Saturday

July 26, 2014

July 26, 2014

Number of results: 16,694

**physics**

A uniform electric field ofmagnitude 384 V/m is directed in the positive x-direction. Suppose a 16 ěC charge moves from the origin to point A at the coordinates, (20 cm, 60 cm). What is the absolute value of the change in potential from the origin to point A? Answer in units of V
*January 23, 2012 by robert *

**physics 2**

A concave mirror has a focal length of 27.0 cm. The distance between an object and its image is 46.5 cm. Find the object and image distances, assuming the following. (a) that the object lies beyond the center of curvature do = di = (b) that the object lies within the focal ...
*April 10, 2012 by Anne*

**Physics**

Two pucks collide on a level air-hockey table. Puck A has a mass of 0.0250 kg and is moving initially due eastward at a speed of 5.50m/s. Puck B has a mass of 0.0500kg and is initially at rest. Right after collision, puck A is moving in a direction of 65 degrees north of east...
*November 2, 2009 by John*

**Physics HELP!!**

two horizontal forces F1 and F2, acting on an object of mass 1.11kg. The magnitude of F1 is 27.56N. The object moves strictly along the horizontal x-axis, which we choose as positive to the right. Find the magnitude of F2 if the object has a horizontal acceleration of 8.4m/s^2...
*October 31, 2012 by Angie*

**people**

1. Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on Earth also varies according to the elevation of the object? In particular, the weight of an object follows this equation: , where C is a constant, and...
*November 6, 2010 by Anonymous*

**physics**

A crate with mass 32.5 kg initially at rest on a warehouse floor is acted on by a net horizontal force of 140 . How far does the crate travel in 10.0s? What is its speed at the end of 10.0s?
*August 22, 2009 by colleen*

**Physics **

A dragster travels 1/4 mile in 6.1 seconds. Assuming the acceleration is constant and the dragster is initially at rest, what is the velocity when it crosses the finish line?plese explain.
*August 26, 2012 by Cin*

**physics**

A 2.7-kg block is moving to the right at 1.0 m/s just before it strikes and sticks to a 2.2-kg block initially at rest. What is the total momentum of the two blocks after the collision?
*March 2, 2014 by Anonymous*

**Science**

Why does changing the shape of an object have no effect on the density of that object? Because it's still the same item all you did is change how it looks. The mass and matter stays in the object. Is this correct
*April 3, 2013 by Jerald*

**physics**

2 masses are connected through a non-stretchable string that passes over a frictionless pulley. The masses of the objects are 12 kg and 5.5 kg respectively. The obj with larger mass is hanging 2.5 m fr the surface of a table. Suppose that the two objs are initially at rest. (a...
*January 15, 2012 by Sha*

**religion,help**

what is a good website where i can find the countries of origin for: hinduism buddhism confucianism daoism now one more question for right now. when they are asking for the country of origin do they refer to where did thAT NAME COME FROM? OR WHAT IS IT THAT THEY WANT. They ...
*January 13, 2007 by Kailin*

**algebra**

You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1. Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on earth also varies ...
*November 12, 2009 by linda*

**calculus**

An object moves along the x-axis, according to x= (pi/2)t + sin(pi t). a) What is the largest velocity such an object attains? b) Identify one interval on which the object is accelerating in a positive direction. Explain your reasoning. c) Name one part of that interval for ...
*January 26, 2012 by pleh*

**Grammar**

Here are some more- What kind of complement is the word in CAPS? 1.Fill the BUCKET with potting soil. A.direct object B.indirect object C.predicate nominative D.predicate adjective A? 2.The jigsaw puzzle is too EASY for me. A.direct object B.indirect object C.predicate ...
*May 11, 2009 by mysterychicken*

**Physics**

Consider the system shown in the figure with m1 = 25.00 kg, m2 = 10.20 kg, R = 0.18 m, and the mass of the uniform pulley M = 5.00 kg. Object m2 is resting on the floor, and object m1 is 4.00 m above the floor when it is released from rest. The pulley axis is frictionless. The...
*April 8, 2009 by Chris*

**Physics**

Two objects with masses 4.90 and 2.10 hang 0.800 above the floor from the ends of a cord 7.20 long passing over a frictionless pulley. Both objects start from rest. Find the maximum height reached by the 2.10 object. The heavier object will move .8 m down, the lighter will ...
*April 1, 2013 by Ben*

**Biology**

DNA synthesis starts at the Replication Origin. In what way(s) do you think that the Replication Origin might be similar to a Promoter and in what ways might it be different?
*February 10, 2013 by Anonymous*

**Physics relationship**

Let W1 represent the work required to accelerate an object on a frictionless horizontal surface from rest to a speed of v. if W2 represents the work required to accelerate the same object on the same surface from a speed of v to 2v, then which one of the following is the ...
*October 16, 2012 by Cody*

**Physics Physics Physics...**

A billiard ball traveling at 3.8 m/s has an elastic head-on collision with a billiard ball of equal mass that is initially at rest. The first ball is at rest after the collision. What is the speed of the second ball after the collision?
*December 15, 2011 by LaResha*

**physics**

An electron moving parallel to the x axis has an initial speed of 4.82 *10^6 m/s at the origin. Its speed is reduced to 1.46 * 10^5 m/s at the point x = 2.00 cm. Calculate the electric potential difference between the origin and that point.
*March 27, 2011 by Rachel*

**physics**

An electron moving parallel to the x axis has an initial speed of 4.82 *10^6 m/s at the origin. Its speed is reduced to 1.46 * 10^5 m/s at the point x = 2.00 cm. Calculate the electric potential difference between the origin and that point.
*March 27, 2011 by Rachel*

**Physics**

According to special relativity, the momentum (mv) of an object at relativistic speed is actually: more, less or no different than if it were at rest
*May 3, 2008 by clark*

**Physics**

If the net work done on an object is positive then the object's energy is ...? The object's energy would also increase since W= energy right? The object's energy wouldn't increase or decrease.
*October 17, 2007 by Andrea*

**physics**

An object starts sliding up a plane tilted at an angle of alpha = 5.0◦ to the horizontal. The object’s initial speed is v = 2.0m/s. How far from the start point does the object come to a stop if μK = 0.20?
*November 7, 2008 by Sandhya*

**English**

I need someone to diagram where the following parts of speech go; gerund, verb, infinitive, subject, prepositionalphrase, direct object, object compliment, participial phrase, and indirect object
*May 10, 2011 by addowlin21*

**physics**

A 1.0 kg object is given a push along a horizontal surface. If the velocity of the object when it is released is 0.50 m/s west, and the object slides 0.25m before coming to a stop, what is the magnitude of the force of friction?
*October 22, 2011 by Anonymous*

**Physics**

The mass of the object was 8 kilograms. The object was acted on by a foce of 20 angle 80degrees newtons. What was the acceleration of the object? Please walk me through the steps instead of just suggesting a formula.. Thank you!
*June 11, 2012 by Genny*

**Math**

Use lagrange multipliers to find the point on the plane x-2y 3z-14=0 that is closet to the origin?(try and minimize the square of the distance of a point (x,y,z) to the origin subject to the constraint that is on the plane) Help me please!
*December 7, 2010 by Justin*

**Algebra**

For each equation, determine whether its graph is symmetric with respect to the -axis, the -axis, and the origin. 4y^4+24x^2=28 and y=1/x^2+5 Check all symmetries that apply x-axis,y-axis,origin or non of the above.
*February 4, 2011 by Jena*

**physics**

Two charged particles q1 and q2 were initially at rest at a seperation of 2m in a gravity free space. Then evaluate after what time seperation between them will be 8m (neglect electromagnetic losses) .
*February 6, 2012 by arshee bhatt*

**PHYSICS**

Q: AN OBJECT IS MOVING PAST YOU IN A STRAIGHT LINE WITH A CONSTANT SPEED. YOU CAN CONCUDED A. THAT THERE IS A CONSTANT FORCE IN THE DIRECTION OF MOTION B. THAT THERE ARE NO FORCES ACTING ON THE OBJECT C. THAT THE NET FORCE ON THE OBJECT IS ZERO D. NONE OF THE ABOVE Q#2 IF YOU ...
*April 22, 2012 by JACOB*

**physics**

Q: AN OBJECT IS MOVING PAST YOU IN A STRAIGHT LINE WITH A CONSTANT SPEED. YOU CAN CONCUDED A. THAT THERE IS A CONSTANT FORCE IN THE DIRECTION OF MOTION B. THAT THERE ARE NO FORCES ACTING ON THE OBJECT C. THAT THE NET FORCE ON THE OBJECT IS ZERO D. NONE OF THE ABOVE Q#2 IF YOU...
*April 23, 2012 by JACOB*

**physics**

In the Atwood's machine of Figure 8-23, the two masses shown are initially at rest at the same height. After they are released, the large mass, m2, falls through a height h and hits the floor, and the small mass, m1, rises through a height h. The mass m2 remains at rest once ...
*March 31, 2011 by jennifer*

**physics**

The homework question asks: which work woulf be required to stop a moving object: the intial speed, the intial kinetic energy of the object, the mass of the object times it acceleration, the mass of the object times its intials speed, or the square of the intial speed of the ...
*November 5, 2006 by tatiana*

**Algebra**

Restated:For each equation, determine whether its graph is symmetric with respect to the -axis, the -axis, and the origin. 4y^4+24x^2=28 and y=1/(x^2+5) Check all symmetries that apply x-axis,y-axis,origin or non of the above.
*February 4, 2011 by Jena*

**Math**

18. Suppose for any ordered pair the x and y coordinate are always the same integer. Where are all the possible locations for these sets of ordered pairs? A.Quadrant 1 and 3 B.Quarants 1 and 3 and the origin C. Quadrants 2 and 4 D.Quadrants 2 and 4 and origin B
*September 16, 2013 by Jerald*

**physics**

Two pucks collide on an air hockey table. Puck A has a mass of 17.0 g and is initially traveling in the +x direction at 7.00 m/s. Puck B has a mass of 51.0 g and is initially at rest. After the pucks collide, puck A moves away at an angle of 52.0 deg above the +x axis, while ...
*March 24, 2014 by Tsion*

**Math**

Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on Earth also varies according to the elevation of the object? In particular, the weight of an object follows this equation: w=Cr^-2 , where C is a constant...
*September 17, 2010 by ASD*

**Physics**

An object of mass 1.4kg is placed 11.5 cm from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly increased, the object remains fixed on the turntable until a rate of 37 rpm is reached, at which point the object slides off. What is ...
*October 10, 2011 by John*

**Physics**

An object of mass 1.4kg is placed 12.0 cm from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly increased, the object remains fixed on the turntable until a rate of 36 rpm is reached, at which point the object slides off. What is ...
*October 5, 2012 by Chelsey*

**physics**

An object is moving along a straight line, and the uncertainty in its position is 2.40 m. (a) Find the minimum uncertainty in the momentum of the object. Find the minimum uncertainty in the object's velocity, assuming that the object is (b) a golf ball (mass = 0.0450 kg) and (...
*May 7, 2013 by Ashley*

**physics HELP!!**

An object is moving along a straight line, and the uncertainty in its position is 2.40 m. (a) Find the minimum uncertainty in the momentum of the object. Find the minimum uncertainty in the object's velocity, assuming that the object is (b) a golf ball (mass = 0.0450 kg) and (...
*May 7, 2013 by Ashley*

**Physics**

A uniform spherical shell of mass M = 19.7 kg and radius R = 1.62 m rotates about a vertical axis on frictionless bearings. A massless cord passes around the equator of the shell, over a pulley of rotational inertia I = 1.02 kg m2 and radius r = 0.63 m, and is attached to a ...
*June 2, 2012 by Rhi*

**Physics**

Find the energy necessary to put 5kg , initially at rest on Earth's surface, into geosynchronous orbit. Do I use the formula U=GMm/r G=6.67*10^-11 M=2.5*10^24 m=5 r=41000 Is this sort of right, any help would be greatly appreciated.
*March 29, 2009 by James*

**Physics**

Find the energy necessary to put 5kg , initially at rest on Earth's surface, into geosynchronous orbit. Do I use the formula U=GMm/r G=6.67*10^-11 M=2.5*10^24 m=5 r=41000 Is this sort of right, any help would be greatly appreciated.
*March 30, 2009 by James*

**Physics help pleaseee**

A cable with 21.2 N of tension pulls straight up on a 1.10 kg block that is initially at rest. What is the block's speed (in m/s) after being lifted 2.42 m assuming that the local acceleration due to gravity is 9.80 m/s2?
*November 9, 2011 by Me*

**Physics**

A uniform rod of length 176 cm is bent at its midpoint into a right angle. Then the bent rod is placed along the negative x and positive y axes, with the "bend point" located at the origin. What are the x and y coordinates of the center of mass of this object? my thoughts were...
*December 10, 2008 by Mel*

**Math**

The location of an object on the x-axis at time t seconds is given by x(t)= a + mt, where a, m are constants. (a) Where is the object located at time t=1? x(1)= a+m(1) = a+m (b) What is the average velocity of the object between 1 and 2 seconds? x(2)-x(1)/(2-1) a+2m-(a+m)=m (c...
*January 18, 2010 by SC*

**AP Physics B**

An object of mass 3.2 kg is allowed to fall from rest under the force of gravity for 3.5 s. What is the change in its momentum? Ignore air resistance.
*December 8, 2010 by Jamie*

**physics**

A 4.5 kg object is accelerated from rest to a speed of 39.2 m/s in 76 s. What average force was exerted on the ob- ject during this period of acceleration? Answer in units of N
*October 22, 2011 by brain*

**physics**

A bat at rest sends out ultrasonic sound waves at 51.1 and receives them returned from an object moving directly away from it at 22.3 .
*November 16, 2011 by Randy*

**physics**

What is the initial height big an object if, when dropped from rest , its kinetic energy is 21J 2/3 of the way towards the ground? The mass is 5
*December 28, 2011 by holly*

**physics**

An object glides on a horizontal tabletop with a coefficient of kinetic friction of 0.65. If it comes to rest after 0.9 seconds, what was its initial velocity?
*January 28, 2012 by Rachel *

**Science**

At the end of 2 seconds of free fall an object released from rest will have a speed of A. 5m/s B 10m/s C 15m/s D none of the above
*August 27, 2012 by Sue*

**physics**

A wire of radius one meter is centered on the origin in the xy plane. This wire carries a total charge of +Q. Another wire of length two meters runs along the z-axis and is centered at the origin. It carries total charge -Q. What is the electric field vector at any point on ...
*April 20, 2012 by allan*

**College Physics**

The graph shows the force exerted on an object versus the position of that object along the x-axis. The force has no components other than along the x-axis. If z is an increment of 25, then what is the work done by the force on the object as the object is displaced from 0 to 3...
*October 13, 2009 by Megan*

**Physics**

object A of mass 3g with a velocity of 12cm/s to the east, collides with stationary object B. After collision, object A rebounds with a velocity of 10cm/s to the west and object B has a velocity of 1.5cm/s to the east. Calculate the mass of obeject B
*May 9, 2012 by Sarah*

**Physics**

Cart A, of mass 3.00 kg, approaches and collides with cart B, which has a mass of 7.00 kg and is initially at rest. When the springs have reached their maximum compression, a. cart A has come to rest relative to the ground. b. both carts have the same velocity. c. both carts ...
*March 5, 2011 by Joe *

**Physics**

Cart A, of mass 3.00 kg, approaches and collides with cart B, which has a mass of 7.00 kg and is initially at rest. When the springs have reached their maximum compression, a. cart A has come to rest relative to the ground. b. both carts have the same velocity. c. both carts ...
*March 6, 2011 by Ana*

**physics**

An object (with charge -4.2 µC and mass 0.024 kg) hovers at rest above the ground, its weight being held up by a uniform electric field.(a) Find the size and direction of this electric field.(b) If the electric charge on the object is quadrupled while its mass remains the same...
*February 4, 2014 by John*

**physics**

An object (with charge -4.2 µC and mass 0.024 kg) hovers at rest above the ground, its weight being held up by a uniform electric field.(a) Find the size and direction of this electric field.(b) If the electric charge on the object is quadrupled while its mass remains the same...
*February 4, 2014 by John*

**8th grade science**

A 1 kg ball moving at 3 m/s strikes a 2 kg ball and stops. If the 2kg ball was initially at rest, find its top speed after the collision
*December 1, 2010 by tressie*

**Physics**

A 28 kg ball initially at rest rolls down a 159 m hill. When the ball reaches the bottom it is traveling at 31.3 m/s. How much energy is dissipated by friction on the ball?
*March 14, 2014 by Anonymous*

**physics**

When you are running and want to stop quickly, you must decelerate quickly. What is the origin of the force that causes you to stop? Estimate the maximum rate of deceleration of a person running at top speed to come to rest.
*September 11, 2009 by perry*

**Physics**

A proton is released from rest in a uniform electric field which is directed along the x axis and of magnitude E=2*10exponent5 V/m.The proton undergoes a displacement from point A at the origin to point B at x=0.2m.What is the change in the potential energy of the proton ...
*January 17, 2011 by Joel*

**Physics**

I've been working on this problem for close to an hour now and keep getting very wrong numbers... The two objects with different mass (m1 = 5.0 kg and m2 = 3.0 kg) in the Atwood's machine shown in the figure are released from rest, with one object at a height of 0.91 m above ...
*April 20, 2014 by Confused*

**Physics **

A block of mass 12.0 kg is initially sitting at rest on a 30.0o incline. There is a spring mounted to the ramp with spring constant k = 13500 N/m. The block is released to slide down the incline and comes to a stop momentarily after the spring has been compressed a distance ...
*May 30, 2014 by Allen*

**Physics**

Hello everyone I know that when a force is applied it has to exert a force opossite But this really is not in my head can someone please give me an evidence or even a diagram showing how can we exert an opposite force if we are walking forwards Thanks alot When we are walking ...
*June 7, 2007 by Jimmy*

**physics**

suppose the glider is initially at rest at x=0, with the spring unstretched. You then apply a constant force in the +x direction with magnitude 0.610 N to the glider. what is the glider's velocity when it has moved 0.100m?
*August 17, 2012 by zianna*

**physics**

suppose the glider is initially at rest at x=0, with the spring unstretched. You then apply a constant force in the +x direction with magnitude 0.610 N to the glider. what is the glider's velocity when it has moved 0.100m?
*August 19, 2012 by Carl*

**physics**

suppose the glider is initially at rest at x=0, with the spring unstretched. You then apply a constant force in the +x direction with magnitude 0.610 N to the glider. what is the glider's velocity when it has moved 0.100m?
*August 22, 2012 by Carl*

**physics**

suppose the glider is initially at rest at x=0, with the spring unstretched. You then apply a constant force in the +x direction with magnitude 0.610 N to the glider. what is the glider's velocity when it has moved 0.100m?
*August 22, 2012 by zianna*

**physics**

suppose the glider is initially at rest at x=0, with the spring unstretched. You then apply a constant force in the +x direction with magnitude 0.610 N to the glider. what is the glider's velocity when it has moved 0.100m?
*August 23, 2012 by zianna*

**physics**

suppose the glider is initially at rest at x=0, with the spring unstretched. You then apply a constant force in the +x direction with magnitude 0.610 N to the glider. what is the glider's velocity when it has moved 0.100m?
*August 23, 2012 by zianna*

**I need help (Physics)**

A 28 kg ball initially at rest rolls down a 159 m hill. When the ball reaches the bottom it is traveling at 31.3 m/s. How much energy is dissipated by friction on the ball?
*March 14, 2014 by Help please*

**AP Physics**

a 45 kg object slides down an uneven frictionless incline from rest without rotating. What is its speed after it travels 2.5 meters vertically
*October 30, 2010 by Asim*

**Physics**

Calculate the vertical distance an object dropped from rest would cover in 12s if it fell freely without air resistance.
*November 24, 2010 by Catherine*

**physics**

If 4.5 kg object is sitting at rest on a 30 degree incline that has a coefficient of static friction of .19, what is the net force down the plane? Does it start sliding?
*February 19, 2013 by Aaron*

**physics**

A popular pastime is to see who can push an object closest to the edge of a table without its going over. You push a 130 g object and release it 2.00 m from the table edge. Unfortunately, you push a little too hard. The object slides across, sails off the edge, falls 1.00 m to...
*October 19, 2009 by Brian*

**fizik**

Two shuffleboard disks of equal mass, one orange and the other yellow are involved in a perfectly elastic glancing collision. The yellow disk is initially at rest and is struck by the orange disk moving initially to the right at 7.00 ms"1. After the collision, the orange disk ...
*April 11, 2011 by alya*

**physics**

Two shuffleboard disks of equal mass, one orange and the other green, are involved in a perfectly elastic glancing collision. The green disk is initially at rest and is struck by the orange disk moving initially to the right at oi = 5.90 m/s as in Figure (a) shown below. After...
*June 14, 2013 by beneth*

**Physics**

A particle is in uniform circular motion about the origin of an xy coordinate system, moving clockwise with a period of 3.50 s. At one instant, its position vector (from the origin) is r = (8.00 m) ihat - (7.00 m) jhat. At that instant, what is its velocity in unit-vector ...
*February 4, 2010 by Britney*

**Math**

An object is thrown from the top of an 80 foot building with an initial velocity of 64 feet per second. The height (h) of the object after (t) seconds is given by the quadratic equation h=-16t+64t+80 .When will the object hit the ground?
*September 6, 2012 by Medusa.*

**math**

an object is thrown upward from the top of a 80-foot building with a initial velocity of 65 feet per second. The height h of the object after t seconds is given by the equation h=-16t2+64t+80. when will the object hit the ground
*October 12, 2012 by Anonymous*

**Physics**

A 2.285 kg object is held in place on an inclined plane that makes an angle of 40 degrees with the horizontal. The coefficient of static friction between the plan and the object is 0.552. A second object that has a mass of 4.75 kg is connected to the first object with a ...
*October 6, 2012 by Mike*

**physics**

A light inflexible cable is wrapped around a cylinder of mass , radius , and moment of inertia about the center of mass . The cylinder rotates about its axis without friction. The cable does not slip on the cylinder when set in motion. The free end of the cable is attached to ...
*November 10, 2013 by Anonymous*

**physics**

Objects of masses m1 = 4.00 kg and m2 = 9.00 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The object m1 is held at rest on the floor, and m2 rests on a fixed incline of θ = 39.0°. The objects are released from rest, and...
*September 28, 2011 by Anonymous*

**physcis**

A spring of negligible mass stretches 2.20 cm from its relaxed length when a force of 10.50 N is applied. A 1.100 kg particle rests on a frictionless horizontal surface and is attached to the free end of the spring. The particle is displaced from the origin to x=5.0 cm and ...
*November 26, 2012 by Anonymous*

**physics**

A spring of negligible mass stretches 2.20 cm from its relaxed length when a force of 10.50 N is applied. A 1.100 kg particle rests on a frictionless horizontal surface and is attached to the free end of the spring. The particle is displaced from the origin to x=5.0 cm and ...
*November 26, 2012 by Anonymous*

**physics**

A spring of negligible mass stretches 2.20 cm from its relaxed length when a force of 10.50 N is applied. A 1.100 kg particle rests on a frictionless horizontal surface and is attached to the free end of the spring. The particle is displaced from the origin to x=5.0 cm and ...
*November 26, 2012 by Anonymous*

**physics**

A spring of negligible mass stretches 2.20 cm from its relaxed length when a force of 10.50 N is applied. A 1.100 kg particle rests on a frictionless horizontal surface and is attached to the free end of the spring. The particle is displaced from the origin to x=5.0 cm and ...
*November 26, 2012 by Anonymous*

**physics**

A spring of negligible mass stretches 2.20 cm from its relaxed length when a force of 10.50 N is applied. A 1.100 kg particle rests on a frictionless horizontal surface and is attached to the free end of the spring. The particle is displaced from the origin to x=5.0 cm and ...
*November 26, 2012 by Anonymous*

**physics**

A spring of negligible mass stretches 2.20 cm from its relaxed length when a force of 10.50 N is applied. A 1.100 kg particle rests on a frictionless horizontal surface and is attached to the free end of the spring. The particle is displaced from the origin to x=5.0 cm and ...
*November 28, 2012 by Anonymous*

**physics**

An object falling under the pull of gravity is acted upon by a frictional force of air resistance. The magnitude of this force is approximately proportional to the speed of the object, which can be written as f = bv. Assume that b = 14 kg/s and m = 41 kg. (a) What is the ...
*February 28, 2011 by polo Q*

**physics**

An object falling under the pull of gravity is acted upon by a frictional force of air resistance. The magnitude of this force is approximately proportional to the speed of the object, which can be written as f = bv. Assume b = 16 kg/s and m = 58 kg. (a) What is the terminal ...
*September 29, 2012 by Anonymous*

**Physics**

The acceleration of gravity on the moon is about 1.6 m/sec2. An experiment to test gravity compares the time it takes objects to reach a speed of 10 m/sec after being dropped from rest. How long does an object dropped on the moon have to fall compared to an object dropped on ...
*September 4, 2007 by Stephanie*

**Applied Physics**

An object is dropped from a height of 49 meters. The object takes 3.2s to hit the ground. The final velocity of the object when it hits the ground is -31 m/s
*May 14, 2011 by EJ*

**physics**

A steady 50 N horizontal force is applied to a 10 kg object on a table. The object slides against a friction force of 35 N. Calculate the acceleration of the object in m/s.
*February 6, 2013 by tash*

**physics**

An object in static equilibrium has a coefficient of static friction as 0.110. If the normal force acting on the object is 95.0 newtons, what is the mass of the object?
*May 21, 2013 by ksg*

**physics**

A 0.025 kg object vibrates in SHM at the end of a spring. If the maximum displacement of the object is 0.030 cm, and its period is 0.50s, what is the maximum acceleration of the object?
*November 24, 2010 by jane*

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