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September 2, 2015

Search: A 10 kg block slides down a frictionless slope which is at angle = 29 . Starting from rest, = 29 . Starting from rest,= 29 . Starting from rest,= 29 . Starting from rest,

Number of results: 42,196

science
the is the starting sallery of a food scientist?
September 17, 2008 by bob

Math
Hi! I am just starting algebra in my class, and I do not get it. If s=10, then 5s=?
November 5, 2010 by Janessa

Algebra/math 117
sequence an = 6n, starting with n = 1.
October 24, 2014 by Amy Pierre

Physics
A 60 kg block slides along the top of a 100 kg block with an acceleration of 3.0 m/s2 when a horizontal force F of 320 N is applied. The 100 kg block sits on a horizontal frictionless surface, but there is friction between the two blocks. (a) Find the coefficient of kinetic ...
October 12, 2011 by Henry

physics
A 25 g bullet traveling at 280 m/s passes completely through a wooden block, initially at rest on a smooth table. The block has a mass of 1000 g. The bullet emerges traveling in the same direction, but at 50 m/s. What percentage of total kinetic energy is lost in the process?
November 15, 2011 by Rebecca

Physics
A 1.5 N force acts on a .20 kg cart so as to accelerate it along a frictionless track. If it is accelerated from rest, how fast is it going after .3m? The answer given is 2.12 m/s but I am not sure how to get to that.
November 17, 2011 by Brooke

Physics
At the instant a race began, a 89.1 kg sprinter exerted a force of 710 N on the starting block in the direction 110 degrees measured clockwise from the positive x-axis. (a) What was the horizontal acceleration of the sprinter? a_x = (b) If the force was exerted for 0.7 s, ...
February 21, 2014 by Rylan

Physics
1.A bus travels 400 m between two stops. It starts from rest and accelerates at 1.50 m/s^2 until it reaches a velocity of 9.00 m/s. The bus continues at this velocity and then decelerates at 2 m/s^2 until it comes to a halt. Find the total time required for the journey. 2.A 28...
September 6, 2014 by Anonymous

physics
Block A has a mass of 4.1 kg, and it is on a frictionless surface. A string tied to this mass passes over a frictionless pulley, and is attached to a hanging block (Block B), as shown in the image below. The blocks then accelerate at 2.3 m/s/s. What is the mass of Block B?
February 8, 2010 by Anonymous

physics
A train is traveling up a 5.2 incline at a speed of 3.09 m/s when the last car breaks free and begins to coast without friction. (a) How long does it take for the last car to come to rest momentarily? (b) How far did the last car travel before momentarily coming to rest?
September 20, 2009 by jawn

physics
A train is traveling up a 3.6 incline at a speed of 3.30 when the last car breaks free and begins to coast without friction. How long does it take for the last car to come to rest momentarily? and how far did the last car travel before momentarily coming to rest?
October 3, 2010 by Anonymous

Physics
A centrifuge rotor rotating at 11500 is shut off and is eventually brought uniformly to rest by a frictional torque of 1.52 . a.If the mass of the rotor is 6.07 and it can be approximated as a solid cylinder of radius 0.0750 , through how many revolutions will the rotor turn ...
November 27, 2012 by Melissa

Physics
A pendulum consists of a sphere of mass 1.5 kg attached to a light cord of length 10.9 m as in the figure below. The sphere is released from rest when the cord makes a 58 degree angle with the vertical, and the pivot at P is frictionless. The acceleration of gravity is 9...
January 10, 2012 by Amanda and Leah

Physics
A straight path is inclined at an angle of 15 degree to the horizontal. A loaded skip of total mass 1500 kg is at rest on the path and is attached to a wall at the top of the path by a rope. The rope is taut and parallel to a line of greatest slope of the path, as shown in the...
February 19, 2013 by Josep

physics
A box of mass 1.95 kg slides down a frictionless ramp inclined at an angle θ= 42.9 at constant speed. The force exerted on the box by the ramp is how many Newtons?
September 22, 2012 by Amy

AP physics
A car is traveling at 60.0 mph when it collides with a stone wall. The car comes to rest after the first foot of the car is crushed. What was the average horizontal force acting on a 150-lb driver while the car came to rest? If five cardboard boxes, each 4 ft wide and filled ...
September 24, 2013 by leia

College Physics
A 26.5 kg block (m1) is on a horizontal surface, connected to a 6.90 kg block (m2) by a massless string. The frictionless pulley has a radius R = 0.096 m and a moment of inertia I=0.080 kgm2 m2 is hanging straight down from the pulley over the edge of the surface. A force F = ...
March 5, 2012 by Anonymous

Physics Help
1.9 kg block slides along a frictionless surface at 1.8 m/s. A second block, sliding at a faster 4.5 m/s, collides with the first from behind and sticks to it. The final velocity of the combined blocks is 3.5 m/s. What was the mass of the second block? How do you set this ...
August 10, 2011 by falcon306

Physics
A dock worker applies a constant horizontal force of 79.0 N to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves 11.0 m in the first 6.00 s. What is the mass of the block of ice? Work done = final kinetic ...
September 19, 2006 by Veronica

physics
1.) A vertical spring with a spring constant of 450 N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.30 kg block is dropped from rest. It collides with and sticks to the spring, which is compressed 2.5 cm in bringing the block to a ...
December 12, 2010 by David

physics
1.) A vertical spring with a spring constant of 450 N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.30 kg block is dropped from rest. It collides with and sticks to the spring, which is compressed 2.5 cm in bringing the block to a ...
December 13, 2010 by David

trigonometry
using the law of sines, solve the rest of the triangle: side C=14 side B=4 angle c=145 degrees i got angle b= 9.4 angle a=25.6 side A=10.4 but i didn't know if it was correct
January 23, 2011 by hw

Physics
A box is sitting at rest at the top of a ramp 3.00m long at an angle to the horizontal of 12 degrees. When the box reaches the bottom of the frictionless ramp, it falls an additional 2.00 m vertically before hitting the floor. How far from the right end of the ramp does the ...
November 12, 2014 by Jane

Physics
A 0.030-kg bullet is fired straight up at a falling wooden block that has a mass of 5.0 kg. The bullet has a speed of 700 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for a time t when the collision ...
October 24, 2010 by Xavier

Physics
A 0.012-kg bullet is fired straight up at a falling wooden block that has a mass of 5.0 kg. The bullet has a speed of 670 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for a time t when the collision ...
January 11, 2011 by Tom Atlus

Physics
A 0.014 kg bullet is fired straight up at a falling wooden block that has a mass of 4.0 kg. The bullet has a speed of 760 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for a time t when the collision ...
October 22, 2012 by Elizabeth

Physics
A 0.0122-kg bullet is fired straight up at a falling wooden block that has a mass of 2.17 kg. The bullet has a speed of 813 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for a time t when the ...
October 13, 2013 by Briana

Physics!
A 0.0124-kg bullet is fired straight up at a falling wooden block that has a mass of 3.96 kg. The bullet has a speed of 756 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for a time t when the ...
October 19, 2014 by Sanz

Physics
A skier swoops down a hill and over a ramp. She starts from rest at a height of 18m, leaves the ramp at an angle of 45 degrees, and just clears the snowman on her way down, making an angle of 30 degrees with the vertical as she does. Assuming that there is no friction, and ...
June 17, 2014 by Jenny

maths
would it be number 6? The head of an industrial machine moves in a straight line horizontally backwards and forwards from a central position. The movement can be modelled using the sine wave d = 80 sin ( pie t), where d is the horizontal distance (in cm) from the central ...
May 11, 2007 by katie

Physics/mats
Two blocks with masses m1 = 1.40 kg and m2 = 3.00 kg are connected by a massless string, as shown in the Figure. They are released from rest. The coefficent of kinetic friction between the upper block and the surface is 0.390.In the figure m1 is on top of a horizontal table ...
March 7, 2013 by HP

physic
In an accidental explosion, a satellite breaks in half while in circular orbit about Earth. One half is brought momentarily to rest. What is the fate of the half brought to rest? What happens to the other half?
April 21, 2010 by bernice

ITT
In an accidental explosion, a satellite breaks in half while in circular orbit about earth. one half is brought momentarily to rest. what is the fate of the half brought to rest? what happens to the other half?
October 19, 2010 by ed

Physics
In an accidental explosion, a satellite breaks in half while in circular orbit about earth. One half is brought momentarily to rest. What is the fate of the half brought to rest? What happens to the other half?
October 20, 2010 by ed

Maths
Humans breathe about 15 breaths in a minute.The average breath at rest contains 0.76 liter of air.About how many liters of air will you breathe while at rest for 25 minutes? Please,show working.
January 21, 2011 by Anonymous 1

Physics
Salmon often jump waterfalls to reach their breeding grounds. Starting 2.00 m from a waterfall 0.55 m in height, at what minimum speed must a salmon jumping at an angle of 32.0 degrees leave the water to continue up stream? help plz...stuck....thx
October 8, 2014 by LaVonda Smith

Physics
A vertical spring with a spring constant of 400 N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.30 kg block is dropped from rest. It collides with and sticks to the spring, which is compressed by 2.7 cm in bringing the block to a momentary...
November 30, 2011 by Anne

Physics
A vertical spring with a spring constant of 400 N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.30 kg block is dropped from rest. It collides with and sticks to the spring, which is compressed by 2.7 cm in bringing the block to a momentary...
December 1, 2011 by Anne

Physics
A vertical spring with a spring constant of 410 N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.26-kg block is dropped from rest. It collides with and sticks to the spring, which is compressed by 2.8 cm in bringing the block to a momentary...
December 10, 2012 by Clark

Physics
A vertical spring with a spring constant of 400 N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.30 kg block is dropped from rest. It collides with and sticks to the spring, which is compressed by 2.3 cm in bringing the block to a momentary...
January 30, 2013 by Aaron

Physics
*I am lost on a bunch of different problems, and this is one of them. Please note that I am NOT asking for final answers, just some guidance so that I can figure out how to do the problem!!! I know that a lot of times on this site it is commented that we are fishing for ...
October 8, 2006 by Justin

Physics
TWo blocks of massses 20 kg and 8 kg are connected together by a light string and rest on a frictionless level surface. Attached to the 8 kg mas is a second light string, which a person uses to pull both blocks horizontally. If the two-block system accelerates at .5 m/s ...
October 25, 2010 by Gail

trigonometry
a submarine at the surface of the ocean makes an emergency dive, its path making an angle of 21 degree with the surface. if it goes 300m long its download path, how deep will it be? what horizontal distance is it from its starting point?
December 10, 2012 by riza

Physics
An airplane flies 220 km due east, makes a right-angle, and then flies 400 km due north. Find the magnitude of the plane's displacement from it's starting point. Neglect the culrvature of the earth
September 14, 2014 by Jose

Advanced Functions
Rena has been offered entry-level positions with two firms. Firm A offers a starting salary of $40 000 per year, with a $2000 per year increase guaranteed each subsequent year. Firm B offers a starting salary of $38 500, with a 5% increase every year after that. a)After how ...
December 13, 2009 by please help!

physics
trunk with mass of 200 kig on ramp with 45 degree angle with the horizontal. Ramp covered with ice and frictionless. Find acceleration of trunk as slides down.
November 18, 2010 by anonymous

VHS
A ski starts from rest and slides down 22 degree incline 75 m long.If the coefficient of friction is .090 what is the ski's speed at the base of incline and if the snow is level at the foot of the incline and has the same coefficient of friction,how far will the ski travel ...
October 21, 2012 by SP

physics
Calculate the acceleration of a sled that is heading down a 50 slope (one that makes an angle of 50 with the horizontal). The coefficient of kinetic friction on ice is μk = 0.100. (Take the x direction to be parallel to and down the slope and the y direction to be ...
December 14, 2014 by mathew

PHYSICS
A block of mass 0.86 kg is suspended by a string which is wrapped so that it is at a radius of 0.061 m from the center of a pulley. The moment of inertia of the pulley is 4.6010-3 kgm2. There is friction as the pulley turns. The block starts from rest, and its speed after it...
October 21, 2012 by Emily

physics
a 1200 kg car going 30 m/s applies its brakes and skids to rest. if the friction force between the sliding ires and the pavement is 6000 N, how far does the car skid before coming to rest. I know the ans is 90 m what work/energy formula should i use to get this answer? can you...
February 11, 2010 by edwin

Physics
A centrifuge rotor rotating at 10700 rpm is shut off and is eventually brought uniformly to rest by a frictional torque of 2.48 m * N. 1. If the mass of the rotor is 5.61 kg and it can be approximated as a solid cylinder of radius 0.0820 m, through how many revolutions will ...
November 22, 2010 by Nick

Dynamics
a flywheel has an angular speed of 1200rev/min when its motor is turned off.the wheel attains constant decelerations of 1.5rad/s2 due to friction in its bearing.determine the time required for the wheel to come to rest and the numer of revolutions the wheel makes before it ...
August 1, 2012 by sanjeev kumar

physics
A block of mass m is held against a spring of spring constant k which is compressed a distance Ax. On the shaded region (d = 2 m), there is a coefficient of kinetic friction = 0.3 microcontroller, which then applies the rest of the course takes place without friction. The loop...
November 17, 2011 by sarah

Physics
Do Newton's Law apply to motion inside your car? A.Yes, but only when at rest. B.Yes, but only when traveling at constant velocity or at rest. C.No, never. D.Yes, always. So I tried answering the question with D at first because I was thinking that it is a car in motion so ...
July 8, 2014 by Sophie

physics
A small block of mass 42 kg slides along a frictionless loop-the-loop track. The radius of the loop is 5 meters. At what height above the bottom of the track should the block be released from so that it just makes it through the loop-the-loop without losing contact with the ...
March 7, 2014 by Anonymous

physics
A gun is fired vertically into a 1.55 kg block of wood at rest directly above it. If the bullet has a mass of 21.0 g and a speed of 190 m/s, how high will the block rise into the air after the bullet becomes embedded in it? i don't even know where to begin... would it have ...
October 31, 2006 by Haley

physics
a mass m1 moves along the x-axis with velocity of magnitude v0 on a frictionless table. it strikes another mass m2 which is initially at rest. the mass m1 goes off along the the y-axis. if half the original kinetic energy is lost in the collision, with what speed and at what ...
November 30, 2010 by shamrakh

Physics
A particle, starting from point A in the drawing at a height h0 = 2.3 m, is projected down the curved runway. Upon leaving the runway at point B, the particle is traveling straight upward and reaches a height hf = 4.6 m above the floor before falling back down. Ignoring ...
November 2, 2008 by Brandon

physics
A particle, starting from point A in the drawing at a height h0 = 3.1 m, is projected down the curved runway. Upon leaving the runway at point B, the particle is traveling straight upward and reaches a height hf = 4.5 m above the floor before falling back down. Ignoring ...
September 26, 2011 by Anonymous

physics
A particle, starting from point A in the drawing at a height h0 = 3.2 m, is projected down the curved runway. Upon leaving the runway at point B, the particle is traveling straight upward and reaches a height hf = 4.1 m above the floor before falling back down. Ignoring ...
December 8, 2011 by joe

physics
A particle, starting from point A in the drawing at a height h0 = 3.2 m, is projected down the curved runway. Upon leaving the runway at point B, the particle is traveling straight upward and reaches a height hf = 4.1 m above the floor before falling back down. Ignoring ...
December 8, 2011 by Anonymous

Programming (Integer generator)
Write a program that accepts two numeric values from the user and displays all integers between these values. Your program will Accept a starting value Accept an ending value Display all the integers (inclusive) between those two values. Your program should count up or down (...
November 6, 2014 by Jane

Math
To confuseing I need help. In honor of school spirit week, the student council decided to decorate lockers in the main lobby. The 9th graders officers stuck a decal of Smiley, the school mascot, on every third locker, starting with the third. The 10th graders officers taped a...
March 3, 2008 by Mack

physics
A block of mass m1 = 13.5 kg rests on a wedge of angle θ = 27∘ placed over a table.. An inextensible string is attached to Block M1, passes over a frictionless pulley at the top of the wedge, and is then attached to another block of mass M2 = 3 kg. The coefficient ...
October 1, 2013 by ss01

math
x + 6y = 30 y = -1/6 x + 5 how do I identify the slope and the y-intercept of the equation for the second one and change the equation into slope-intercept form for the first one? I will do the rest on my own thanks
October 11, 2013 by ty

Physics
If the ball is released from rest at a height of 0.71 above the bottom of the track on the no-slip side, what is its angular speed when it is on the frictionless side of the track? Assume the ball is a solid sphere of radius 3.4 and mass 0.14 . How high does the ball rise on ...
November 23, 2010 by Ree

research writing
What would you do differently if your were just starting this course?
June 11, 2009 by Katy

english
make sentences with words starting with alphabet a-z
June 21, 2010 by simi

chemistry
What are the steps of protein synthesis starting with DNA?
December 11, 2011 by anonymous

Phsyics
Can someone give me some pointers on calculating the rest energy of a positron (a particle that has the same mass as an electron and equal but opposite charge) ? thanks The rest energy is equal to the mass times the speed of light squared.
May 24, 2007 by Jess

physics
A car starts from rest and moves along x-axis with constant acceleration (5m/secondsquare) fr 8 sec. If it then countinues with constant velocity. What distance will the car cover in 12 sec since it started frm rest. plz anybody explain me
July 5, 2012 by Maihul

MEchanics M-1 (Velovity time graphs)
A dragonfly, at rest on a bullrush, decides to fly to a second bullrush 18 m away. It accelerates uniformly to a speed of. 5 m s-1, then immediately decelerates uniformly to rest on the second bulrish. Howlong the journey took?
March 9, 2013 by Tony

Physical Science/light
An object 5 millimeters high is located 15 millimeters in front of a plane mirro. How far from the mirror is the image located? The focal length f of a plane mirror is infinity and 1/f = 0. The optical equation becomes 1/Do + I/Di = 1/f = 0 Do is the distance to the object and...
August 29, 2005 by Angie

physics
The length of a simple pendulum is 0.82 m and the mass of the particle (the "bob") at the end of the cable is 0.69 kg. The pendulum is pulled away from its equilibrium position by an angle of 6.7 and released from rest. Assume that friction can be neglected and that the ...
November 3, 2006 by jennifer

Physic
A hockey puck leaves a player's stick with a speed of 8.60 and slides 38.0 before coming to rest. Find the coefficient of friction between the puck and the ice.
July 10, 2010 by Andrea

AP Physics Word Problems ASAP!
Could you please help me out with the following problems please? If a rocket initially at rest accelerates at a rate of 50 m/s^2 for one minute, its speed will be ? ( I know there are 60 seconds in 1 minute, so would I just use the formula, d=vt, and I would get 3000 m/s) It ...
September 5, 2007 by Cheyanne

PHYSICS HELP
A pulley of mass mp , radius R , and moment of inertia about its center of mass Ic , is attached to the edge of a table. An inextensible string of negligible mass is wrapped around the pulley and attached on one end to block 1 that hangs over the edge of the table. The other ...
November 17, 2013 by Anonymous

Physics
A pulley of mass mp , radius R , and moment of inertia about its center of mass Ic , is attached to the edge of a table. An inextensible string of negligible mass is wrapped around the pulley and attached on one end to block 1 that hangs over the edge of the table. The other ...
November 24, 2013 by Chelsea

Economics
a. Plot (EXCEL directions are on this site.) these production possibilities data, placing automobiles on the horizontal axis. What is the opportunity cost of the first 2,000 automobiles produced? Between which points is the opportunity cost per thousand automobiles highest? ...
August 22, 2009 by Shellie

Physics
A man can swim in still water at a speed of 3km/hr.He wants to cross the river that flows at 2km/hr and reach the point directly opposite to his starting Point.find the angle if his body makes with the river flow.
August 21, 2015 by Anonymous

Physics
A 0.40kg block is held against a compressed spring of stiffness 68.2N/m and compression 0.64m parallel to a 24 degree incline that is 1.27m long. The coefficient of kinetic friction between the block and the incline is 0.34. The external force holding the block against the ...
October 18, 2012 by Alphonse

Physics 1
A mass of 5.2 kg lies at the top of a frictionless incline. It is inclined at an angle such that the normal force on the mass is 29 Newtons. If the length of the incline is 78 meters and the mass is originally at rest at the top of the incline and then released, how long does ...
October 1, 2011 by Jon

Physics 1
A mass of 5.2 kg lies at the top of a frictionless incline. It is inclined at an angle such that the normal force on the mass is 29 Newtons. If the length of the incline is 78 meters and the mass is originally at rest at the top of the incline and then released, how long does ...
October 4, 2011 by J

Physics
A mass of 5.6 kg lies at the top of a frictionless incline. It is inclined at an angle such that the normal force on the mass is 30 Newtons. If the length of the incline is 58 meters and the mass is originally at rest at the top of the incline and then released, how long does ...
October 5, 2011 by Tina

Physics
A mass of 5.6 kg lies at the top of a frictionless incline. It is inclined at an angle such that the normal force on the mass is 30 Newtons. If the length of the incline is 58 meters and the mass is originally at rest at the top of the incline and then released, how long does ...
October 5, 2011 by Tina

Physics
A m1 = 4.20-kg block on a smooth tabletop is attached by a string to a hanging block of mass m2 = 2.70 kg, as shown in the figure. The blocks are released from rest and allowed to move freely. a) Find the acceleration of the blocks. ___m/s^2 b) Find the tension in the string. ...
October 16, 2012 by Alyssa

pop
4. If your speeding car slams into a haystack and comes to rest, how will the IMPULSE that acts on it compare with slamming into a brick wall and coming to rest? A) The impulse will be more. B) The amount of impulse will be the same either way. C) The impulse will be less
February 19, 2012 by Anonymous

Physics 1
A skier of mass 109 kg travels down a frictionless ski trail. a)If the top of the trail is a height 218 m above the bottom, what is the work done by gravity on the skier? _____J b)Find the velocity of the skier when he reaches the bottom of the ski trail. Assume he starts from...
October 8, 2012 by John

physics
Children slide down a frictionless water slide that ends at a height of 1.80 m above the pool. If a child starts from rest at point A and lands in the water at point B, a horizontal distance L = 2.43 m from the base of the slide, determine the height h of the water slide.
November 30, 2012 by HELP!!!

physics
A block of mass 0.74 kg is suspended by a string which is wrapped so that it is at a radius of 0.060 m from the center of a pulley. The moment of inertia of the pulley is 0.0061 kgm2. There is friction as the pulley turns. The block starts from rest, and its speed after it ...
February 11, 2014 by John

physics
A block of mass 0.74 kg is suspended by a string which is wrapped so that it is at a radius of 0.060 m from the center of a pulley. The moment of inertia of the pulley is 0.0061 kgm2. There is friction as the pulley turns. The block starts from rest, and its speed after it ...
February 12, 2014 by Danny

Help - physics
A block of mass 0.74 kg is suspended by a string which is wrapped so that it is at a radius of 0.060 m from the center of a pulley. The moment of inertia of the pulley is 0.0061 kgm2. There is friction as the pulley turns. The block starts from rest, and its speed after it ...
February 12, 2014 by Danny

physics
A 1.4-m-long massless rod is pivoted at one end and swings around in a circle on a frictionless table. A block with a hole through the center can slide in and out along the rod. Initially, a small piece of wax holds the block 20 from the pivot. The block is spun at 50 , then ...
April 28, 2012 by Anonymous

Dynamics
A flywheel has an angular speed of 1200 rev/min when its motor is turned off. The wheel attains constant decelerations of 1.5 rad/s2 due to friction in its bearing. Determine the time required for the wheel to come to rest and the number of revolutions the wheel makes before ...
July 30, 2012 by Rajan

Physics
An iceboat is at rest on a frictionless frozen lake when a sudden wind exerts a constant force of 220 N, toward east, on the boat. due to the angle of the sail, the wind causes the boat to slide in a staraight line for a distance of 8.5 m in a direction 20 north of east. What...
July 22, 2010 by Eliza

AP Physics
Hello given that I person 65 kg takes 4.5 s to climb a flight of stairs that is 5.5 m my question is well I was asked to solve for the work and W=fd and in this case f is equal to the normal force correct? Just take the opposite of mg??????? Also I'm asked to solve for PE and ...
June 16, 2009 by AP Physics

Physics
Can an electron at rest in a magnetic field be set into motion by the magnetic field? What if it were at rest in an electric field?
March 29, 2011 by Nikki

physics
a block of ice initially sliding at 15m/s on a frozen pond comes to rest after traveling 90 meters. What is the coefficient of friction?
September 24, 2010 by Angela

college physics
a block of ice initially sliding at 15m/s on a frozenpond comes to rest after traveling 90 meters. What is the coefficient friction?
September 25, 2010 by sarah

Physics
A boy jumps from rest, straight down from the top of a cliff. He falls halfway down to the water below in 0.620 s. How much time passes during his entire trip from the top down to the water? Ignore air resistance.
September 8, 2014 by Hoku

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