Friday

November 28, 2014

November 28, 2014

Number of results: 20,719

**MATH**

HOW DO YOU FIND THE RATE OF SPEED
*February 19, 2008 by MELINDA*

**Science**

What is the unit for wave speed?
*September 30, 2008 by Mariz*

**Physics**

what is the speed of an object at rest?
*January 31, 2009 by y912f*

**Scient**

Gives us the speed of stars
*December 9, 2009 by Whitney*

**physics**

what are the units for speed and gravity?
*December 13, 2010 by bryanna*

**physics**

What is speed of light in air
*May 31, 2011 by Sostine*

**physics**

how to calculate the speed of escalator
*June 22, 2011 by varun*

**Calculus**

An open hemispherical bowl of radius R is slowly draining through a small hole of radius r in the bottom of the bowl. Let g be the acceleration due to gravity and y be the depth of the water (which means the distance from the water surface to the hole). Torricelliâ€™s Law ...
*April 8, 2012 by chamy*

**physics**

A car initially traveling eastward turns north by traveling in a circular path at uniform speed as in the figure. The length of the arc ABC is 214 m, and the car completes the turn in 40.0 s (Figure shows coordinate plane with point A on -y axis point C on +x axis and point B ...
*March 6, 2012 by Emily*

**Statistics**

A survey asked 2000 people whether or not they frequently exceed the speed limit. The collected data is summarized in the following contingency table. The goal is to determine if there is a difference in the population proportion that say “yes” when comparing those who are ...
*April 16, 2014 by Mea*

**Physics/Science #3**

A ball is thrown vertically downward from the top of a 35.9-m tall building. The ball then passes the top of a window that is 10.7 m above the ground 2.00 s after being thrown. What is the speed of the ball as it passes the top of the window? The equation for the speed of the ...
*January 25, 2007 by TechnoBoi11*

**Physics**

Water moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is 1.70 105 Pa and the pipe radius is 2.50 cm. At the higher point located at y = 2.50 m, the pressure is 1.30 105 Pa and the pipe radius is 1.60 cm. (a) ...
*November 9, 2012 by Ashley*

**Physics**

Water moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is 1.70 105 Pa and the pipe radius is 2.50 cm. At the higher point located at y = 2.50 m, the pressure is 1.30 105 Pa and the pipe radius is 1.60 cm. (a) ...
*November 9, 2012 by Ashley*

**Physics**

Water moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is 1.85 105 Pa and the pipe radius is 2.80 cm. At the higher point located at y = 2.50 m, the pressure is 1.28 105 Pa and the pipe radius is 1.20 cm. (a) ...
*November 20, 2012 by Chelsea*

**Physics**

Water moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is 1.85 105 Pa and the pipe radius is 2.80 cm. At the higher point located at y = 2.50 m, the pressure is 1.28 105 Pa and the pipe radius is 1.20 cm. (a) ...
*November 21, 2012 by Chelsea*

**Physics**

A gymnist is swinging on a high bar. The distance between his waist and the bar is 1.1M. At the top of the swing his speed is momentarily zero. ignoring friction and treating the gymnist as if all his mass is located at his waist, find his speed at the bottom of the swing. At ...
*February 27, 2007 by Cavin*

**physics**

1. How far (in meters) must a 600 kg pile driver fall, if it is to do 14000 J of work? 2. A spring whose spring constant is 150 N/m is compressed 0.800 m. What speed (in meters/second) can it give to a 0.600 kg ball when released? 3. A 550 N crate rests on the floor. How much ...
*July 7, 2010 by Ricky*

**physics**

1. How far (in meters) must a 600 kg pile driver fall, if it is to do 14000 J of work? 2. A spring whose spring constant is 150 N/m is compressed 0.800 m. What speed (in meters/second) can it give to a 0.600 kg ball when released? 3. A 550 N crate rests on the floor. How much ...
*July 7, 2010 by Ricky*

**physics**

A car initially traveling eastward turns north by traveling in a circular path at uniform speed as in the figure below. The length of the arc ABC is 210 m, and the car completes the turn in 38.0 s. (a) What is the acceleration when the car is at B located at an angle of 35.0...
*October 24, 2011 by carlton*

**physic**

A cannon ball is fired at an angle of 30° above horizontal with an initial speed vi = 55 m/s. Assume the cannon ball leaves the cannon at ground level and ignore air resistance. (a) How long is the cannon ball in the air? (b) How far from the base of the cannon does the cannon...
*November 21, 2014 by Nicolas*

**physics**

An astronaut (mass of 100 kg, with equipment) is headed back to her space station at a speed of 0.750 m/s but at the wrong angle. To correct her direction, she fires rockets from her backpack at right angles to her motion for a brief time. These directional rockets exert a ...
*November 19, 2014 by mary*

**physics**

A 301-kg boat is sailing 16.5° north of east at a speed of 2.08 m/s. Thirty seconds later, it is sailing 37.2° north of east at a speed of 3.60 m/s. During this time, three forces act on the boat: a 32.7-N force directed 16.5° north of east (due to an auxiliary engine), a 21.7...
*October 3, 2012 by Anonymous*

**Physics**

A 301-kg boat is sailing 16.5° north of east at a speed of 2.08 m/s. Thirty seconds later, it is sailing 37.2° north of east at a speed of 3.60 m/s. During this time, three forces act on the boat: a 32.7-N force directed 16.5° north of east (due to an auxiliary engine), a 21.7...
*October 9, 2012 by Anonymous*

**physics**

The lob in tennis is an effective tactic when your opponent is near the net. It consists of lofting the ball over his head, forcing him to move quickly away from the net (as shown in the figure below). Suppose that you loft the ball with an initial speed of v = 15.6 m/s, at an...
*January 22, 2012 by katie*

**Physics**

When a high-speed passenger train traveling at 124 km/h rounds a bend, the engineer is shocked to see that a locomotive has improperly entered onto the track from a siding and is a distance D=666 m ahead. The locomotive is moving at 21 km/. The engineer of the high-speed train...
*June 14, 2011 by Chelsea*

**physics**

Okay, I have an example problem that I'm trying to solve that comes with the answer; I'm just trying to figure out what to do. A man jogs at a speed of 1.8 m/s. His dog waits 2 s and then takes off running at a speed of 4 m/s to catch the man. How far will they have each ...
*January 15, 2011 by j*

**physics**

A planet orbits a star once every 3.14x10^7 s in a nearly circular orbit of radius 1.51x10^11 m. (a) With respect to the star, determine the angular speed of the planet b) With respect to the star, determine the tangential speed of the planet. c) With respect to the star, ...
*May 25, 2012 by Jennifer*

**Physics**

It took a stopping train 41/4min to travel between two stations 11.2km apart.The train accelerated uniformly during the first 11/4min of the journey,and decelerated uniformly to rest during the last 3/2min of the journey.The train had moved with uniform speed during the ...
*July 11, 2010 by Dan*

**Maths**

The distance from TDC (top dead centre) for the pin is given by x when the crank is at angle . Hence : i) Give an equation for x in terms of the other variables (r, L and ). ii) If the crank rod is rotating at a constant value of ω calculate the speed of ...
*May 17, 2011 by Karl Haxell*

**math**

The distance from TDC (top dead centre) for the pin is given by x when the crank is at angle . Hence : i) Give an equation for x in terms of the other variables (r, L and ). ii) If the crank rod is rotating at a constant value of ω calculate the speed of ...
*May 17, 2011 by Karl Haxell*

**physics**

Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 12 m/s at an angle 35 degrees; with respect to the horizontal. Sarah catches the ball 1.5 meters above the ground. 1)What is the horizontal ...
*September 17, 2011 by aaa*

**physics**

As your bus rounds a flat curve at constant speed, a package with mass 0.900 , suspended from the luggage compartment of the bus by a string 46.0 long, is found to hang at rest relative to the bus, with the string making an angle of 27.0with the vertical. In this position, the...
*February 10, 2013 by Alex*

**Algebra**

You commute 56 miles one way to work. The trip to work takes 10 minutes longer than the trip home. Your average speed on the trip home is 8 miles per hour faster. What is your average speed on the trip home? I don't understand why it has to be converted to 10/60. Cause it is ...
*September 24, 2007 by JIM*

**physics**

A ball starts from rest and accelerates at 0.520 m/s2 while moving down an inclined plane 9.65 m long. When it reaches the bottom, the ball rolls up another plane, where, after moving 14.40 m, it comes to rest. (a) What is the speed of the ball at the bottom of the first plane...
*October 10, 2009 by Jamie*

**physics**

Water moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is P1 = 1.85 104 Pa, and the pipe diameter is 5.0 cm. At another point y = 0.30 m higher, the pressure is P2 = 1.05 104 Pa and the pipe diameter is 2.50 cm...
*November 8, 2011 by Anonymous*

**Physics**

A roller-coaster car speeds down a hill past point A and then rolls up a hill past point B. The car has a speed of 16.1 m/s at point A. The acceleration of gravity is 9.81 m/s^2. Radius of Circle A is 9.98 m. Radius of Circle B is 15.5 m. a) If at point A the track exerts a ...
*November 13, 2010 by Jaylee*

**Physics**

A package is thrown down a curved ramp as shown in the figure. The package moves from A to B through a quarter-circle with radius R=3.00m. The mass of the package is 25.0kg. The package starts from rest at point A and there is no friction. A) Find the speed of the package at ...
*April 9, 2013 by Anonymous*

**Math**

An airplane has a speed of 400 km/h with no wind. The airplane flies 2140 km with the wind. The airplane can only fly 1860 km against the wind in the same time. If w equals the speed of the wind, which equation would be used to find w? a) 2140/(w+400) = 1860/(w-400) b. 2140/(...
*January 10, 2012 by Jayson*

**physics please respond**

A 16kg sled starts up a 28 degree incline with a speed of 2.4 m/s . The coefficient of kinetic friction is = 0.27. part a)How far up the incline does the sled travel? part b)What condition must you put on the coefficient of static friction if the sled is not to get stuck at ...
*May 27, 2012 by leeann*

**physics**

Two banked curves have the same radius. Curve A is banked at an angle of 11°, and curve B is banked at an angle of 17°. A car can travel around curve A without relying on friction at a speed of 18.5 m/s. At what speed can this car travel around curve B without relying on ...
*February 16, 2012 by Blake*

**Physics**

Two banked curves have the same radius. Curve A is banked at an angle of 11°, and curve B is banked at an angle of 16°. A car can travel around curve A without relying on friction at a speed of 18.5 m/s. At what speed can this car travel around curve B without relying on ...
*November 7, 2012 by Don*

**Physics**

Two banked curves have the same radius. Curve A is banked at an angle of 11°, and curve B is banked at an angle of 16°. A car can travel around curve A without relying on friction at a speed of 18.5 m/s. At what speed can this car travel around curve B without relying on ...
*November 7, 2012 by Don*

**Physics, help with a similar problem I just posted**

I posted a the same problem with different numbers a minute ago. The answer to the problem below (same as the other with different numbers) is 28 degrees. Maybe this will help to solve it? Thanks! A block is hung by a string from the inside roof of a van. When the van goes ...
*October 19, 2011 by Dan*

**Physics_Vectors**

You can swim at a speed v relative to the water. You are swimming across a river which flows at a speed V relative to the shore. The river is straight and has a constant width. A. If you wish to swim directly across the river, in what direction should you swim relative to the ...
*May 21, 2012 by Sky_*

**Physics (PROJECTILE MOTION)**

Henrietta is going off to her physics class, jogging down the sidewalk at a speed of 2.05 m/s. Her husband Bruce suddenly realizes that she left in such a hurry that she forgot her lunch of bagels, so he runs to the window of their apartment, which is a height 43.9 m above the...
*February 8, 2012 by Beck*

**physics**

Henrietta is going off to her physics class, jogging down the sidewalk at a speed of 2.65m/s . Her husband Bruce suddenly realizes that she left in such a hurry that she forgot her lunch of bagels, so he runs to the window of their apartment, which is a height 54.8m above the ...
*September 9, 2013 by brandon*

**Physics**

At one instant a bicyclist is 50 m due east of a park's flagpole, going due south with a speed of 18 m/s. Then, 13 s later, the cyclist is 45 m due north of the flagpole, going due east with a speed of 13 m/s. For the cyclist in this 13 s interval what is the displacement (m) ...
*September 11, 2012 by Tammie*

**physics (speed of plane by radar)**

The radar stations A and B, separated by the distance a = 500 m, track the plane C by recording the angles α and β at 1-second intervals, If three successive readings are shown in the table,calculate the speed v of the plane and the climb angle y at t = 10 seconds as...
*November 11, 2012 by micheal*

**Math Help**

I have to do this question in several ways like any possible way to do it so I've found one mathematical way, I can't do it like a physics question cause it's math. a bike travels at a constant speed of 10km/h. a bus starts 175 km behind the bike and catches up to the bike in ...
*March 6, 2014 by Anonymous*

**Physics**

Calculate the force required to pull a copper ball of radius 2.00 cm upward through a fluid at the constant speed 9.00 cm/s. Take the drag force to be proportional to the speed, with proportionality constant 0.950 kg/s. Ignore the buoyant force. Forcedrag=k v = .950kg/s * .09m...
*March 1, 2007 by Jean*

**physics**

LOOP, SPRING AND BEAD (14 points possible) A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (...
*October 17, 2013 by Anonymous*

**physics**

LOOP, SPRING AND BEAD (14 points possible) A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (...
*October 18, 2013 by Anonymous*

**physics**

LOOP, SPRING AND BEAD (14 points possible) A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (...
*October 18, 2013 by Anonymous*

**STAT**

Suppose adults in a particular town drive a mean of 65 mph with a standard deviation of 15 mph. Using the normal curve table, a.What percentage of adults drive below 35 mph? b.What percentage of adults drive below 68 mph or above 85 mph? c.What percentage of adults drive ...
*October 29, 2013 by Jacky*

**physics**

a) What is the root-mean-square speed for a collection of helium-4 atoms at 311 K? b) What is the root-mean-square speed for a collection of helium-3 atoms at 311 K?
*December 27, 2011 by maria*

**Physics**

A house with its own well has a pump in the basement with an output pipe of inner radius 6.4 mm. Assume that the pump can maintain a gauge pressure of 420 kPa in the output pipe. A showerhead on the second floor (7.5 m above the pump's output pipe) has 38 holes, each of radius...
*April 10, 2012 by Angelina*

**Physics**

A house with its own well has a pump in the basement with an output pipe of inner radius 6.4 mm. Assume that the pump can maintain a gauge pressure of 420 kPa in the output pipe. A showerhead on the second floor (7.5 m above the pump's output pipe) has 38 holes, each of radius...
*April 10, 2012 by Angelina*

**physics**

A test car starts out from rest on a horizontal circular track of 80m radius and increases it's speed at a uniform rate to reach 27.78 m/s in 10s. Find the magnitude of the total acceleration of the car 8s after the start. Ok so I know that the total acceleration is the square...
*October 9, 2009 by Jessi*

**Physics Check**

Since I've been waiting to get my answers checked for my submission #2, I moved on to my submission #3 and I need some questions checked for my submission #3 please. 1.)If a blue car drives 10km/h across the deck of an ocean liner that is traveling at 90km/h, what is the blue ...
*July 12, 2010 by Ariel*

**Physics- Elena please help!**

A digital audio compact disc carries data along a continuous spiral track from the inner circumference of the disc to the outside edge. Each bit occupies 0.60 mm of the track. A CD player turns the disc to carry the track counter-clockwise above a lens at a constant speed of ...
*October 29, 2012 by Anonymous*

**physics**

To take off from the ground, an airplane must reach a sufficiently high speed. The velocity required for the takeoff, the takeoff velocity, depends on several factors, including the weight of the aircraft and the wind velocity. Part A: A plane accelerates from rest at a ...
*September 10, 2013 by JD*

**physics**

A blue ball is thrown upward with an initial speed of 20.6 m/s, from a height of 0.8 meters above the ground. 2.5 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 8.2 m/s from a height of 23.7 meters above the ground. The force of ...
*September 15, 2011 by a*

**physicssssss**

A blue ball is thrown upward with an initial speed of 20.6 m/s, from a height of 0.8 meters above the ground. 2.5 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 8.2 m/s from a height of 23.7 meters above the ground. The force of ...
*September 15, 2011 by aa*

**Physics 6A**

A jet pilot takes his aircraft in a vertical loop. If the jet is moving at a speed of 1100 at the lowest point of the loop: A)Determine the minimum radius of the circle so that the centripetal acceleration at the lowest point does not exceed 5.5 's B)Calculate the 68 pilot's ...
*May 9, 2012 by Daisy*

**Physics**

A red ball is thrown down with an initial speed of 1 m/s from a height of 27 meters above the ground. Then, 0.6 seconds after the red ball is thrown, a blue ball is thrown upward with an initial speed of 24.5 m/s, from a height of 0.7 meters above the ground. The force of ...
*August 28, 2014 by Luis*

**physics**

A lazy Susan consists of a heavy plastic disk mounted on a frictionless bearing resting on a vertical shaft through its center. The cylinder has a radius R = 10 cm and mass M = 0.24 kg. A cockroach (mass m = 0.015 kg) is on the lazy Susan, at a distance of 10 cm from the ...
*May 22, 2012 by marcel*

**College Physics**

A parallel plate capacitor is made of two 3.5 cm x 3.5 cm square plates that are separated by 1.6 x10 -5 m. The plates are charged to 4.8 nC each (positive and negative). An electron is released from rest at the surface of the negative plate and simultaneously a proton is ...
*February 8, 2012 by Collin*

**Math**

Two cars run at constant speeds around a one-mile racetrack. If the cars circle the track in the same direction, the faster car passes the slower car every 10 minutes. If the cars circle the track in opposite directions, the cars meet every 30 seconds. Find the speed of the ...
*September 22, 2013 by Raz*

**physics- pls help me**

1. The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with acceleration -5.20 m/s2 for 4.45 s, making straight skid marks 62.5 m long ending at the tree. With what speed does the car then strike the tree? 2. A jet plane lands...
*October 7, 2009 by Dora*

**Trig. application**

Hello.. In your previous solution to the question: "Dave is going for a ride on his unicycle. The radius of the wheel is 25.5cm. When he gets on, the valve of the wheel is at its maximum height. He pedals along a path at a speed of 30km/h. At what height will the valve be ...
*April 28, 2012 by Anonymous*

**Physics Urgent please help**

A spring of negligible mass, spring constant k = 82 N/m, and natural length l = 1.2 m is hanging vertically. This is shown in the left side where the spring is neither stretched nor compressed. In the central one, a block of mass M = 5 kg is attached to the free end. When ...
*October 15, 2013 by ss01*

**physics**

A father racing his son has half the kinetic energy of the son, who has half teh mass of the father. The father speeds up by 1 m/s and then has the same kinetic energy as the son. What are the original speeds a) of the father? b) of the son? I know that KE=1 for the son and he...
*December 14, 2006 by Chris*

**Physics**

In an attempt to reduce the extraordinarily long travel times for voyaging to distant stars, some people have suggested traveling at close to the speed of light. Suppose you wish to visit a star which is 410 ly away, and that you want your 24000 kg rocket to move so fast that ...
*May 13, 2011 by Chris Sanchez*

**Physics please check**

A cyclist approaches the bottom of a gradual hill at a speed of 14 m/s. The hill is 4.9 m high, and the cyclist estimates that she is going fast enough to coast up and over it without peddling. Ignoring air resistance and friction, find the speed at which the cyclist crests ...
*March 20, 2007 by Mary*

**Physics**

A sphere of radius 20 cm and mass 1.2 kg rolls without slipping down a 30 degree incline that is 10 m long. a) Calculare the translational and rotational speeds of the sphere when it reaches the bottom. Assume it starts from rest, and first solve for each speed symbolically, ...
*April 20, 2010 by Alley*

**college physics**

A car travels around a bend of radius R at a speed v1, experiencing a centripetal acceleration ac. The car then travels around a curve with the same radius R, but with a centripetal acceleration which has twice the magnitude of ac. What speed is the car moving, when going ...
*May 25, 2014 by sarah*

**Physics**

A 0.25-kg ball is attached to a 26-cm piece of string. The ball is first raised so that the string is taut and horizontal, then the ball is released so that, at the bottom of its swing, it undergoes an elastic head-on collision with a 0.21-kg ball that is free to roll along a ...
*April 28, 2009 by Lucy X*

**CONFUSING!**

1.A woman rides a carnival Ferris wheel at radius 15 m, completing five turns about its horizontal axis every minute. What are (a) the period of the motion, the (b) magnitude and (c) direction of her centripetal acceleration at the highest point, and the (d) magnitude and (e...
*October 1, 2006 by Amber*

**Physics**

Two banked curves on a highway have the same radius. Curve A is banked at 13 degrees and highway B is banked at 19 degrees. A car can travel around curve A without relying on friction at a speed of 18 m/s. At what speed can this car travel around curve B without relying on ...
*November 27, 2012 by Scott*

**Physics**

After a completely inelastic collision two objects of the same mass and the same initial speed are found to move away together at 1/2 thier initial speed. Find the angle bewteen the initial velocitie of the objects? Can you please show me the step to solve this problem? I am ...
*March 5, 2007 by Tammy*

**Physics **

A young woman named Kathy Kool buys a sports car that can accelerate at the rate of 4.77 m/s2. She decides to test the car by dragging with another speedster, Stan Speedy. Both start from rest, but experienced Stan leaves the starting line 1.04 s before Kathy. If Stan moves ...
*February 2, 2012 by Mathew*

**Physics**

A young woman named Kathy Kool buys a sports car that can accelerate at the rate of 4.53 m/s2. She decides to test the car by dragging with another speedster, Stan Speedy. Both start from rest, but experienced Stan leaves the starting line 1.01 s before Kathy. If Stan moves ...
*September 20, 2013 by Connor*

**physics (pls help)**

LOOP, SPRING AND BEAD (14 points possible) A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (...
*October 18, 2013 by Anonymous*

**physics pls help**

LOOP, SPRING AND BEAD (14 points possible) A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (...
*October 18, 2013 by Anonymous*

**Physics**

A student sits on a rotating stool holding two 3.4-kg objects. When his arms are extended horizontally, the objects are 1.0 m from the axis of rotation and he rotates with an angular speed of 0.75 rad/s. The moment of inertia of the student plus stool is 3.0 kg · m2 and is ...
*November 27, 2012 by Jessica*

**physics**

Model rocket engines are sized by thrust, thrust duration, and total impulse, among other characteristics. A size C5 model rocket engine has an average thrust of 5.26 N, a fuel mass of 12.7 g, and an initial mass of 25.5 g. The duration of its burn is 1.90 s. (a) What is the ...
*October 7, 2008 by tom*

**Physics**

The bond between protons and neutrons inside the atomic nucleus is formed by the strong interaction. In classical terms, we can think of it as protons and neutrons exchanging a "meson," a kind of fundamental particle between them. Let's estimate the range of the interaction ...
*June 24, 2013 by Antony*

**Science**

How does elevation affect speed of an object
*September 18, 2008 by Shay*

**science**

How does density affect the speed of sound?
*December 10, 2008 by Brad*

**Science**

What is the average wind speed of the tundra?
*March 25, 2009 by Sam*

**math**

60 mi/h, what is the speed in feet per second
*June 14, 2009 by sharr*

**physics**

What is the speed of the bee if it travels 27 cm in 10 seconds?
*June 1, 2010 by maia*

**math**

what is the appropriate graph for time and speed??
*September 9, 2010 by elizabeth*

**physics**

What is the wavelength of a proton traveling at a speed of 6.87 km/s
*October 30, 2010 by joshua*

**physics**

What is the linear speed of a point at a latitude of 18.0 N?
*February 14, 2011 by kolin*

**science**

If a rocket travels 5600km what is it speed?
*August 29, 2011 by brianna *

**math**

how is the speed of a falling object determined.
*March 28, 2011 by don*

**physics **

• How will the amplitude affect the speed of sound?
*April 29, 2011 by ashley --*

**Physics**

How does an object's speed affect its aerodynamics?
*July 13, 2011 by Capreeca*

**science**

velocity of 2.9 m/s speed increase of 7.6 m/s in 4s What is her acceleration ?
*October 25, 2012 by carlos*

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