Thursday

July 31, 2014

July 31, 2014

Number of results: 30,491

**Physics**

The acceleration due to gravity on a planet other than the earth has a magnitude of 1.50 m/s2. As in examples 6, 7 and 8, a placekicker kicks a football with an initial speed of 20.3 m/s at an angle of 39.4 ° above horizontal. Assume that the ball is kicked on this other ...
*January 29, 2007 by Jena*

**Physics Honors**

A football is kicked with an initial velocity of 25 m/s at an angle of 45 degrees with the horizontal . Determine the time of flight, the horizontal distance, and the peak height of the long jumper.
*October 23, 2011 by Allison*

**physics**

A soccer ball is kicked off of the ground at 17 ft/sec @ 30 degrees. Determine the maximum height above the ground the ball reaches and how far downfield the ball lands.
*January 20, 2014 by Marina*

**physics**

A rugby player kicks a ball from a ground aiming to get the ball over rhe horizontal bar and betwween the vertical posts. the ball is 50 m away from goal line, directly infront of a goal, and the initial speed of the ball is 25 m/s. The horizontal bar is 3.5 from the ground. ...
*July 29, 2013 by Xolile *

**physics**

A rescue worker pulls an injured skier lying on a toboggan (with a combined mass of 127 kg) across flat snow at a constant speed. A 2.53 m rope is attached to the toboggan at ground level, and the rescuer holds the rope taut at shoulder level. If the rescuer's shoulders are 1....
*April 9, 2014 by kdv*

**trig, math**

A stairway must be built to a deck that is 20 feet above ground level. To the nearest half foot, how far from the base of the deck, on ground level, should the beginning of the stairway be placed so that the stairway forms a 60° angle from the ground?
*June 27, 2013 by Mason*

**Pre-Algebra**

The biggest attraction at the new amusement park, World of Fun, is the huge slide that goes under the ground. To get to the top of the slide, Jon has to climb up a 56-foot ladder. Then he rides the slide to the bottom. Finally, Jon walks through a tunnel to the elevator and ...
*March 10, 2008 by Joy*

**Physics**

A player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 m/s. How far did the ball travel before it hit the ground? Round the answer to the nearest meter.
*April 2, 2013 by Anonymous*

**Physics**

A hot air balloon is ascending straight up at a constnat speed of 7.0 m/s. When th balloon is 12.0 m above the ground, a gun fires a pellet straight up from ground elvel with an initial speed of 30,0 m/s. Along the paths of the balloon and the pellet, there are two places ...
*January 2, 2009 by Anonymous*

**Physics**

A gray kangaroo can bound across level ground with each jump carrying it 8.4m from the takeoff point. Typically the kangaroo leaves the ground at a 23 angle. 1. Provide knowns and unknown values. 2. What is the initial velocity or takeoff speed? 3. What is its maximum height ...
*September 27, 2012 by Yuki*

**physics**

A person standing at the top of a hemispherical rock of radius R = 5.00 m kicks a ball (initially at rest on the top of the rock) to give it horizontal velocity vi. (a) What must be its minimum initial speed if the ball is never to hit the rock after it is kicked? (b) With ...
*February 16, 2011 by Anonymous*

**Physics**

When an electron makes a transition from its first quantum level to ground level, the energy difference is carried by the emitted photon. In comparison, how much energy is needed to return an electron at ground level to the first quantumlevel?
*April 10, 2008 by Kara*

**Calculus**

A stone is dropped from the upper observation deck of a tower, 200 m above the ground. (Assume g = 9.8 m/s^2.) a)Find the distance (in meters) of the stone above ground level at time t. b)With what velocity does it strike the ground? (Round your answer to one decimal place.) c...
*November 13, 2011 by John*

**Physics**

A small blimp is used for advertising purposes at a football game. It has a mass of 93.0 kg and is attached by a towrope to a truck on the ground. The towrope makes an angle of 53.3° downward from the horizontal, and the blimp hovers at a constant height of 20.7 m above the ...
*September 21, 2010 by Gina*

**Physics**

A playful college student tosses a water balloon out of his dorm window at a speed of 6.2 m/s at an angle of 10° above the horizontal. The dorm window is 11 m above ground level. 1)What is the maximum height above the ground of the balloon? 2) At what time does the balloon ...
*April 21, 2014 by Corey Brown*

**Physics**

a stone thrown from ground level returns to the same level of projection 4s after. with what speed was the stone thrown? Take g=10 m/s2
*January 14, 2013 by Alex*

**physics**

A cannonball is shot (from ground level) with an initial horizontal velocity of 38.0 m/s and an initial vertical velocity of 26.0 m/s. 1) What is the initial speed of the cannonball? 2) What is the initial angle θ of the cannonball with respect to the ground? 3) What is ...
*August 29, 2012 by Dante*

**pyhsics**

A cannonball is shot (from ground level) with an initial horizontal velocity of 36.0 m/s and an initial vertical velocity of 21.0 m/s. 1) What is the initial speed of the cannonball? 2) What is the initial angle θ of the cannonball with respect to the ground? 3) What is ...
*September 8, 2012 by ali*

**Physics**

A cannonball is shot (from ground level) with an initial horizontal velocity of 38.0 m/s and an initial vertical velocity of 26.0 m/s. The initial speed of the cannonball 46.04 m/s The initial angle θ of the cannonball with respect to the ground 34.38° What is the maximum...
*September 11, 2012 by Kayla*

**Physics**

A cannonball is shot (from ground level) with an initial horizontal velocity of 38.0 m/s and an initial vertical velocity of 26.0 m/s. The initial speed of the cannonball 46.04 m/s The initial angle θ of the cannonball with respect to the ground 34.38° What is the maximum...
*September 11, 2012 by Kayla*

**Physics**

A cannonball is shot (from ground level) with an initial horizontal velocity of 38.0 m/s and an initial vertical velocity of 26.0 m/s. The initial speed of the cannonball 46.04 m/s The initial angle θ of the cannonball with respect to the ground 34.38° What is the maximum...
*September 11, 2012 by Kayla*

**Physics**

A cannonball is shot (from ground level) with an initial horizontal velocity of 38.0 m/s and an initial vertical velocity of 26.0 m/s. The initial speed of the cannonball 46.04 m/s The initial angle θ of the cannonball with respect to the ground 34.38° What is the maximum...
*September 11, 2012 by Kayla*

**physics**

A ball is thrown straight upward from ground level. At what speed must the ball be thrown if it is to reach a maximum height 21 meters above the ground?
*February 7, 2014 by sean*

**PhYsIcS**

need help solving these problems. I tried but my teacher did not teach it to us so it is very difficult for me. Thanks. "Projectiles launched at an angle" 1. A golfer can hit a golf ball a horizontal distance of over 300 m on a good drive. What maximum height will a 301.5 m ...
*October 25, 2006 by anonymous*

**physics**

A football punter accelerates a 0.35 kg football from rest to a speed of 12.0 m/s in 0.30 s. What constant force does the punter exert on the ball?
*January 9, 2012 by Anonymous*

**physics**

A football punter accelerates a 0.35 kg football from rest to a speed of 12.0 m/s in 0.30 s. What constant force does the punter exert on the ball?
*January 9, 2012 by Anonymous*

**uog**

A survey of an urban university (population of 25,450) showed that 750 of 1100 students sampled attended a home football game during the season. What inferences can be made about student attendance at football games? Using the 90% level of confidence, what is the confidence ...
*March 25, 2011 by samantha*

**physic =)**

A bullet is fired directly upward from a rifle at ground level. Assuming a velocity muzzle of 490 m/s, and neglecting air resistance, find: A.height of the highest point reached. B.time required to reach this point. C.total time before the bullet returns to the ground. D.speed...
*January 6, 2013 by carol*

**physics**

A quarterback is asked to throw a football to a receiver that is 32.1 m away. What is the minimum speed that the football must have when it leaves the quarterback's hand?
*September 6, 2010 by tommy *

**Physics**

Tom Brady (the Patriots’ quarterback) throws a football – at a speed of 30 mph at an angle of 50 degrees to the horizontal – toward an intended receiver 20 yd straight downfield behind the goal-line. The pass is released 7.5 ft above the ground. Assume that the receiver is ...
*April 29, 2012 by Bob *

**Physics**

A football player punts the football so that it will have a hang time of 4.5s and land 46m away. If the ball leaves the player's foot 1.5m above the ground, what must be (a) the magnitude and (b) angle (relative to the horizontal) of the ball's initial velocity?
*June 28, 2010 by Pat*

**Physics**

VERY URGENT- A kicked ball takes off at 25m/s at an angle with the ground. If the goal is 50m away and the horizontal bar is 3.44m above the ground, what must be the elevation angle for the kicker to score a goal?
*February 26, 2014 by Samuel*

**Physics**

On level ground, you stand 21.0m from the base of a tree and determine that the treetop is at 46 degrees above the horizontal, as measured from ground level. How tall is the tree?
*February 8, 2012 by Tig*

**physics**

A quarterback throws the football to a stationary receiver who is 18.3 m down the field. Football is thrown at an angle of 44.9 degrees to the ground. Acceleration is 9.81 m/s2. What initial spped must the quarterback throw ball to reach receiver and what is the highest point ...
*January 19, 2009 by Bob*

**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?
*November 20, 2010 by sandhu*

**physics homework**

You throw a 20 N rock into the air from ground level and observe that when it is 1 5.0 M high, it is traveling upward at 25.0 m/s. Use the work energy principle to find (a) the rock’s speed just as it left the ground and (b) the maximum height the rock will reach.
*February 23, 2013 by samantha*

**Physics(please bobpursley)**

A girl coasts down a hill on a sled, reaching level ground at the bottom with a speed of 6.7 m/s. The coeﬃcient of kinetic friction between the sled’s runners and the hard, icy snow is 0.048, and the girl and sled together weigh 615N. The acceleration of gravity is 9....
*October 21, 2012 by George*

**Physics**

a 300kg piano is being lifted at a steady speed from ground level straight up to an apartment 10.0m above ground. The crane that is doing the lifting produces a steady power of 400 W. How much time does it take to lift the piano?
*November 25, 2008 by Delli*

**Physics**

A ball is thrown upwards at 15m/s from a window 20 metres above the ground. Find: a)How long the ball the takes to reach the level of the window b)How much longer it takes to reach the ground? c)What speed it takes to reach the ground?
*February 13, 2013 by Aquile*

**algebra**

The ball is kicked straight up in the air from 4' off the ground Original velocity is 60' per second How many secs does it take to hit the ground. Do I use complete the square, square root property, quadratic formula, factoring? formula is h= 16tsquared + 60t +4
*May 22, 2013 by barb*

**physical science**

A football player picks up.the football runs with it and throws it to a teammate, during which of these actions is work being done on the football?
*June 30, 2011 by kesha*

**anonymous**

I need help solving these problems. I tried but my teacher did not teach it to us so it is very difficult for me. Thanks. "Projectiles launched at an angle" 1. A golfer can hit a golf ball a horizontal distance of over 300 m on a good drive. What maximum height will a 301.5 m ...
*October 25, 2006 by PHYSICS.....confused*

**art**

A piano whose mass is 106 kg is being lifted at a steady speed from ground level straight up to an apartment 12.4m above the ground. The crane that is doing the lifting produces a steady power of 565W. How much time does it take to lift the piano?
*October 25, 2009 by lawless*

**Physics**

A projectile is shot from the edge of a cliff h = 225 m above ground level with an initial speed of v0 = 155 m/s at an angle of 37.0° with the horizontal a. Determine the time taken by the projectile to hit point P at ground level. b. Determine the range X of the projectile as...
*September 17, 2011 by Bridge*

**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. ...
*October 22, 2011 by Sam*

**physics**

object kicked at 45 degree and travels 82 m b4 hitting the ground. what was its vo? how long was it in the air? how high did it go? please and thanks
*January 19, 2008 by hello*

**12th grade**

how can i find the initial velocity of a ball being kicked from a rooftop and landing on the ground?
*March 22, 2010 by Anonymous*

**Physics**

In the absence of air resistance, a projectile is launched from and returns to ground level. It follows a trajectory similar to that in the figure below and has a range of 15 m. Suppose the launch speed is doubled, and the projectile is fired at the same angle above the ground...
*September 18, 2012 by Anonymous*

**Physics**

In the absence of air resistance, a projectile is launched from and returns to ground level. It follows a trajectory similar to that shown in Figure 3.10 and has a range of 24 m. Suppose the launch speed is doubled, and the projectile is fired at the same angle above the ...
*September 7, 2013 by WR*

**Pre-Algebra**

The biggest attraction at the new amusement park, World of Fun, is the huge slide that goes under the ground. To get to the top of the slide, Jon has to climb up a 56-foot ladder. Then he rides the slide to the bottom. Finally, Jon walks through a tunnel to the elevator and ...
*March 11, 2008 by Joy*

**physics**

A batter hits a fly ball which leaves the bat 0.90 m above the ground at an angle of 61° with an initial speed of 29 m/s heading toward centerfield. Ignore air resistance. (a) How far from home plate would the ball land if not caught? (b) The ball is caught by the ...
*December 2, 2009 by carol*

**Physics**

A football kicker can give the ball an initial speed of 31 m/s. What are the (a) least and (b) greatest elevation angles at which he can kick the ball to score a field goal from a point 49 m in front of goalposts whose horizontal bar is 3.44 m above the ground?
*September 13, 2010 by Antonio*

**physics**

A football kicker can give the ball an initial speed of 30 m/s. What are the (a) least and (b) greatest elevation angles at which he can kick the ball to score a field goal from a point 48 m in front of goalposts whose horizontal bar is 3.44 m above the ground?
*February 23, 2011 by Johnny*

**statistics**

From a random sample of 500 males interviewed, 125 indicated that they watch professional football on Monday night television. Does this evidence indicate that more than 20% of the male TV viewers watch professional football on Monday evenings? Use the 0.01 level of ...
*April 19, 2012 by lola*

**physics**

A bomber flies horizontally with a speed of 235 m/s relative to the ground. The altitude of the bomber is 3570 m and the terrain is level. Neglect the effects of air resistance. The acceleration of gravity is 9.8 m/s2 . a) How far from the point vertically un- der the point of...
*January 11, 2011 by DeeDee*

**Physics**

A stone thrown horizontally from a height of 7.8 m hits the ground at a distance of 12.0 m. Calculate the speed of the ball as it hits the ground. I was able to find the initial speed of the ball, which is 9.52 m/s. However, I'm unsure about whether I need to use this number ...
*November 3, 2007 by Lindsay*

**Physics**

if a ball is thrown vertically into the air, leaving the ground at a height of 1.8m, with a speed of 9.7m s -1. When it rises and falls to the ground what will the balls speed be as it hits the ground? please help with an explanation as i am so stuck, my exam is in two days ...
*December 6, 2010 by Rebecca Niles*

**Physics**

A soccer player kicks a 0.43 kg ball straight up to see how far it will rise. The ball starts with a velocity of 16m/s at a height of 0.85m above the ground. It rises then falls straight down to the ground. a) what is the total energy of the ball just after it is kicked? b) ...
*May 4, 2014 by cee*

**Physics**

A 3.60 102-kg piano is being lifted at a steady speed from ground level straight up to an apartment 18.0 m above the ground. The crane that is doing the lifting produces a steady power of 4.00 102 W. How much time does it take to lift the piano?
*February 25, 2008 by Peter*

**Physics**

An arrow is shot at ground level with an initial speed of 50.0 m/s at an angle of 25.0° above horizontal. What is its x-coordinate when the arrow is on the way up and its y coordinate is 5.00 m above the ground?
*February 13, 2012 by Jem*

**college: physics**

A 4.00 102-kg piano is being lifted at a steady speed from ground level straight up to an apartment 16.0 m above the ground. The crane that is doing the lifting produces a steady power of 4.00 102 W. How much time does it take to lift the piano?
*October 12, 2009 by Anonymous*

**Physics - Another Question**

"An airplane if flying level at 80.0m above the ground with a speed of 350km/h. The bombardier wishes to drop food and medical supplies to hit a target on the ground. At what horizontal distance from the target should the bombardier release the supplies?"
*July 7, 2010 by Stuck*

**Algebra 1 Answer Evaluation**

The height of a soccer ball kicked from the ground can be approximated by the function h = =16t^2 + 64t, where he is the height in feet and t is the time in seconds. Find the time it takes for the ball to return to the ground. A: It takes the ball 2 seconds to return to the ...
*May 13, 2014 by Victoria*

**physics**

A quarterback is asked to throw a football to a receiver that is 32.1 m away. What is the minimum speed that the football must have when it leaves the quarterback's hand? Ignore air resistance. Assume the ball is caught at the same height as it is thrown.
*September 6, 2010 by tommy *

**Physics**

A quarterback is asked to throw a football to a receiver that is 32.6 m away. What is the minimum speed that the football must have when it leaves the quarterback's hand? Ignore air resistance. Assume the ball is caught at the same height as it is thrown.
*June 20, 2012 by Sierra*

**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 ...
*November 4, 2011 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 ...
*October 8, 2013 by Dreama*

**Physics**

1. A person runs 800. m at an average speed of 6.00 m/s and then the next 800. m at an average speed of 8.00 m/s. Calculate (a) the total time of travel and (b) the average speed. 2. A boy kicked a can horizontally from a 6.5 m high rock with a speed of 4.0 m/s. How far from ...
*June 18, 2014 by Piper*

**Math**

If a shot is fired directly upward at 1200 feet per second from a ground elevation of 8oo feet above sea level, how high would it go above the ground level? Thanks, Gerry
*November 30, 2009 by Gerry*

**math**

When a soccer ball is kicked with a vertical speed of 25 m/s its height, h metres, after t seconds is given by the equation h=-5t^2+25t a) how long after it is kicked is the soccer ball at a height of 30 m ? b) How long is the soccer ball in the air?
*April 15, 2010 by Joe*

**physics**

A bomber flies horizontally with a speed of 367 m/s relative to the ground. The altitude of the bomber is 4020 m and the terrain is level. Neglect the effects of air resistance. The acceleration of gravity is 9.8 m/s2 . a) How far from the point vertically un- der the point of...
*October 22, 2011 by Anonymous*

**physics**

A bomber flies horizontally with a speed of 225 m/s relative to the ground. The altitude of the bomber is 3010 m and the terrain is level. Neglect the effects of air resistance. The acceleration of gravity is 9.8 m/s2 . a) How far from the point vertically un- der the point of...
*October 25, 2012 by Sonia*

**physics/dynamics**

The position of a ball as its kicked upwards is measured as y(t) =−(4.9 t^2 + 20t + 0.50)m, where t is measured in seconds. Find the vertical component of velocity and acceleration of the ball as a function of time. If the ground is located at yg = 0, ﬁnd the time...
*January 12, 2011 by justin*

**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?
*November 20, 2011 by marissa*

**Sport - Football**

In FLAG FOOTBALL, how many players are allowed on the field at one time and what are their positions' names? Please help, I'm in Australia and Football just ain't as big as it is in some other countries.
*November 21, 2007 by xX_Supaman_Xx*

**Algebra 1**

A kicker punts a football from 3 feet above the ground with an initial velocity of 47 feet per second. 1. Write an equation that gives the height (in feet) of the football as a function of the time (in secs) since it was punted. Okay. According to my text book, h = -16t^2 + vt...
*February 22, 2014 by Ginny*

**physics**

A barefoot field-goal kicker imparts a speed of 39 m / s to a football initially at rest. If the football has a mass of 0 . 26 kg and the time of contact with the ball is 0 . 01 s, what is the force exerted by the ball on the kicker’s foot?
*January 19, 2014 by Anonymous*

**physics**

A suspension bridge is 66.0 m above the level base of a gorge. A stone is thrown or dropped from the bridge. At the location of the bridge, g has been measured to be 9.83 m/s2. In each of the following, assume that there is no air resistance. (a) If you drop the stone, how ...
*September 21, 2010 by Kacy*

**cal**

A ball is thrown directly upward from ground level with an initial velocity v(0) = 96 ft=s. Assuming that the ball’s only acceleration is that due to gravity (i.e., a(t) = ��32 ft=s2), determine the maximum height reached by the ball and the time it takes to ...
*May 3, 2011 by fcv*

**Statistics**

Thank you!! A survey of an urban university (population of 25,450) showed that 750 of 1100 students sampled attended a home football game during the season. What inferences can be made about student attendance at football games? Using the 99% level of confidence, what is the ...
*December 19, 2007 by Jenny*

**chemistry**

Using a periodic table, determine the number of electrons held in energy levels 1-3 of each atom. B----2 in level 1--3 in level 2--0 in level 3 C--2 in level 1--4 in level 2--0 in level 3 Mg--2 in level 1--8 in level 2--2 in level 3
*February 5, 2012 by kr*

**physics**

A projectile is shot from the edge of a cliff 125 m above ground level with an initial speed of 105 m/s at an angle of 37.0o with the horizontal, as shown in Figure 3-39. (a) Determine the time taken by the projectile to hit point P at ground level. (b) Determine the range X ...
*April 25, 2012 by matin*

**physics**

if a ball is tossed from ground level upward at a speed of 44 m/s how long will it take to reach its maximum height
*September 4, 2013 by katie*

**physics**

I'm having trouble getting the answer for the 2nd and 3rd questions. # A soccer ball is kicked from the ground. When it reaches a height of 5.93 m, the velocity is v=6.45i+7.46j m/s. 1. Determine the maximum height that the ball reaches. (the right answer is 8.77 m) 2. ...
*February 14, 2009 by rmj*

**Physics**

A football is thrown with an initial upward velocity component of 15.0m/s and a horizontal velocity component of 18.0m/s . How high does it get above the ground? How much time after it is thrown does it take to return to its original height? How far has the football traveled ...
*October 15, 2010 by Sam*

**physics**

A barefoot field-goal kicker imparts a speed of 47 m/s to a football initially at rest. If the football has a mass of 0.6 kg and the time of contact with the ball is 0.024 s, what is the magnitude of the force exerted by the ball on the kicker’s foot?
*May 5, 2013 by Anonymous*

**physics**

A barefoot ﬁeld-goal kicker imparts a speed of 33 m/s to a football initially at rest. If the football has a mass of 0.75 kg and the time of contact with the ball is 0.015 s, what is the force exerted by the ball on the kicker’s foot?
*January 26, 2014 by gdx*

**physics**

A barefoot ﬁeld-goal kicker imparts a speed of 33 m/s to a football initially at rest. If the football has a mass of 0.75 kg and the time of contact with the ball is 0.015 s, what is the force exerted by the ball on the kicker’s foot?
*January 26, 2014 by gdx*

**physics**

A 301 kilogram piano is being lifted at a steady speed from ground level straight upward to an apartment 10.0 meters above the ground. The crane that is doing the lifting produces a steady power of 415 watts. How long does it take to lift the piano? I dont understand how to ...
*November 7, 2013 by Lupita*

**Physics**

At a particular instant, a stationary observer on the ground sees a package falling from a moving airplane with a speed vobserver at an angle θ to the vertical. To the pilot flying horizontally at a constant speed relative to the ground the package appears to be falling ...
*November 5, 2011 by John*

**physics**

A barefoot ﬁeld-goal kicker imparts a speed of 44 m/s to a football initially at rest. If the football has a mass of 0.49 kg and the time of contact with the ball is 0.028 s, what is the magnitude of the force exerted by the ball on the kicker’s foot?
*December 6, 2013 by Lindsey*

**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. ...
*October 15, 2010 by Sarah*

**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. ...
*October 14, 2010 by Jordan*

**physics**

A football is kicked at 37degrees to the horizontal and it goes a distance of 98 yd. Ignore air resistance. a) what is the ball’s initial velocity? b) what is the vertical component of the ball’s velocity? c) what is the horizontal component of the ball’s velocity d) how long ...
*October 15, 2007 by Tammy*

**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. ...
*March 11, 2014 by dakota22*

**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. ...
*October 14, 2012 by Sara*

**physics**

A batter hits a fly ball which leaves the bat 0.90 m above the ground at an angle of 61° with an initial speed of 29 m/s heading toward centerfield. Ignore air resistance. (a) How far from home plate would the ball land if not caught? (b) The ball is caught by the ...
*December 2, 2009 by bob*

**Science**

A football player has to push a blocking sled the length of a football field. What are two ways the workload for the football player could be increased?
*October 11, 2011 by Sierra*

**Physics **

James and Steve have a contest to see who can kick a football further. James kicks the football at an angle up of 57 degrees, and a speed of 75m/s. Steve kicks the ball with a speed of 100m/s, at an angle up of 48 degrees? Who wins the contest?
*June 21, 2011 by Anonymous*

**Sport Strategies ~ Football**

The sport of Association football is quite different from football in American culture. In the statements provided, select the one in which association football and american football are not similar. a. having players wear cleated shoes b. having players kick the ball during ...
*February 12, 2014 by Jenny*

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