Number of results: 7,107
calculus
If a ball is thrown vertically upward with a velocity of 160 ft/s, then its height after t seconds is s = 160t - 16t^2 What is the velocity of the ball when it is 96 ft above the ground on its way up?
Friday, November 14, 2008 at 1:07am by fred
physics- projectile motion
A player passes a basketball to another player who catches it at the same level from which it was thrown. The initial speed of the ball is 7.1 m/s, and it travels a distance of 4.6 m. What was (a) the initial direction of the ball and (b) its time of flight?
Thursday, March 13, 2008 at 10:33pm by Sugarplum
Physics
A conical pendulum is formed by attaching a ball of mass m to a string of length L, then allowing the ball to move in a horizontal circle of radius r. 1. Find an expression for the tension T in the string. (Express your answer in terms of the variables L, m, r and appropriate ...
Wednesday, October 10, 2012 at 8:20pm by Anonymous
algebra
Suppose the ball was 2.74 feet above ground when it was hit. It reached a max. height of 116.3ft when it was approx 215.3 ft away from where he hit the ball. The ball lands after travelling a ground distance of approx 433.1 ft. -- find an equation in form of y=C(x-z1)(x-z2) ...
Saturday, October 8, 2011 at 8:25pm by Jennifer
spanish
"What are the soccer players wearing?" seems to me the good translation. Indeed "LLEVAR" means both to carry and to wear, like PORTER in French.
Friday, May 14, 2010 at 5:16am by Frenchy
physics
A major-league pitcher can throw a ball in excess of 36.2 m/s. If a ball is thrown horizontally at this speed, how much will it drop by the time it reaches a catcher who is 17.0 m away from the point of release? I got -1.08 for the answer but my book is saying its wrong! ...
Sunday, September 23, 2012 at 8:30pm by Shannon
physics
A ball of circumference 71.5 cm and mass 640 g is forced to the bottom of a swimming pool and then released. After initially accelerating upward, it rises at a constant velocity. (The density of water is 103 kg/m3.) (a) Calculate the buoyant force on the ball.
Saturday, March 24, 2012 at 1:48pm by sara
physics-question 7
A baseball is thrown at an angle of 26 degrees relative to the ground at a speed of 22.1 m/s. The ball is caught 39.2327 m from the thrower. The acceleration due to gravity is 9.81 m/s2 . How high is the tallest spot in the balls path? Answer in units of m
Tuesday, November 1, 2011 at 7:17pm by kelly
physics
A basketball of mass 0.602 kg is passed to a player of mass 83.0 kg who jumps off the floor while catching the ball. The player's center of mass is instantaneously at rest just before he catches the ball, which is initially moving at a velocity of 11.5 m/s, directed 30.0&...
Thursday, November 29, 2012 at 10:32pm by Anthony
physics
A baseball player puts a baseball on a batting tee. The baseball bat is able to deliver 400,000 W of power and is in contact with the ball for 0.70 ms and a distance of 1.4 cm. the mass of the ball is 145g. What is the average acceleration?
Wednesday, November 7, 2012 at 10:01pm by S
physics
A ball is released from a hot air balloon moving downward with a velocity of -10.0 meters/second and a height of 1,000 meters. How long did it take the ball to reach the surface of Earth? Given: g = -9.8 meters/second2.
Tuesday, July 10, 2012 at 8:41pm by Dave
physics
140gm baseball travel 39m/s hits bat and travels at 45m/s at 30degree angle above horizontal,ball in contact wiht bat for 1.2ms calculate magnitude of average force on ball by bat
Saturday, January 7, 2012 at 2:25pm by Anonymous
Physics, van de graff generators...
When a small metal ball with a charge is placed in an electrical field supplie dby a van de graff generator, it experiences a force from the generator, and thus it applies a reaction force. But does the ball also apply a force met with a reaction force of the generator? Also, ...
Thursday, June 22, 2006 at 11:27am by TJ
English
1. Tom has tomato sauce on her nose. 2. There is tomato sauce on Tom's nose. (Are both the same?) 3. There are sinks and tall tables in the cooking classroom. 4. The cooking classroom has sinks and tall tables. (Are both the same?) 5. The students are winning the soccer ...
Wednesday, April 3, 2013 at 5:08pm by rfvv
Physics
I've tried a bunch, have no idea. Got the first part, no idea on the second one. A basketball, of mass m = 0.45 kg is dropped, from rest, from a stationary hellicopter at a high altitude. Use g = 9.81 N/kg. (a) If air resistance is negligible, using energy considerations ...
Thursday, May 12, 2011 at 10:02pm by John
French
Alex will go to the library to study and Becca will go play soccer at the park for there weekend
Monday, May 13, 2013 at 9:12pm by Sam
math
2/5 out of 1300 students participated in a soccer game. How many participated. My answer is 520, am I correct. Thanks
Wednesday, October 31, 2012 at 10:37pm by Americal
Math
How many games are played in a soccer competition if there are 7 teams and all teams play each other twice?
Sunday, March 7, 2010 at 10:05pm by Anonymous
math
How many games are played in a soccer competition if there are 7 teams and all teams play each other twice?
Sunday, October 11, 2009 at 1:08pm by jessica
physics
In preparation for shooting a ball in a pinball machine,a spring (K=675N/m) is compressed by 0.0690m relative to its unstrained length. The ball(m=0.600kg) is at rest against the spring at point A.When the spring is released, the ball slides (without rolling) to point B, which...
Sunday, April 1, 2007 at 2:05pm by Coreen please check the answer
physics
1. A basketball player passes the ball to his teammate at an angle of 40degrees above the horizontal. The ball is released 1.5m above the floor at a speed of 5m/s. Find: a) the maximum height reached by the ball from the floor b) the horizontal required to reach the maximum ...
Wednesday, December 7, 2011 at 12:33pm by bella
physics
A 0.55- ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.5 on a frictionless horizontal surface.If the cord will break when the tension in it exceeds 95 , what is the maximum speed the ball can have?
Sunday, October 21, 2012 at 10:24pm by Anonymous
Physics
while running at 7mph directly toward patrick, lisa passes a basketball to him. patrick is stationary when he receives the ball, which is moving at a speed of 49 mph. how fast did lisa throw the ball?
Sunday, October 3, 2010 at 1:18pm by shaniqua
Physics
while running at 7mph directly toward patrick, lisa passes a basketball to him. patrick is stationary when he receives the ball, which is moving at a speed of 49 mph. how fast did lisa throw the ball?
Sunday, October 3, 2010 at 1:18pm by shaniqua
Physics
while running at 7mph directly toward patrick, lisa passes a basketball to him. patrick is stationary when he receives the ball, which is moving at a speed of 49 mph. how fast did lisa throw the ball?
Sunday, October 3, 2010 at 1:18pm by shaniqua
science
A 1.4 kg ball and a 3.0 kg ball are connected by a 1.0 m long rigid, massless rod. The rod is rotating cw about its center of mass at 24 rpm. What torque will bring the balls to a halt in 4.2 s?
Sunday, April 15, 2012 at 4:45pm by james
physics
A 0.23 kg ball of dough is thrown straight up into the air with an initial velocity of 12 m/s.Find the momentum of the ball of dough halfway to its maximum height on the way up.
Thursday, March 15, 2012 at 11:14am by Chris
math
1. An airplane travels 720 mi/hr. How far will it travel in 2 hrs? 2. A ball rolls across a floor at 5 meters per sec. How long will it take for the ball to travel 75 meters.
Monday, February 20, 2012 at 10:27pm by Anonymous
physics
A 0.579 kg basketball is dropped out of a window that is 6.22 m above the ground. The ball is caught by a person whose hands are 1.31 m above the ground. How much work is done on the ball by its weight?
Wednesday, January 25, 2012 at 10:07pm by Sam
physics
A 0.579 kg basketball is dropped out of a window that is 6.22 m above the ground. The ball is caught by a person whose hands are 1.31 m above the ground. How much work is done on the ball by its weight?
Sunday, January 22, 2012 at 8:33pm by Jen
physics
A physics student throws a softball straight up into the air. The ball was in the air for a total of 6.16 s before it was caught at its original position. (a) What was the initial velocity of the ball? (b) How high did it rise?
Monday, January 16, 2012 at 2:15pm by Anonymous
physics
A physics student throws a softball straight up into the air. The ball was in the air for a total of 6.16 s before it was caught at its original position. (a) What was the initial velocity of the ball? (b) How high did it rise?
Monday, January 16, 2012 at 2:15pm by Anonymous
physics
a football punter accelerates from rest to a speed of 8 m/s during the time in which his toe is in contact with the ball (about 0.21 s). If the football has a mass of 0.50 kg, what average force does the punter exert on the ball?
Sunday, November 20, 2011 at 10:05pm by marissa
Physics
What is the velocity at the midway point of a ball able to reach a height y when thrown with an initial velocity v0? (Assume the ball is thrown upward and that up is the positive direction. Use the following as necessary: y and g. )
Sunday, September 4, 2011 at 7:24pm by emily
physics
A fast, measured pitched baseball left the pitcher's hand at a speed of 49.0 m/s. The pitcher was in contact with the ball over a distance of 1.59 m and produced constant acceleration. (a) What acceleration did he give the ball?
Sunday, September 4, 2011 at 8:29am by Adnane
Physics
A ball is thrown straight up that it reaches a max height of 30 meter. How long did it take the ball to go up? How fast was it going when it was 10 meter high from the ground?
Tuesday, July 19, 2011 at 6:26am by Rhea Mae
physics
A 0.620 kg basketball is dropped out of a window that is 6.40 m above the ground. The ball is caught by a person whose hands are 1.61 m above the ground. How much work is done on the ball by its weight?
Tuesday, May 11, 2010 at 3:23pm by Fallon
Physics 1
A 0.620 kg basketball is dropped out of a window that is 6.40 m above the ground. The ball is caught by a person whose hands are 1.61 m above the ground. How much work is done on the ball by its weight?
Wednesday, May 5, 2010 at 5:52pm by Fallon
physics
A small glass bead has been charged to +19 nC. A metal ball bearing 1.0 cm above the bead feels a 0.030 N downward electric force. What is the charge on the ball bearing?
Tuesday, March 23, 2010 at 9:23pm by deb
physics
A billiard ball approaches a cushioned edge of a billiard table with momentum, p. After the collision with the cushion, it bounces straight back with the same amount of momentum in the opposite direction. What is the impulse on the ball?
Thursday, November 19, 2009 at 10:39am by Mota
physics
A bat hits a moving baseball. If the bat delivers a net eastward impulse of 0.7 N-s and the ball starts with an initial horizontal velocity of 3.8 m/s to the west and leaves with a 5.2 m/s velocity to the east, what is the mass of the ball (in grams)?
Wednesday, July 2, 2008 at 10:13pm by Elisa
physics
Two balls have masses 44 kg and 86 kg. The 44 kg ball has an initial velocity of 80 m/s (to the right) along a line joining the two balls and the 86 kg ball is at rest. The 86 kg ball has in initial velocity of −24 m/s. The two balls make a head-on elastic collision ...
Tuesday, August 9, 2011 at 8:44pm by James
Physics
A 0.140 kg baseball traveling 39.0 m/s strikes the catchers mitt, which, in bringing the ball to rest, recoils backward 13cm. Question- What is the average force applied by the ball to the glove? *Sigma Force= mass*acceleration
Monday, June 11, 2012 at 11:12am by Mr. McKee
physics
A pitched ball is hit by a batter at a 45° angle and just clears the outfield fence, 90 m away. Assume that the fence is at the same height as the pitch and find the velocity of the ball when it left the bat. Neglect air resistance.
Saturday, February 25, 2012 at 2:37pm by Tim
physics
Jordan tosses a ball upwards with an initial velocity of 14.0 m/s. What is the displacement in meters of the ball during the first 2.5 seconds after she threw it? (don't include units in the answer, use 10.0 m/s2 for g and use the upward direction as positive)
Wednesday, January 11, 2012 at 9:58pm by jen
Physics
A baseball catcher puts on an exhibition by catching a 0.15-kg ball dropped from a helicopter at a height of 101 m. What is the speed of the ball just before it hits the catcher's glove 1.0 m above the ground? (g = 9.8 m/s2 and ignore air resistance)
Saturday, November 27, 2010 at 1:25pm by Matthew
physics
In a game of basketball, a forward makes a bounce pass to the center. The ball is thrown with an initial speed of 3.9 m/s at an angle of 13.8° below the horizontal. It is released 0.65 m above the floor. What horizontal distance does the ball cover before bouncing?
Tuesday, October 26, 2010 at 11:25pm by alex
physics
In a game of basketball, a forward makes a bounce pass to the center. The ball is thrown with an initial speed of 3.9 m/s at an angle of 13.8° below the horizontal. It is released 0.65 m above the floor. What horizontal distance does the ball cover before bouncing?
Monday, October 25, 2010 at 2:25am by alex
physics
A pitched ball is hit by a batter at a 45-degree angle and just clears the outfield fence, 98 m away. If the fence is at the same height as the pitch, find the velocity of the ball when it left the bat. Ignore air resistance.
Sunday, January 25, 2009 at 8:43pm by Sophia
physicssss
a uniquw type of baskettball is played on the planet zarth. During the game a plyer flies above the basket and drops the ball in from a height of 10m. IF the ball takes 5.0 s to fall find the acceleration due to gravity on zarth.
Monday, September 17, 2007 at 7:53pm by confusedd!HELPP!!!
solid mensuration
103. A billiard ball, aimed at a point A on the edge of the cushion of a horizontal billiard table, rolls along a line making 18 degrees with the cushion. If the cushion over hangs so that its edge is 4 cm. above the table and the diameter of the ball is 5 cm. find the ...
Saturday, May 12, 2012 at 7:00pm by apolonio
physics
The figure shows a golf ball passing through a windmill at a miniature golf course. The windmill has 8 blades and rotates at an angular speed of 2.02 rad/s. The opening between successive blades is equal to the width of a blade. A golf ball of diameter 3.27 x 10-2 m is just ...
Thursday, March 8, 2012 at 1:41am by Andrew
physics
A football on the moon (1/6 earth's gravity) is kicked straight up with an initial velocity of +14.5 m/s. If it starts 2.7 m above the surface, how much time has passed until it is 16.8 m above the surface and on its way down?
Saturday, November 20, 2010 at 8:01pm by sandhu
Science
A golf ball is hit at ground level. The ball is observed to reach its maximum height above ground level 2.2 s after being hit. 1.3 s after reaching this maximum height, the ball is observed to barely clear a fence that is 780 ft from where it was hit. The acceleration of ...
Wednesday, October 26, 2011 at 9:03pm by Jahn
Physics
A solid ball and a hollow ball, each with a mass of 2 kg and radius of 0.1 m, start from rest and roll down a ramp of length 2 m at an incline of 34°. An ice cube of the same mass slides without friction down the same ramp. What is the speed of the solid ball at the bottom...
Monday, June 18, 2012 at 6:39pm by James
Math
I have two problems (listed below): 1.The profit P (in hundreds of dollars) that a company makes depends on the amount x (in hundreds of dollars) the company spends on advertising according to the model P = 230 + 20x -0.5x^2. What expenditure for advertising will yield a ...
Tuesday, March 4, 2008 at 9:48pm by Danielle
physics
if a football kicked at ground level at 24.4 m/s at a 24 degree angle from horizontal. how long does it take for the football to hit the ground
Wednesday, October 10, 2012 at 8:58pm by quadlo
physics
suppose you took a 3m long piece of the fishing line discussed ( the line has a test strength of 125lbs) attached a 2.5 kg ball to the end, and spun it overhead. at what speed of the moving ball would the line break?
Thursday, July 19, 2012 at 7:16pm by lynn
physical
A ball is thrown from the window of a high-rise building with an initial velocity of 7.7 m/s at an angle of 34 deg. below the horizontal. The bill strikes the ground 4.2 seconds after being thrown. Find the height from which the ball was thrown.
Saturday, October 15, 2011 at 5:26pm by Anonymous
phy
A ball is thrown from the window of a high-rise building with an initial velocity of 6.1 m/s at an angle of 32 deg. below the horizontal. The bill strikes the ground 4.4 seconds after being thrown. Find the height from which the ball was thrown.
Wednesday, October 6, 2010 at 6:17pm by Anonymous
mathematics
How many games are played in a women's soccer conference if there are eight teams and all teams play each other twice?
Friday, February 5, 2010 at 5:35pm by anonymous
physics
a .45 kg ball attached to the end of a horizontal cord is rotated in a circle of radius 1.3 m on a frictionless horizontal surface. if the cord will break when the tension in it exceeds 75N what is the maximum speed the ball can have?
Monday, May 6, 2013 at 7:53am by Anonymous
physics
A 0.40kg ball, attached to the end of a horizontal cord, is rotated in a circle of radius 2.1m on a frictionless horizontal surface.If the cord will break when the tension in it exceeds 80N , what is the maximum speed the ball can have?
Sunday, June 17, 2012 at 8:37pm by Anonymous
Physics
A 0.40-kg ball, attached to the end of a horizontal cord, is rotated in a circle of radius 2.0-m on a frictionless horizontal surface. If the cord will break when the tension in it exceeds 75-N, what is the maximum speed the ball can have?
Thursday, June 14, 2012 at 11:16am by Mike
Physics
A string 1.5 m long breaks when its tension is 100 N. a. What is the greatest speed with which the ball can be moved around a horizontal circle if the ball has a mass of 2 kg? b. Find the speed for the same setup, but for a vertical circle.
Wednesday, May 30, 2012 at 1:32pm by Dawnn Oneil
Physics
You throw a ball straight down from an apartment balcony to the ground below. The ball has an initial velocity of 5.20 m/s, directed downward, and it hits the ground 2.10 s after it is released. Find the height of the balcony.
Tuesday, January 31, 2012 at 8:37pm by Haze
PHYSICS PLEASE HELP!!
A tennis ball of mass= 0.058 kg and speed= 19 m/s strikes a wall at a 45 degree angle and rebounds with the same speed at 45 degrees. What is the magnitude of the impulse given to the ball?
Sunday, November 20, 2011 at 6:04pm by Mel
physics
You throw a ball straight down from an apartment balcony to the ground below. The ball has an initial velocity of 5.25 m/s, directed downward, and it hits the ground 1.94 s after it is released. Find the height of the balcony.
Tuesday, September 13, 2011 at 11:14pm by Nour
physics
a) Apply conservation of momentum to the ball-racket impact. b) Your units for the contact time (meters) do not make sense. Did you mean milliseconds? Anyway, use (ball's momentum change) = impulse = force * time
Monday, November 29, 2010 at 6:09pm by drwls
Physics
In a completely elastic collisions a ball with speed of 4 m/s and mass of 100 g hits another ball with mass of 200 g, which is originally at rest. Collision is central. Calculate the velocity of both balls just after the collision.
Thursday, September 30, 2010 at 10:26am by winget
physics
A ball is thrown horizontally from a 15m -high building with a speed of 8.0m/s. How far away from the base of the building does the ball hit the gnd. I'm needing help setting this up. I know change of Y is -15m, and the "a" is -9.8m/s^2, but i get lost from there...
Sunday, September 26, 2010 at 9:16am by danny
Calc
If a ball is thrown vertically upward from the roof of 48 foot building with a velocity of 32 ft/sec, its height after t seconds is s(t)=48+32t16t2. What is the maximum height the ball reaches?
Sunday, April 18, 2010 at 1:57pm by Adam
Physics 11th Grade
A foam ball of a mass of 0.150 g carries a charge of -2.00 nC. The ball is in a uniform electric field, and is suspended against the force of gravity. What are the magnitude and direction of the electric field?
Thursday, April 15, 2010 at 10:15pm by Adam
PHYSICS-repost
A small glass bead has been charged to +19 nC. A metal ball bearing 1.0 cm above the bead feels a 0.030 N downward electric force. What is the charge on the ball bearing?
Tuesday, March 23, 2010 at 11:16pm by deb
physics
Two balls, of masses = .029 kg and = .06 kg, are suspended. The lighter ball is pulled away to a 60 degree angle with the vertical and released. What is the speed of the lighter ball before impact?
Thursday, March 11, 2010 at 11:13am by Anonymous
Physics
A person swings a 0.33 kg tether ball tied to a 5.4 m rope in an approximately horizontal circle. (a) If the maximum tension the rope can withstand before breaking is 11 N, what is the maximum angular speed of the ball?
Sunday, March 7, 2010 at 7:01pm by John
Physics
You throw a ball straight down from an apartment balcony to the ground below. The ball has an initial velocity of 4.50 m/s, directed downward, and it hits the ground 2.04 s after it is released. Find the height of the balcony.
Wednesday, February 24, 2010 at 1:48pm by Delilah
physics
A man can throw a ball a maximum horizontal distance of 149 m. The acceleration of gravity is 9.8 m/s2 . How far can he throw the same ball verti- cally upward with the same initial speed? Answer in units of m.
Thursday, January 28, 2010 at 5:54pm by sally
physics
A man can throw a ball a maximum horizontal distance of 97.8 m. The acceleration of gravity is 9.8 m/s2 . How far can he throw the same ball verti- cally upward with the same initial speed? Answer in units of m.
Wednesday, November 25, 2009 at 6:10pm by Letisha
physics
a .45kg ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.3m on a frictionless horizontal surface. if the cord will break when the tension in it exceeds 75 N, what is the maximum speed the ball can have?
Tuesday, November 3, 2009 at 9:26pm by Sasha
Physics - HELP
A 0.40 kg ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.5 m on a frictionless horizontal surface. The cord will break when the tension in it exceeds 61 N. What is the maximum speed the ball can have?
Tuesday, October 27, 2009 at 6:56pm by Anonymous
AP Physics
A girl is whirling a ball on a string around her head in a horizontal plane. She wants to let go at precisely the right time so that the ball will hit the target on the other side of the yard. When should she let go of the string?
Thursday, September 24, 2009 at 2:35am by Henry
physics
a rubber ball is dropped from a height of 5m. After the 5th bounce, the ball only comes back up to 0.76m in height/ Find the percentage loss of kinetic energy for each individual bounce.
Thursday, March 12, 2009 at 11:06pm by Sam
Physics
A ball of mass 3kg is tied to a rope with a length of 1.3m. If the ball is spun at a rate of 300rpm's, find the tension on the rope, the centripetal force, and the centripetal acceleration. Please help, I have a test on it tomorrow.
Tuesday, November 18, 2008 at 10:54pm by Kiley
grammar
Thank you for using the Jiskha Homework Help Forum. First of all, active voice has a subject which is usually a person. Bill threw the ball. The passive voice does not have a person involved The ball was thrown. (You do not know by WHOM.)
Thursday, May 8, 2008 at 11:27pm by SraJMcGin
PHYSICS
Long, long ago, on a planet far, far away, a physics experiment was carried out. First, a 0.250 kg ball with zero net charge was dropped from rest at a height of 1.00 m. The ball landed 0.350 s later. Next, the ball was given a net charge of 7.60 muC and dropped in the same ...
Monday, February 13, 2012 at 5:35am by DAVE
physical
http://www.essortment.com/all/americanfootbal_rwff.htm http://www.all-soccer-info.com/
Tuesday, November 16, 2010 at 9:46am by Ms. Sue
physics
A pitcher throws a baseball to a batter at 95 mph from a distance, d, away. The batter swings and hits the ball. (5280 ft = 1 mi, g = 32.174 ft/s/s). a) Assuming the pitch travels the full distance, d, how much reaction time does the batter have to hit the ball? b) What ...
Monday, October 31, 2011 at 7:14pm by Skyler
Calculus help!
A ball is shot into the air from a bridge, and its height, y, in feet, above the ground t seconds after it is thrown is given by y=f(t) = −16t2 + 55t + 33. What is the average velocity of the ball during the first second? Round your answer to two decimal places.
Wednesday, February 6, 2013 at 11:00am by Jackie
physics
1. If m1= 3kg and m2= 2kg then find acceleration and tension action on the system. 2. A batsman deflects a ball by an angle 45 degree without changing its initial speed which is equal to 54km/hr.What is the impulse imparted to the bal.(mass of the ball is .15kg)
Tuesday, August 14, 2012 at 12:22pm by Mona
Physics
A football player carrying the ball runs straight ahead at the line of scrimmage and directly into a wall of defensive linemen. The ball carrier has an initial speed of 8.48 m/s and is stopped in a time interval of 0.186 s. Find the magnitude and direction of his average ...
Thursday, January 26, 2012 at 8:06pm by Aaron
physics
Part 1: A ball is thrown horizontally from the top of a building 28.6 m high. The ball strikes the ground at a point 80.3 m from the base of the building. The acceleration of gravity is 9.8 m/s^2. Find the time the ball is in motion. Answer in units of s. Part 2: Find the ...
Monday, October 25, 2010 at 10:54pm by autumn
Physics
The potential energy of a golf ball in a hole is negative with respect to the ground. Under what circumstances (if any) is the ball's kinetic energy negative? It's rest energy?
Thursday, December 31, 2009 at 11:36am by Aly
math
a. A box contains three white balls and two red balls. A ball is drawn at random from the box and not replaced. Then a second ball is drawn from the box. Draw a tree diagram for this experiment and find the probability that the two balls are of different colors b. Suppose that...
Saturday, October 9, 2010 at 11:45pm by Anonymous
math
a soccer player scored 41 goal in 84 games.express the payers scoring rat as a unit rte rounded to the nearest thousandth
Wednesday, November 10, 2010 at 9:25pm by danashia
journalism
You're right, this is not a good opinion piece because your arguments are all personal. In the body of your paper explain why it will help the students and your school to have a soccer team.
Monday, October 6, 2008 at 8:14pm by Ms. Sue
statistics
An Urn contains 7 red and 3 white balls. Two balls are drawn in succession without replacement. If the second ball is white, what is the probability that the first ball was white?
Tuesday, December 7, 2010 at 5:11pm by Emily
Physics
If you can throw a ball vertically upward to a height h = 30.1 m, what is the maximum horizontal range over which you can throw the same ball, assuming you throw it at the same initial speed
Sunday, September 12, 2010 at 7:45pm by Emily
Physics
If you can throw a ball vertically upward to a height h = 30.5 m, what is the maximum horizontal range over which you can throw the same ball, assuming you throw it at the same initial speed?
Monday, February 8, 2010 at 7:38pm by Katie
physics
a ball rolls horizontally with a speed of 7.6 m/s off the edge of a tall platform. if the ball lands 8.7 m from the point on the ground directly below the edge of the platform, what is the height of the platform?
Tuesday, January 1, 2008 at 8:16pm by melissa
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