 = = 1.5710^14 kg
Thursday, March 29, 2012 at 1:53pm by Elena

Math
Well, one set would be: everyone gets 66! Then, if you just start adjusting some scores, adding and subtracting the same amounts here and there, the total does not change, so the average does not change. For example, 66 66 66 66 66 ... 64 68 65 67 70 62 ...
Tuesday, September 20, 2011 at 8:18pm by Steve

chem/phys
mass body = 66.5 kg = 66,500 g. mass H2O = 66,500 x 0.62 = ? mols H2O = ?g/18 = ? Then remember 1 mol contains 6.02E23 molecules.
Wednesday, April 25, 2012 at 5:30pm by DrBob222

AP Physics - Linear Momentum
During a Chicago storm, winds can whip horizontally at speeds of 100 km/h. If the air strikes a person at the rate of 40 kg/s per square meter and is brought to rest, estimate the force of the wind on a person. Assume the person is 1.50m high and 0.50m wide. Compare to the ...
Friday, October 16, 2009 at 1:23am by Henry

College Algebra 2
The number of kilograms of water in the human body varies dirctly as the mass of the body. An 84-kg person contains 64-kg of water. How many kg of water is in a 63-kg person?
Sunday, September 25, 2011 at 9:51pm by Francine

physics
a 20.0 kg child on an 80 kg boat throws a 5 kg package horizontally with a speed of 10 m/s. Calculate the resulting density of the boat, assuming it was initially set at rest.
Monday, January 31, 2011 at 3:07pm by willy n

Physics
An outfielder throws a 0.145 kg baseball to the shortstop with a speed of 30 m/s at an angle of 20 degrees above the horizontal. How far does the ball travel? (Assume the shortstop catches it at about the same height that the outfielder throws it.)
Thursday, September 27, 2012 at 9:07pm by Nick

MAth
ANSWER: 27 Free Throws IF Jill Makes 6 free throw shots out of every ten she attempts, how many will she make if she attempts..... A-60 Free throws? B-36 Free Throws? C-45 free throws?
Sunday, February 20, 2011 at 9:20pm by Taylor

AP Physics
Hi, I have the follwoing physics question to ask, Plesae help with hints. "Two people are standing on a 2.5-m-long platform, one at each end. The platform floats parallel to the ground on a cushion of air, like a hovercraft. One person throws a 5.9-kg ball to the other, who ...
Wednesday, November 4, 2009 at 11:28am by Indi

physics 101
A 72.9 kg man is standing on a frictionless ice surface when he throws a 1.6 kg book at 11 m/s.
Tuesday, March 9, 2010 at 1:37pm by Scott

Physics
At a city park, a person throws some bread into a duck pond. Two 4.00-kg ducks and a 9.00-kg goose paddle rapidly toward the bread, as shown in our sketch (Intro 1 figure) . If the ducks swim at 1.10 m/s, and the goose swims with a speed of 1.30 m/s, the total momentum of the ...
Sunday, March 25, 2012 at 10:54pm by William

Physics
A boy is standing on a skateboard holding two 5.0 kg bowling balls. Initially they are moving to the left at a speed of 3.0 m/s. At one point the boy throws one ball to the right at 4.0 m/s causing his speed to increase. Before he can slow down, he throws the second ball to ...
Thursday, November 29, 2012 at 7:48pm by Jordan

Physics 141
A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total mass of the wagon, rider, and rock is 93.0 kg. The mass of the rock is 0.320 kg. Initially the wagon is rolling forward at a speed of 0.520 m/s. ...
Tuesday, March 11, 2014 at 9:51pm by dakota22

College Physics
A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total mass of the wagon, rider, and rock is 96.5 kg. The mass of the rock is 0.250 kg. Initially the wagon is rolling forward at a speed of 0.460 m/s. ...
Thursday, October 14, 2010 at 1:28pm by Jordan

Physics
A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total mass of the wagon, rider, and rock is 97.0 kg. The mass of the rock is 0.320 kg. Initially the wagon is rolling forward at a speed of 0.540 m/s. ...
Sunday, October 14, 2012 at 4:27pm by Sara

physics
A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total mass of the wagon, rider, and rock is 96.5 kg. The mass of the rock is 0.250 kg. Initially the wagon is rolling forward at a speed of 0.460 m/s. ...
Friday, October 15, 2010 at 6:58pm by Sarah

chemistry
3.5 mg/kg x 21 kg = ? mg drug every 6 hours. Then ?mg/6 hrs x 66 hours = x total in 66 hours.
Monday, January 30, 2012 at 10:50am by DrBob222

URGENT Physics PLEASE help
5. A 1,600 kg car is moving south at 24 m/s. What is its momentum? (Points : 1) 66 kgm/s south 66 kgm/s north 38,000 kgm/s north 38,000 kgm/s south Question 6. 6. The velocity of a 150 kg cart changes from 6.0 m/s to 14.0 m/s. What is the magnitude of the impulse that acted on...
Monday, January 27, 2014 at 2:31pm by Anon

holt physics
a 90.0 kg person stands 1.00 m from a 60.0 kg person sitting on a bench nearby. what is the magnitude of the gravitalional force between them?
Monday, May 17, 2010 at 9:21pm by tiera

Physics
A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total mass of the wagon, rider, and rock is 92.5 kg. The mass of the rock is 0.310 kg. Initially the wagon is rolling forward at a speed of 0.550 m/s. ...
Monday, October 22, 2012 at 8:40pm by Elizabeth

Physics
To hoist himself into a tree, a 66.0-kg man ties one end of a nylon rope around his waist and throws the other end over a branch of the tree. He then pulls downward on the free end of the rope with a force of 366 N. Neglect any friction between the rope and the branch, and ...
Wednesday, September 29, 2010 at 6:19pm by Xavier

physics
To hoist himself into a tree, a 66.0-kg man ties one end of a nylon rope around his waist and throws the other end over a branch of the tree. He then pulls downward on the free end of the rope with a force of 366 N. Neglect any friction between the rope and the branch, and ...
Thursday, September 30, 2010 at 5:55pm by zay

algebra
First convert both fractions to fractions with a common denominator. 1/11 = 6/66 5/6 = 55/66 6/66 + 55/66 = 61/66
Friday, November 18, 2011 at 10:45pm by Ms. Sue

math
If 3m 66m mean 3 m 66 cm then: 3 m 66 cm = 3.66 m L = Longer piece S = Shorter piece L = 2 S L + S = 3.66 m 2 S + S = 3.66 m 3 S = 3.66 m Divide both sides by 3 S = 3.66 m / 3 S = 1.22 m = 1 m 22 cm L = 2 S = 2 * 1.22 m = 2.44 m = 2 m 44 cm
Wednesday, March 20, 2013 at 11:04pm by Bosnian

physics
Child X throws 0.5 kg of Play Dough at Child Y at 0.40 m/s at the same time that Child Y throws 0.8 kg of Play Dough at Child X at 0.20 m/s. The two masses of Play Dough collide and stick. What is the resulting speed and direction of the Play Dough? What are the kinetic ...
Tuesday, October 30, 2012 at 1:15am by unknown

Physics - Momentum
A child in a boat throws a 5.60 kg package out horizontally with a speed of 10.0 m/s. Calculate the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 22.0 kg and that of the boat is 55.0 kg.
Wednesday, December 9, 2009 at 6:15pm by DJ

physics
brandi is 60 kg she is outside her spaceship taking pictures when her line slips off her belt. She throws her 4 kg camera in the opposite direction at 5. 0 m/s. how fast will she move toward her ship?
Thursday, May 26, 2011 at 6:52pm by irvin

Physical Science
A boy throws a 4-kg pumpkin at 8 m/s to a 40-kg girl on roller skates, who catches it. At what speed does the girl then move backward?
Sunday, September 11, 2011 at 4:28pm by Help

Physical Science
A boy throws a 4-kg pumpkin at 8 m/s to a 40-kg girl on roller skates, who catches it. At what speed does the girl then move backward?
Sunday, September 11, 2011 at 6:39pm by Jason

physics
starting at rest on frictionless ice, a 50 kg person applies a constant 150 Newton force on a 75 kg person. The duration of the push is .15 seconds. At what speed does each of them end up moving?
Saturday, November 12, 2011 at 4:29pm by Anonymous

Science
A child in a boat throws a 5.30 kg package out horizontally with a speed of 10 m/s, see the figure. Calculate the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 26.0 kg and that of the boat is 55.0 kg What is the magnitude?
Thursday, October 20, 2011 at 10:58pm by kago

Physics
At the bottom of the loop, the apparent weight is 1970 = (Weight) + (Centripetal force) = 650 + M*V^2/R M = W/g = 66.33 kg 1320 = 66.33*V^2/17 Solve for V. It will be in m/s
Tuesday, February 12, 2013 at 11:08pm by drwls

physics
A child in a boat throws a 6.00 kg package out horizontally with a speed of 12.0 m/s, Fig. 7-28. Calculate the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 25.0 kg and that of the boat is 50.0 kg. Magnitude ___m/sDirection
Sunday, March 13, 2011 at 11:52am by joe

Physical Science
A boy throws a 4-kg pumpkin at 8 m/s to a 40-kg girl on roller skates, who catches it. At what speed does the girl then move backward? *I dont understand how to work them*
Sunday, September 11, 2011 at 10:07pm by Jason (please help)

Physics
A person of mass 55 kg stands at the center of a rotating merry-go-round platform of radius 3.4 m and moment of inertia 670 kgm2. The platform rotates without friction with angular velocity 1.0 rad/s. The person walks radially to the edge of the platform. (a) Calculate the ...
Sunday, January 23, 2011 at 11:25pm by Sierra

algebra
The number of kilograms W of water in a human body varies directly to the mass of body. A 96-kg person contains 64 kg of water. How many kilograms of water are in a 60-kg person?
Monday, June 10, 2013 at 9:49pm by Anonymous

physics
A person throws a 2.5 lb stone into the air with an initial upward speed of 15 ft/s. Make a free-body diagram for this stone (a) after it is free of the persons hand and is traveling upward, (b) at its highest point, (c) when it is traveling down ward, and (d) while it is ...
Wednesday, February 1, 2012 at 1:24pm by joe

Physics
A 90 kg person stands on the ground before jumping vertically upward. If momentum is truly conserved in all closed isolated systems, then the Earth-person system should conserve momentum. If the person jumps with a speed of 3.5 m/s, what is resulting speed of the Earth in the ...
Sunday, December 4, 2011 at 6:35pm by JuJu

math
A basketball player has made 135 free throws in 180 attempts. Of the next 50 free throws attempted, how many would she have to make to raise her percent of free throws made by 5%?
Wednesday, July 15, 2009 at 5:26pm by Jessie

MATH156
A basketball player has made 135 free throws in 180 attempts. Of the next 50 free throws attempted, how many would she have to make to raise her percent of free throws made by 5%?
Sunday, February 21, 2010 at 10:50am by purple

math
A basketball player has made 135 free throws in 180 attempts. Of the next 50 free throws attempted, how many would she have to make to raise her percent of free throws made by 5%?
Wednesday, August 11, 2010 at 11:26pm by Sarah

Physics
A child in a boat throws a 5.40 kg package out horizontally with a speed of 10.0 m/s, Fig. 7-31. Calculate the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 25.0 kg and that of the boat is 40.0 kg.
Thursday, April 14, 2011 at 11:50pm by Brittney

Physics
a 60 kg person falls off a 15 kg sled moving at 2 m/s. The person doesn't move after falling. Assuming no friction with the ice, and not other net forces acting on the sled, what is the change in velocity of the sled after the person falls off.
Thursday, December 16, 2010 at 8:04pm by Sophie

math
220 lb = 100 kg. The dose recommendation of 0.1 ml/kg applies to each kg of a person's mass. Therefore multiply 0.1 ml/kg by 100 kg.
Sunday, March 2, 2008 at 11:11pm by drwls

math
I suppose you mean "22% of what number gives 66" Since 66 equals 22% of a certain number, that number can be calculated by ividing 66 by the percentage, or Number = 66 ÷ 22% = 66 *(100/22) = 300
Friday, June 17, 2011 at 10:12am by MathMate

math
12 people are playing in a tennis comprtition.Each person must play one game against each other person.how many games are played altogether ? is it 12^11 divided by 2 = 66 thanks
Wednesday, March 13, 2013 at 8:45pm by wan

Physics
A trapeze artist weighs 8.00 x 10^2 N. The artist momentarily held to one side of a swing by a partner so that both of the swing ropes are at an angle of 30 with the vertical. In such a condition of static equilibrium, what is the horizontal force being applied by the partner...
Wednesday, April 13, 2011 at 9:40pm by Becky

math
Karl Malone made 474 out of 621 free throws attempts and John Stockton made 237 out of 287 free throws attempts. a. what fraction benchmark is near the number of free throws made by each player? b. Estimate the percent of free throws made by each player.
Tuesday, October 16, 2012 at 8:41pm by fanny

childcare
A child throws a ball with speed and accuracy when he throws a ball to his teacher but his throws are slower and less accurate when plays with a group of friends. This difference is explained by A. classical stage theory B. probility theory C. locomotion-x theory D. Piaget`s ...
Saturday, September 8, 2012 at 7:29am by mary

Physics
245 rev/min* 2 pi radians/rev * 1 min/60s = 25.66 radians/second = omega I = (1/12) m L^2 (1/12)(.79)(2.85)^2 I = .535 kg m^2 I omega = P = .535*25.66 = 13.7 kg m^2/s
Monday, November 14, 2011 at 2:04am by Damon

Physics
245 rev/min* 2 pi radians/rev * 1 min/60s = 25.66 radians/second = omega I = (1/12) m L^2 (1/12)(.79)(2.85)^2 I = .535 kg m^2 I omega = L = .535*25.66 = 13.7 kg m^2/s
Monday, November 14, 2011 at 2:04am by Damon

math
if the ratio of free throws made to free throws attempted is 5 to 6 what would be the possible number of free throws made and free throws attempted
Tuesday, March 20, 2012 at 10:23pm by ruben

physics
A person throws a rock straight up into the air. At the moment it leaves the person's hand it is going 88 mph. When the rock reaches its peak, how fast is it going and what is the magnitude and direction of its acceleration? Ignore air drag.
Tuesday, January 25, 2011 at 8:39pm by corbin

Physics
A person throws a rock straight up into the air. At the moment it leaves the person's hand it is going 76 mph. When the rock reaches its peak, how fast is it going and what is the magnitude and direction of its acceleration? Ignore air drag.
Wednesday, August 22, 2012 at 4:29pm by Kathy

physics
A person throws a rock straight up into the air. At the moment it leaves the person's hand it is going 91 mph. When the rock reaches its peak, how fast is it going and what is the magnitude and direction of its acceleration? Ignore air drag
Sunday, August 26, 2012 at 3:20pm by ginny

physics
A 2200-kg sport utility vehicle traveling at 96 km/h can be stopped in 0.21 s if it hits a concrete wall. Assume a 60 kg person was in the car that hit this wall. The velocity of the person equals that of the car both before and after the crash, and the velocity changes in 0....
Monday, December 6, 2010 at 10:03pm by lets go

physics
A 65 kg person runs with a horizontal velocity of 3.5 m/s and jumps onto an 0.9 kg skateboard which is initially at rest. Assuming negligible friction, what will be the final velocity of the skateboard and the person?
Friday, December 3, 2010 at 3:01pm by bob

PHYSICS HELP !!!!!
A 55 kg person runs with a horizontal velocity of 8.0 m/s and jumps onto a 7 kg skateboard which is initially at rest. Assuming negligible friction, what will be the final velocity of the skateboard and the person
Sunday, December 12, 2010 at 3:12pm by Jarrid

Highschool Physics
A 55 kg person runs with a horizontal velocity of 8.0 m/s and jumps onto a 7 kg skateboard which is initially at rest. Assuming negligible friction, what will be the final velocity of the skateboard and the person?
Sunday, December 12, 2010 at 1:58pm by Jarrid

physics
a train is moving at a speed of 5m/s. a person standing on the train throws a ball upwards at 10m/s. at the maximum height of the ball the train stopped. what is the deceleration of the train and what is the distance between the ball and the person finally?
Friday, March 29, 2013 at 10:12am by suvalakshmi

Physics
If 7.00hp are required to drive a 1500-kg automobile at 66.0 km/h on a level road. What power is necessary to drive the car at 66.0 km/h down a 1.00 % grade? It requires 42.9 hp to drive the car at 66.0 km/h up a 10.0 % grade (a hill rising 10.0 m vertically in 100.0 m ...
Wednesday, May 4, 2011 at 3:38am by Allison

physics
If 7.00hp are required to drive a 1500-kg automobile at 66.0 km/h on a level road. What power is necessary to drive the car at 66.0 km/h down a 1.00 % grade? It requires 42.9 hp to drive the car at 66.0 km/h up a 10.0 % grade (a hill rising 10.0 m vertically in 100.0 m ...
Thursday, May 5, 2011 at 3:22am by Allison

physics
Tony (of mass 75 kg) coasts on his bicycle (of mass 15 kg) at a constant speed of 4 m/s,carrying a 14 kg pack. Tony throws his pack forward, in the direction of his motion, at 6 m/s relative to the speed of bicycle just before the throw.What is the initial momentum of the ...
Friday, February 22, 2013 at 5:59am by Anonymous

physics
A 70.8 kg man is standing on a frictionless ice surface when he throws a 2.3 kg book at 10.5 m/s. With what speed does the man move across the ice as a result?
Tuesday, September 27, 2011 at 7:32pm by Olivia

math
Substitute your answer of x = 6 for x in the original problem. Like so: 12(6) - 6 = 11(6) 72 - 6 = 66 66 = 66
Friday, September 28, 2007 at 11:06pm by DrBob222

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