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November 24, 2014

Search: An object is thrown vertically upward with a speed

Number of results: 28,852

Physics
A water balloon is thrown horizontally at a speed of 2.00 m/s from a roof of a building that is 6.00 m above ground. At the same instant the balloon is released a second balloon is thrown straight down at 2.00 m/s from the same height. Determine which balloon hits the ground ...
September 25, 2012 by Lisa K.

greatbay community college
A 5.00 kg stone is thrown upward at 7.50 m/s at an angle of 51.0 degrees above the horizontal from the upper edge of a cliff, and it hits the ground 1.50 s later with no air drag. Find the magnitude of its velocity vector just as it reaches the ground.
July 31, 2014 by Anonymous

Physics
An object thrown into the air stops at the highest pooint in its path is it in equilbrium at this point explain? I siad yes because it's moving for that one breif moment I wasn't sure or not so I'm asking to see if this is right
February 2, 2009 by Physics

Physics
A 17mlong vine hangs vertically from a tree on one side of a 10 m wide gorge, as shown in the figure. Tarzan runs up, hoping to grab the vine, swing over the gorge, and drop vertically off the vine to land on the other side. At what minimum speed must he be running. I do 17^2+...
March 20, 2009 by James

Physics
A stone is thrown vertically upwards from the top of a tower 50.0m high with an intial velocity of 20.0m/s. (a) whats the maximum height the stone reaches? (b) Whats the time it takes to reach the maximim height? (c) What is the total distance it covers?
November 16, 2010 by Jess

Physics
Two stones are thrown vertically up with initial velocity Vo, second stone with a time delay To with respect to the first one. At which time after the beginning of the motion the two stones will collide? Is this scenario possible for any Vo and To? What are the limitations?
March 1, 2011 by Jasalle

Physics
The block pictured below is sliding upward on the incline with theta=25. the coefficient of friction between the block and the incline is 0.15. of the block has a speed of 5 m/s at the bottom of the incline, how far upward will it slide before it stops? I've got a few ideas on...
October 30, 2012 by Alex Baker

physics
Marie shoots an arrow vertically upward at a sandhill crane. If the arrow travels to a maximum height of 99.5 meters, calculate how fast it was shot. And, for how much time was Marie's arrow in the air?
January 28, 2012 by qwertzuiop

physics
Marie shoots an arrow vertically upward at a sandhill crane. If the arrow travels to a maximum height of 99.5 meters, calculate how fast it was shot. And, for how much time was Marie's arrow in the air?
January 28, 2012 by qwertzuiop

physics
An object of mass m is hanging by a string from the roof of an elevator. We want to compare the tension in the string due to the weight of the object under various conditions. Which statements are true? Choices: True, False. A. If the elevator is moving upwards, and speeding ...
December 10, 2008 by Sandhya

Physics
You are driving south on a highway at 24.0 m/s (approximately 54 mi/h) in a snowstorm. When you last stopped, you noticed that the snow was coming down vertically, but it is passing the windows of the moving car at an angle of 26.6 to the horizontal. Calculate the speed of ...
February 5, 2012 by Jeremy

English-Grammar
Identify how the underlined pronoun in each sentence is being used. 18. Someone sent Ed and (me) a text from an unknown phone. direct object (my answer)indirect object 19. Mr. Simons saw Owen and (us) at the registry. (my answer)direct object indirect object 20. Show Edie and...
February 5, 2013 by Anon

Physics
An object at rest accelerates through a distance of 1.5 m at which point the instantaneous velocity of the object is 3.5m/s. Determine: a. The average acceleration of the object b. The time it took the object to travel 1.5m c. The average velocity of the object during this ...
February 3, 2014 by Mason

Physics
Two objects moving with a speed v travel in opposite directions in a straight line. The objects stick together when they collide, and move with a speed of v/10 after the collision. (a) What is the ratio of the final kinetic energy of the system to the initial kinetic energy? 1...
March 3, 2010 by Zane

Science
Can the size of an object's displacement be greater than the distance the object travels? Describe the motion represented by a horizontal line on a distance-time graph. Explain whether, during a trip, a car's instantaneous speed can ever be greater than its average speed. You ...
April 28, 2009 by Twilight lover

physics
A ball is thrown at 19 m/s at 41 above the horizontal. Someone located 30 m away along the line3 of the path starts to run just as the ball is thrown. How fast, and in which direction, must the catcher run to catch the ball at the level from which it was thrown? not quite ...
October 6, 2013 by Louis

physics
A ball is thrown at 19 m/s at 41 above the horizontal. Someone located 30 m away along the line3 of the path starts to run just as the ball is thrown. How fast, and in which direction, must the catcher run to catch the ball at the level from which it was thrown? not quite ...
October 6, 2013 by Louis

eep
9. A toy is thrown vertically downwards from the top of a building and has an initial velocity of 1.5 m/s. If the height of the building is 25 m, determine i. the velocity with which the toy hits the ground ii. the time taken for the toy to fall
December 20, 2012 by anshuman kumar

Physics
A motor of a certain elevator gives it a constant upward acceleration of 0.767 m/s2, the elevator starts from rest, accelerates for 2s, then continues with a constant speed. a) What is his final speed after 2s? b) Calculate speed after 1 ,and 3 s.? c) How far has it risen 1,2,...
October 2, 2014 by John

physics
a 95-kg person stands on a scale in an elevator. What is the apparent weight when the elevator is: (A) accelerating upward with an acceleration of 1.8 m/s^2 (answer 1.1 * 10^3 N) (B) moving upward at a constant speed (answer 931 N) (C) accelerating downward with an ...
January 31, 2014 by courtney

IB pHYSICS REGENTS
A ball is thrown straight downward with a speed of 0.50 meter per second from a height of 4.0 meters. What is the speed of the ball 0.70 second after it is released?
February 11, 2010 by Anonymous

physics
a .300 kg baseball is thrown at a speed of 6.5m/s. the batter hits the ball and it flies into the outfield at a speed of 19.2 m/s. How much work is done into hitting the baseball
January 22, 2012 by jay

physics
a bullet is fired vertically upward with a velocity 220m above the ground . calculate the time it will take the bullet to strike the ground. assuming that its path is the same vertical line throughout (g=100meter per seconds)
October 22, 2011 by esor

physics
a ball is thrown at an original speed of 8.0 m/s at an angle of 35 degrees above the horizontal. What is the speed of the ball when it returns to the same horizontal level?
January 26, 2011 by Anonymous

physics
A stone is thrown in vertical upward direction with velocity of 5 m/s. if the acceleration of the stone during it motion is 10 m/s2 in h downward direction, what will be the height attained by the stone and how much time will it take to reach there?
April 30, 2014 by Sarsi

physic
an engine pumps out 40 kg of water in one rawnd the water comes out vertically upward with a velocity of 3m/s what is the power of engine in kilowatt
August 31, 2014 by ashish

Physics (Mechanics)
Marie shoots an arrow vertically upward at a sandhill crane. If the arrow travels to a maximum height of 99.5 meters, calculate how fast it was shot. And, for how much time was Marie's arrow in the air?
January 28, 2012 by Sabrina

physics
what kind of force field surrounds a stationary electric charge? What additional field surrounds it when it moves? "what kind of force field surrounds a stationary electric charge?" Electric field. "What additional field surrounds it when it moves?" Magnetic field. THANK YOU ...
December 4, 2006 by amy

phsyics
please I really need help with these 1. A man pulls a 300 N object across a horizontal surface using a 100 N force applied at a 35 angle. What is the normal force? If the object is pulled at constant speed, what is the coefficient of friction?
October 13, 2010 by physics LSU

physics
The figure gives the speed v versus time t for a 0.189 kg object of radius 6.42 cm that rolls smoothly down a 39.5 ramp. What is the rotational inertia of the object? im confused, how does kinetic energy relate to inertia? do i use the equations for torque?
March 8, 2013 by Micaiah

Last Question Physics.
A diagram represents a 5 N force to the North and a 12 N force East acting on an object P of mass 6.5kg. -The Magnitude of the Net Force is 13 N - The direction it accelerates is 23 degrees North of East. FIND: (A) If the object has an intial speed of 8 m/s in the direction ...
October 9, 2012 by arcos15

Physics
A man lifts a 1.0 kg stone vertically with his hand at a constant upward acceleration of 1.8m/2^2. what is the magnitude of the total force of the stone on teh man's hand? In Newtons downward?
January 29, 2010 by James

Physics
A man lifts a 2.0 kg stone vertically with his hand at a constant upward velocity of 1.5 m/s. What is the magnitude of te total force of the stone on the man's hand?
September 13, 2010 by Chelsea

physics
A man lifts a 2.7 kg stone vertically with his hand at a constant upward acceleration of 1.2 m/s2. What is the magnitude of the total force of the stone on the man's hand?
October 6, 2010 by Kacy

physics
A stone is thrown straight downward with a speed of 2.2 meter per second from a height of 28 meters. What is the speed of this stone 1 second after it is released? [Neglect air resistance.]
October 15, 2009 by Janice

computers (Check)
Will someone please check my C++ for me? 1. What does the Load ( ) method do? Gets data from a file and puts it into a DataSet object. <----- Gives a value to an attribute of an XmlElement object. Deletes all the data in a DataSet object. Tells a form to appear. 2. Scenario...
May 30, 2013 by Lisa

College Algebre
Here is the math problem: The height of an object in free fall, or otherwise thrown into the air near the earth's surface, with initial vertical velocity v0 in feet per seconds, and from the initial height h0 in feet, at any given time t in seconds is given by the equation: h(...
February 8, 2012 by Rick

Calculus
If h(t) represents the height of an object above ground level at time t and h(t) is given by h(t)=-16t2+11t+1 find the height of the object at the time when the speed is zero.
September 13, 2010 by Melissa

calsulus
if h(t) represents the height of an object above ground level at time t and h(t) is given by h(t)=-16t^2+13t+1 find the height of the object at the time when the speed is Zero. h(t)=?
September 14, 2010 by Jenny

physics
A rock is thrown horizontally with a speed of 5.9 m/s from a height of 63.5 meters from the ground below. With what vertical speed does the rock hit the ground?
November 3, 2010 by Anonymous

physics
A baseball is thrown with an initial velocity of magnitude v at an angle of 27.2 with respect to the horizontal (x) direction. At the same time, a second ball is thrown with the same initial speed at a different angle with respect to x. If the two balls land at the same spot, ...
January 30, 2010 by Sal

calculus
if h(t) represents the height of an object above ground level at time t and h(t) is given by h(t)=-16t^2+13t+1. find the height of the object at the time whent eh speed is zero
September 14, 2010 by Jenny

physics
A 2.0-kg object moving with a velocity of 5.0 m/s in the positive x direction strikes and sticks to a 3.0-kg object moving with a speed of 2.0 m/s in the same direction. How much kinetic energy is lost in this collision?
August 13, 2012 by Ben

Physics
In a 1-dimensional problem, a single force acts on a 10 kg object and is given the equation F=ax+b where a=250 N/m, b=25 N, x is position of object. There is a force acting on the object while that object moves from x=0 to x=2 lasting 3 sec. 1) What is the work done by this ...
November 12, 2013 by Diana

Physics
. A rock thrown horizontally at a large bell 57.0 m away is heard to hit the bell 4.10 s later. If the speed of sound is 330 m/s, what was the speed (in meters/second) of the rock? (Disregard gravity.)
February 7, 2012 by Nicole

Physics
A ball is dropped from rest from a height of 20.0 m. One second later a second ball is thrown vertically downwards. If the two balls arrive on the ground at the same time, what must have been the initial velocity of the second ball?
August 28, 2011 by Anonymous

Physics
A ball is dropped from rest from a height of 20.0m. One second later a second ball is thrown vertically downwards. If the two balls arrive on the ground at the same time, what must have been the initial velocity of the second ball?
August 31, 2012 by Alex

Physics
A ball is dropped from rest from a height of 20.0m. One second later a second ball is thrown vertically downwards. If the two balls arrive on the ground at the same time, what must have been the initial velocity of the second ball?
August 31, 2012 by Alex

Physics
A person is a playing a game that requires throwing an object onto a ledge. The ledge is a distance d and a height d/2 above the release point. You may neglect air resistance. You may use g for the magnitude of the gravitational acceleration (i.e. g=9.81m/s2). (a) At what ...
September 22, 2013 by ss01

Physics
Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. The work done on object A is 500J. After the force pulled each object, object A moves twice as fast as object B. Answer the following: a.) How ...
December 9, 2012 by Tim

Physics
We consider the case shown in the figure below. Two objects with masses m and M are connected with a taut string running over a pulley. The pulley rotates without friction. The two masses are given as M = 6.23 kg and m = 2.54 kg. A second taunt string connects the heavier ...
October 4, 2011 by Kristen

physics
If the green ball bounces upward from the ground with a speed of 20 m/s (immediately after it hit the ground), calculate the momentum of the ball as it goes upward immediately after hitting the ground
September 28, 2010 by becky

Physics
Two point charges q1 and q2 are held 4.00 cm apart vertically. An electron released at the middle point that is equidistant from both charges undergoes an initial acceleration of 8.95 X 10^18 m/s2 directly upward,parallel to the line connecting q1 and q2 .Find the magnitude ...
September 7, 2009 by sandhu

Physics
Two point charges q1 and q2 are held 4.00 cm apart vertically. An electron released 3 cm from the middle point that is equidistant from both charges undergoes an initial acceleration of 8.95 X 10^18 m/s2 directly upward,parallel to the line connecting q1 and q2 .Find the ...
September 7, 2009 by sandhu

physics
How do i figure out the direction for this problem: A wire having a mass per unit length of 0.500 g/cm carries a 2.00 A current horizontally to the south. What is the direction of the minimum magnetic field needed to lift this wire vertically upward?
August 18, 2010 by blasting(right hand rule)

PHYSICS
An object is attached to an ideal spring. It undergoes a simple harmonic motion with a total energy of E = 2.2 J. The amplitude of the motion is 0.7 m and the maximum speed of the object is 0.5 m/s. Find the spring constant.
April 7, 2011 by Unknown

Physics - pls help
A heavy conductor (mass m, length `, resistance R) is suspended by two springs each with spring constant k, and connected to a battery with electric potential V as shown in the figure. A magnetic field ~B is now imposed. The acceleration of gravity is 9.8 m/s2 . Which ...
April 14, 2011 by cr

physics
A bullet fired from a gun vertically upward with a muzzle velocity of 500 m/s. A) How long is the highest point reached? B) How long does it take the bullet to reach the ground after it is fired?
January 8, 2014 by Anonymous

physics
A bullet fired from a gun vertically upward with a muzzle velocity of 500 m/s. A) How long is the highest point reached? B) How long does it take the bullet to reach the ground after it is fired?
January 8, 2014 by Anonymous

physics
A bullet fired from a gun vertically upward with a muzzle velocity of 500 m/s. A) How long is the highest point reached? B) How long does it take the bullet to reach the ground after it is fired?
January 8, 2014 by Anonymous

Physics
A 83-kg fisherman in a 122-kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 4.7 m/s as in the figure below. Neglecting water resistance, and assuming the boat is at rest before the package is thrown, find the velocity of the boat ...
March 19, 2012 by J

Physics - Hellp Really Stuck!
1. A 0.20 kg object moves at a constant speed in a horizontal circular path of radius "r" while suspended from the top of a pole by a string of length 1.2 m. It makes an angle of 62 degrees with the horizontal. What is the speed of this object? 2. An object of mass 3 kg is ...
December 11, 2010 by Jennifer

College Physics
A rock thrown horizontally at a large bell 54.0 m away is heard to hit the bell 4.80 s later. If the speed of sound is 330 m/s, what was the speed (in meters/second) of the rock? (Disregard gravity.)
June 9, 2010 by Matt

physics
A stone with a weight of 5.38 N is launched vertically from ground level with an initial speed of 25.0 m/s, and the air drag on it is 0.269 N throughout the flight. What are (a) the maximum height reached by the stone and (b) its speed just before it hits the ground
November 29, 2010 by kate

Physics
A ball is thrown upward from the ground with an initial speed of 25 m/s; at the same instant, a ball dropped from rest from a building 15 m high. After how long will the balls be at the same height? The equations I have is final velocity squared = initial velocity squared plus...
September 24, 2006 by Becca

Physics
A 2.4 kg object attached to a horizontal string moves with constant speed in a circle of radius R on a frictionless horizontal surface. The kinetic energy of the object is 95 J and the tension in the string is 315 N. Find R.
October 4, 2011 by Allie

physics
A man threw a ball horizontally out of an elevator that was traveling upward at a rate of 5.50m/s. If the ball was thrown at a velocity of 10.5m/s when the elevator was 15.3m above the floor of the atrium. How far from the base of the elevator did it land?
October 15, 2014 by Anna

physics
A model rocket is launched straight upward with an initial speed of 51.6 m/s. It acceler- ates with a constant upward acceleration of 1.96 m/s2 until its engines stop at an altitude of 230 m. The acceleration of gravity is 9.81m/s^2. When does the rocket reach maximumheight? ...
October 15, 2011 by anonymous

physics
An object of mass 26 kg is thrown straight upwards from the ground at 27 m/s. Due to air resistance (a non-conservative force), the object loses some of its initial energy during its trip to reach maximum height and only travels to a height above the ground of 16.3 meters. ...
October 31, 2012 by Chelsea

physics
A model rocket is propelled upward by a cylinder of compressed water. The cylinder emits water at a rate of 0.050 kg/second with an exit speed of 80.0 m/s. Initially, the rocket has a mass of 0.15 kg, including the water cylinder. What is the rocket's initial upward ...
September 19, 2010 by Angela

physics
A model rocket is propelled upward by a cylinder of compressed water. The cylinder emits water at a rate of 0.050 kg/second with an exit speed of 80.0 m/s. Initially, the rocket has a mass of 0.15 kg, including the water cylinder. What is the rocket's initial upward ...
September 20, 2010 by Angela

algebra
suppose a ball is thrown upward from a height of 4.5 feet with an initial velocity of 21 feet per second. write an equation relating the time t and height h of the ball
January 26, 2014 by sam

physics
A man on the moon throws a ball vertically upwards and it is notices that the ball travels 3.0m less in the fifth second of its upward motion that it does in the third second. What is the acceleration due to gravity on the moon?
October 17, 2014 by Amjid

gr. 10 physics
I must find the speed of an object, the infermation that is given to me is:n height: 0.10 kinetic energy: 0.50 time travel o.72 (m/s squared). i belive that speed = 0.3... is this correct?
February 9, 2010 by Emily

physics
an object of mass m moves with a uniform speed v round a circular path of radius r.if its angular speed is g the magnitude of the centripetal force acting on it is?
September 12, 2014 by Josephine

Physics
A model rocket has a mass of 3.00 kg. It is fired so that when it is 220 m above the ground it is travelling vertically upward at 165 m/s. At that point its fuel runs out so that the rest of its flight is without power. Assume that the effect of air friction is negligible and ...
March 8, 2013 by Ravi

Physics
A 3800 kg open railroad car coasts along with a constant speed of 8.60 m/s on a level track. Snow begins to fall vertically and fills the car at a rate of 3.50 kg/min. ignoring friction with the tracks what is the speed of the car after 90.0 minutes?
November 11, 2009 by Sasha

Physics
An object of mass M = 649 g is pushed at a constant speed up a frictionless inclined surface which forms an angle θ = 50o with the horizontal. What is the magnitude of the force that is exerted by the inclined surface on the object?
October 10, 2009 by Lisa

Physics
An object with mass 3.7 is attached to a spring with spring stiffness constant 270 and is executing simple harmonic motion. When the object is 2.510−2 from its equilibrium position, it is moving with a speed of 0.45 . what is the amplitude of the motion?
August 30, 2012 by Lori

Physics
An object moves in the +x direction at a speed of 30 m/s. As it passes through the origin, it starts to experience a constant acceleration of 3.7 m/s2 in the -x direction. (b) How much time elapses before the object returns to the origin? _____________s
September 21, 2012 by arcos15

Physics
A small object, which has a charge q = 6.7 C and mass m = 9.60 10-5 kg, is placed in a constant electric field. Starting from rest, the object accelerates to a speed of 2.06 103 m/s in a time of 1.03 s. Determine the magnitude of the electric field. Answer in N/C
January 28, 2013 by Jasmine

Physics
An object with mass 5.0 kg is attached to a spring with spring stiffness constant 192 N/m and is executing simple harmonic motion. When the object is 0.35 m from its equilibrium position, it is moving with a speed of 0.02 m/s. Calculate the amplitude of the motion.
March 5, 2013 by Anonymous

Physics
An object with mass 5.0 kg is attached to a spring with spring stiffness constant 192 N/m and is executing simple harmonic motion. When the object is 0.35 m from its equilibrium position, it is moving with a speed of 0.02 m/s. Calculate the amplitude of the motion.
March 6, 2013 by Anonymous

Physics
Problem 2- A 4 kg object is attached to a vertical rod by two strings, as in the Figure. The object rotates in a horizontal circle at constant speed 6 m/s. Find the tension in (a) the upper string and (b) the horizontal string.
November 23, 2013 by Mariam

Physics 221
An electron is accelerated by a uniform electric field (1000 V/m) pointing vertically upward. Use energy methods to get the magnitude and direction of its velocity after it moves 0.10 cm form rest. Does the electron gain or lose potential energy?
December 31, 2013 by Jason

Physics Help
This is confusing me. I have to questions and I picked 2 answers but can someone tell me if I'm wrong and why? 1.)The distance an object travels per unit of time =a)Is its speed b)Is its velocity c)Is its acceleration 2.)The distance and direction an object travels per unit of...
July 12, 2010 by Ariel

Calc
A rock is thrown upwards (vertically) from the ground with an initial velocity of 40 feet per second. If acceleration due to gravity is -10 feet per second squared, how high will the rock go?
January 8, 2013 by Joe

Physics
An electrostatic paint sprayer has a 0.200-m-diameter metal sphere at a potential of 25.0 kV that repels paint droplets onto a grounded object. What charge must a 0.100-mg drop of paint have to arrive at the object with a speed of 10.0 m/s?
July 14, 2013 by katie

physics
Three forces acting on an object are given by F1 = ( 1.95i - 1.60j ) N, F2 = ( - 4.50i - 3.25j ) N, and F3 = ( 46.0j ) N. The object experiences an acceleration of magnitude 3.85 m/s2 (a) What is the direction of the acceleration? (b) What is the mass of the object? (c) What ...
March 5, 2009 by mightymouse

Grammar
Please check this. 1. We are going to tell John what happened. John= indirect object 2. Are you going to explain to your parents why you arrived home late? (Is this sentence grammatically correct?) Parents=indirect object 3. She isn't going to call us tonight. Us=direct object...
December 13, 2013 by Anonymous

Physics
A rocket blasts off vertically from rest on the launch pad with an upward acceleration of 2.30 . At 10.0 after blastoff, the engines suddenly fail, which means that the force they produce instantly stops. How high above the launch pad will the rocket eventually go? Find the ...
September 10, 2006 by JC

Ap physics
A person pushes a 15.0 kg lawn mower at constant speed with a force of 77.0 N directed along the handle, which is at an angle of θ = 49.0 to the horizontal . (a) Draw the free-body diagram showing all forces acting on the mower. (Do this on paper. Your instructor may ask...
September 10, 2010 by rayray

physics
a rock is thrown vertically down from a bridge with an initial velocity of 30m/s and strikes the water in 2.0sec. find the velocity with which the rock strikes and the height of the bridge.
June 20, 2014 by roger

Physics
Imagine that if you drop an apple from a certain height, its final speed is 20 m/s when it reaches the ground. If you throw the apple vertically downward from the same height with an initial speed of 20 m/s, what will be its final speed? I tried 2mgh=1/2mv^2 so that the mass ...
October 7, 2013 by Maddie

physics
A ball is shot upward from the ground with an initial velocity of 12.0 m/s, along a y-axis that extends upward and that has its origin y = 0 on the ground. How much time does the ball take to move upward from y = 3.00 m to y = 5.00 m?
September 12, 2013 by omar

Physics
A 1.40 kg skateboard is coasting along the pavement at a speed of 5.5 m/s when a 0.800 kg cat drops from a tree vertically downward onto the skateboard. What is the speed of the skateboard-cat combination.
February 3, 2014 by Jessica

physics
a rock is thrown horizontally with a speed of 17 m/s from a vertical cliff of height 34 m. A- I solved for t=2.63 B-How far will it land from the base of the cliff? im using x=xo+vox*t i get -6.46 and it is wrong. What am I doing wrong? C-What is the velocity (magnitude and ...
September 6, 2010 by tommy

Calculus
I am stuck on both of these questions. Would you please tell me if my reasoning is correct? 1. An object is dropped off a building. When comparing the average velocity of the object over equal time intervals, explain the difference between early time intervals and later time ...
April 10, 2014 by Sarah

Physics
What is the acceleration of a projectile fired vertically upwards? Is it positive or negative? Vertically downwards?
September 25, 2012 by amanda1012

physics
a 1.5-kg object moves up the y-axis at a constant speed. When it reaches the origin,the forces F1 =5.0 N at 37 deg above the the + x-axis, F2 = 2.5 N in the +x-direction, F3 = 3.5 N at 45 deg below the -x-axis, and F4 = 1.5 N in the -y direction are applied to it(a) Will the ...
January 17, 2008 by melissa

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