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March 30, 2017

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Homework Help: Science: Physics

Recent Homework Questions About Physics

Physics
What is the difference between acceleration, speed and velocity?
Thursday, January 26, 2017 by Mike Smith

physics
The National Aeronautics and Space Administration (NASA) studies the physiological effects of large accelerations on astronauts. Some of these studies use a machine known as a centrifuge. This machine consists of a long arm, to one end of which is attached a chamber in which ...
Thursday, January 26, 2017 by Tyler

physics
Car A uses tires for which the coefficient of static friction is 0.222 on a particular unbanked curve. The maximum speed at which the car can negotiate this curve is 19.5 m/s. Car B uses tires for which the coefficient of static friction is 0.670 on the same curve. What is ...
Thursday, January 26, 2017 by Tyler

physics
A centrifuge is a device in which a small container of material is rotated at a high speed on a circular path. Such a device is used in medical laboratories, for instance, to cause the more dense red blood cells to settle through the less dense blood serum and collect at the ...
Thursday, January 26, 2017 by Tyler

physics
A computer is reading data from a rotating CD-ROM. At a point that is 0.0302 m from the center of the disk, the centripetal acceleration is 284 m/s2. What is the centripetal acceleration at a point that is 0.0803 m from the center of the disc?
Thursday, January 26, 2017 by Tyler

physics
Computer-controlled display screens provide drivers in the Indianapolis 500 with a variety of information about how their cars are performing. For instance, as a car is going through a turn, a speed of 87.5 m/s and centripetal acceleration of 2.48 g (2.48 times the ...
Thursday, January 26, 2017 by Tyler

Physics
The fastest major league pitcher throws a ball at 41.0 m/s . If he throws the ball horizontally, how far does it drop vertically on the 19.7 m trip to home plate?
Thursday, January 26, 2017 by Anonymous

Physics
A baseball hit just above the ground leaves the bat at 27 m/s at 45∘ above the horizontal. How far away does the ball strike the ground? How much time is the ball in the air?
Thursday, January 26, 2017 by Anonymous

Physics
You drive 109 km/h east for 31 min , then 82 km/h north for 42 min . Let the +x-axis point east and the +y-axis north. Find your average velocity for the entire trip. Find your average speed for the entire trip.
Thursday, January 26, 2017 by Anonymous

Physics
On the map, let the +x-axis point east and the +y-axis north. An airplane flies at 990 km/h northwestward direction (i.e., midway between north and west). Find the components of its velocity. Repeat for the case when the plane flies due south at the same speed.
Thursday, January 26, 2017 by Anonymous

Physics
You drive due east at 77 km/h for 55 min . Then you follow a road going 60∘ south of east, going 96 km/h for another 28 min . Find your total displacement.
Thursday, January 26, 2017 by Anonymous

Physics
On level ground, you stand 27.0 m from the base of a tree and determine that the treetop is at 39 ∘ above the horizontal, as measured from ground level. How tall is the tree?
Thursday, January 26, 2017 by Anonymous

Physics
A .324 kg air track glider moves linearly with an initial speed of 1.37 m/s.In order to increase the speed of the mass, 7.31 J of work are done. What is the final speed of the glider? (Ignore the negligible friction)
Thursday, January 26, 2017 by Anonymous

physics
Two forces parallel to the x-axis do 14.7 J of work on a small tray while moving it 20.7 m in the x direction across the gym floor. One of the forces has a value of +3.89 N in the x direction. What is the other force?
Thursday, January 26, 2017 by Anonymous

Physics-Momentum
A Toyota of mass 1500 kg is driving at 15 m/s North when it rear-ends a Cadillac of mass 2500 kg also moving North at 9 m/s. (The driver of the Toyota was probably texting) After the collision, the Toyota bounces back at 2 m/s. What is the speed of the Cadillac after the ...
Thursday, January 26, 2017 by Mike Smith

physics
There is a clever kitchen gadget for drying lettuce leaves after you wash them. It consists of a cylindrical container mounted so that it can be rotated about its axis by turning a hand crank. The outer wall of the cylinder is perforated with small holes. You put the wet ...
Thursday, January 26, 2017 by Tyler

physics
Speedboat A negotiates a curve whose radius is 140 m. Speedboat B negotiates a curve whose radius is 295 m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of the boats?
Thursday, January 26, 2017 by Tyler

physics
A car travels at a constant speed around a circular track whose radius is 2.66 km. The car goes once around the track in 200 s. What is the magnitude of the centripetal acceleration of the car?
Thursday, January 26, 2017 by Tyler

Physics
two collinear harmonic oscillation x1=8sin(100pie(t)) and x2=12sin(96pie(t)) are superposed.calculate the *maximum and minimum amplitudes *the frequency of amplitude modulation
Thursday, January 26, 2017 by Jkss

Physics
two collinear harmonic oscillation x1=8sin(100pie(t)) and x2=12sin(96pie(t)) are superposed.calculate the value of time when the amplitude of the resultant oscillation will be *maximum and minimum?
Thursday, January 26, 2017 by Jkss

physics
A swimmer can swim in stillwater at a rate 4 kilometre per hour. If he swims in a river flowing at 3 kilometre per hour and keeps his direction with respect to water perpendicular to the current,find his velocity city with respect to the ground
Thursday, January 26, 2017 by dhandip

physics
A long straight vertical wire of diameter 2.0mm carries a steady current upwards. At 30mm from the centre of the wire, the magnetic field strength is 0.10mT. Sketch a graph to show the variation of magnetic field strength from the wire surface to a distance of 40mm from the ...
Thursday, January 26, 2017 by Jake

Physics
You drop a rock into a deep well. You can't see the bottom of the well but you can hear the impact after T seconds. Suppose the speed of sound is c feet per second and the depth of the falling rock at time t is gt^2/2 feet. Compute the depth d of the well. Your answer will be ...
Thursday, January 26, 2017 by Anon

physics
In the physics equation F=qE, where E is the electric field, q is the charge, and F is the force that the electric field exerts on this charge, does the charge, q, by itself have a direction associated with it? Why or why not?
Thursday, January 26, 2017 by damien

physics
A treasure map instructs you to walk 34 m south, 117 m east, followed by 64.5 m north, and finally 28.5 east. Determine the magnitude of your total displacement in m.
Wednesday, January 25, 2017 by Dalia

Physics
A 1400 kg car travels up a 20 degrees incline. The car exerts a constant force of 30,000 N across 100m. The car starts from rest at the bottom of the incline. The car takes 10 minutes to do this. How much work is done by the car?
Wednesday, January 25, 2017 by Anonymous

Physics
Convert to m/s 40m/min
Wednesday, January 25, 2017 by Anonymous

Physics
a boat sails 150km N60°E, then 100km West. What is it's displacement from its starting point?
Wednesday, January 25, 2017 by Victor

PHYSICS
An object is projected horizontally on a floor at 100ft/s. It then decceledates at 10ft/s2. After 5sec what are a.the speed of the body b. The distance it traversed
Wednesday, January 25, 2017 by yong

Physics
A ball is thrown vertically upward with a speed of 31.1m/s. What is the ball's velocity after 2.70s?
Wednesday, January 25, 2017 by MC

physics
An automobile moving northward with a velocity of 270m/s is brought to rest in 45 seconds . find the average acceleration durong this time interval. express the answer in ft/sec^2
Wednesday, January 25, 2017 by elleso

physics
A car moving at 55mi/hr needs to slow down to speed 35mi/hr to round a curve in the highway. if the rate it slows down is 13.5mi/hr^2 how far does it travel while reducing speed?
Wednesday, January 25, 2017 by elleso

Physics 1
An airplane traveling horizontally at 367 km/hr at a height of 1 km releases a bomb. How far ahead (to the nearest meter) from the release point does the bomb strike the ground?
Wednesday, January 25, 2017 by Srecko

Physics
A car having constant speed 50kmph.want overtake truck having constant speed of 20kmph what will be the time taken by car to overtake truck.??
Wednesday, January 25, 2017 by Nilesh

physics
A long straight vertical wire of diameter 2.0mm carries a steady current upwards. At 30mm from the centre of the wire, the magnetic field strength is 0.10mT. Sketch a graph to show the variation of magnetic field strength from the wire surface to a distance of 40mm from the ...
Wednesday, January 25, 2017 by Steven

physics
An unstable nucleus with a mass of 18.0 ✕ 10-27 kg initially at rest disintegrates into three particles. One of the particles, of mass 5.0 ✕ 10-27 kg, moves along the positive y-axis with a speed of 9.0 ✕ 106 m/s. Another particle, of mass 7.4 ✕ 10-27 kg, moves along ...
Tuesday, January 24, 2017 by jake

physics
Two cars (A and B) of mass 1.1 kg collide. Car A is initially moving at 18 m/s, and car B is initially moving in the opposite direction with a speed of 9 m/s. The two cars are moving along a straight line before and after the collision. (Enter the magnitudes.) If the two cars ...
Tuesday, January 24, 2017 by jake

Physics
If the current in a wire is directed upward, what is the direction of the magnetic field produced by the current? A. in the same direction as the current B. in the opposite direction to the current C. clockwise D. counterclockwise I think it is A,is that correct?
Tuesday, January 24, 2017 by Anonymous

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 17 m/s at an angle 34 degrees; with respect to the horizontal. Sarah catches the ball 1.5 meters above the ground. 1) what is the horizontal ...
Tuesday, January 24, 2017 by Yolanda

physics
How much heat is absorbed by a 30g iron skillet when its temperature rises from 24oC to 93oC? Joules do i addition everything?
Tuesday, January 24, 2017 by jake

Physics
Charge +Q = +7.10 nC is uniformly distributed along the right half of a thin rod bent into a semicirle of radius R = 3.60 cm, while charge −Q = −7.10 nC is uniformly distributed along the left half of the rod. What is the magnitude and direction of the electric field at ...
Tuesday, January 24, 2017 by Gordon

physics
a brick is dropped form the roof of a building. On the way down it passes a 2m high window and is observed to pass from the top to the bottom of the window in 0.25s. (a) How fast was it moving when it passed the top of the window? (b)How far below the roof of the building is ...
Tuesday, January 24, 2017 by Anthony

Physics
Sasha is driving straight and notices an antelope in the road a ways off. Determine the stopping distance (from the time she sees the antelope) for her car with an initial speed of 95 km/hr and an acceleration of -4.0 m/s2. Sasha's reaction time to start breaking is 1.0 second.
Tuesday, January 24, 2017 by Jay

Physics
The output voltage and current of a transformer are determined by the A. number of turns in the primary and secondary coils. B. ferromagnetic material of the rings connecting the coils. C. strength of the DC current in the primary coil. D. direction of the current in the ...
Tuesday, January 24, 2017 by Saif

Physics (9th)
Sasha is driving straight and notices an antelope in the road a ways off. Determine the stopping distance (from the time she sees the antelope) for her car with an initial speed of 95 km/hr and an acceleration of -4.0 m/s2. Sasha's reaction time to start breaking is 1.0 second.
Tuesday, January 24, 2017 by Jay

physics
The positive and negative plates of a parallel-plate capacitor have an area of 1.05 cm by 1.05 cm. Their surface charge densities are +1.00×10-6 C/m2 and -1.00×10-6 C/m2, respectively. A proton moving parallel to the plates enters the middle of the space between them at a ...
Tuesday, January 24, 2017 by Henry

Physics
Two parallel plates, each charged equally and oppositely to the other, are separated by 3.6000 cm. A proton is let go from rest at the positive plate's surface and, at the same time, an electron is let go from rest at the negative plate's surface. What is the distance between ...
Tuesday, January 24, 2017 by Impossible

Physics
A bicyclist starts from rest and accelerates at 4 m/s^2 for 3 seconds. The cyclist then travels for 20s at a constant speed. How far does the cyclist travel? I got 138 m but I'm not sure if I'm right?
Tuesday, January 24, 2017 by Swa

physics
A car is moving down a straight road.Suddenly a cat jumps in front of the car.The driver slams on the breaks and the passenger goes flying forwards.Why?What law of Newton applies to this situation?
Tuesday, January 24, 2017 by Emily

physics
A football player makes a tackle to stop a touchdown.What will happen to the offensive player?What law of motion applies and why?
Tuesday, January 24, 2017 by Emily

Physics/Energy
A cop of mass of 90.0 kg is chasing a robber and runs up 5 flights of stairs in 20.0 sec. The cop has gone a vertical distance of 12.0 m. Determine the amount of work done by the cop to get to this height.
Tuesday, January 24, 2017 by Nana

Physics
Can someone add me on skype and tell me answers to my physics test tomorrow, I pay good?
Tuesday, January 24, 2017 by Pen15

physics
A space vehicle accelerates uniformly from 80 m/s at t = 0 to 165 m/s at t = 10.0 s .How far did it move between t = 2.0 s and t = 6.0 s ?
Monday, January 23, 2017 by Anonymous

Physics 1
In coming to a stop, a car leaves skid marks 62 m long on the highway.Assuming a deceleration of 4.30 m/s2 , estimate the speed of the car just before braking.
Monday, January 23, 2017 by Anonymous

Physics
Which of the following statements about Ohm’s Law is true? A. Keeping the same voltage and decreasing resistance decreases the current. B. To increase the current, decrease the resistance. C. Ohm’s law relates power, current and resistance. D. Increasing the voltage ...
Monday, January 23, 2017 by Saif

physics
A simple pendulum has a length of 1.25m.calculate its period and what is the percentage increase of the period?
Monday, January 23, 2017 by Tolu

Physics
An object is placed at a distance of 50cm from a convex lens of fical length 20cm .find the nature and position of yhe subject.
Monday, January 23, 2017 by Leela satish

physics
calculate the kinetic energy of a. A 1kg trolley traveling at 2m/s. b. A 2g (0.002kg) bullet traveling at 400m/s. c. A 500kg car traveling at 72km/h.
Monday, January 23, 2017 by jessica

PHYSICS
If a 71.0 kg , 1.70 m -tall human could jump to the same height compared with his length as the flea jumps compared with its length, how high could he jump, and what takeoff speed would he need?
Monday, January 23, 2017 by PLEASE ANSWER A.S.AP.

Physics
Two point charges each have a value of 3 μC and are 10 cm apart. What is the electric field at the midpoint between the two charges?
Sunday, January 22, 2017 by Anonymous

Physics
Two point charges each have a value of 3 μC and are 10 cm apart. What is the electric field at the midpoint between the two charges?
Sunday, January 22, 2017 by Sam

Physics
a 50 kg block is being pulled up a 37 degree incline with a force of 450 N applied parallel to the incline. The block moves at a constant velocity. What is the kinetic friction? power if the velocity is 1.5 m/s? acceleration if the applied force increases to 500N?
Sunday, January 22, 2017 by rick

Physics
I am really struggling with these 2 questions. Please help! 1)Mars has a mass of about 6.91 × 1023 kg, and its moon Phobos has a mass of about 9.8 × 1015 kg. If the magnitude of the gravitational force between the two bodies is 4.87 × 1015 N, how far apart are Mars and ...
Sunday, January 22, 2017 by Mikayla

Physics
Two alpha particles (helium nuclei), each consisting of two protons and two neu- trons, have an electrical potential energy of 6.08×10−19 J. What is the distance between these par- ticles at this time? The Coulomb constant is 8.98755 × 109 N · m2/C2, the elemental charge ...
Sunday, January 22, 2017 by Anonymous

Physics!!!!!!
At some distance from a point charge, the electric potential is 566.0 V and the magni- tude of the electric field is 246.0 N/C. Find the distance from the charge. The value of the Coulomb constant is 8.98755 × 109 N · m2/C2 and the acceleration due to gravity is 9.81 m/s2...
Sunday, January 22, 2017 by Anonymous

Physics
1.A Speed Of A Bullet Of Mass 20g Is 200km/h. What Is The Kinectic Energy.
Sunday, January 22, 2017 by Elijah

physics
A pendulum bob has its maximum speed as 5m/s at lowest position o. Calculate the height of the Bob above o,where its velocity is zero.
Sunday, January 22, 2017 by zulaiykherh

Physics
A farmer builds three sections of a fence as shown in the figure where L = 10.00 m, and gets tired. Walking straight back to where he started, how far did he go. d=? Vector on Y-axis going to origin, L/2 vector going on Positive X Axis, vector going up L from the end of vector...
Sunday, January 22, 2017 by Ravi Shankar

Physics
Three vessels have different shapes, but the area of their bottom surface is the same, and all three are filled with water with the same depth (1.|_| 2.\_/ 3./_\ ). Rank the magnitudes of the net forces exerted by the water on the bottom surface.
Sunday, January 22, 2017 by Lee

Physics
Many astronomers argue that the Earth and Moon should be considered a double planet,since the gravitational force by the sun on the Moon is approximately as big as that by the Earth on the moon.Using the data below for the Earth and Moon at the particular point in their orbits...
Saturday, January 21, 2017 by Abdurhman

Physics 20
Astronomers launch a satellite to explore a nearby asteroid that has come dangerously close to the earth.The satellite begins orbit around the earth,with an orbital radius 6.85 X 10^3 Km, before being moved to an orbit about the asteroid with a period of 9.06 X 10^3 S at a ...
Saturday, January 21, 2017 by Abdurhman

Physics 20
Astronauts in orbit appear to be 'weightless'.Suppose an astronaut with a mass of 154 KG including gear is in orbit in the space shuttle, a distance of 222 km above the Earth;s surface.Taking the Earth's radius to be 6371km, and its mass to be 5.97 X 10^24, A) What is the ...
Saturday, January 21, 2017 by Abdurhman

Physics 20 Energy
A 85kg skydiver falls from an altitude of 3.5 X 10^3 M to an altitude of 1.10 X 10^3 m at constant speed.What is her change in potential energy?
Saturday, January 21, 2017 by Abdurhman

Physics 20
An athlete runs at a speed 5 m/s.How fast must he run to have 2.5 times the kinetic energy that he does at that speed?
Saturday, January 21, 2017 by Abdurhman

Physics 20 Gravity
The kepler mission has recently discovered a number of rocky planets around the stars.Suppose one of these planets has a mass of 7.66 x 10^24 kg and radius of 6743 km.What is the acceleration due to gravity(that is gravitational field) on the surface of the exoplanet?
Saturday, January 21, 2017 by Abdurhman

Physics
A helicopter rises vertically with a constant upward acceleration of 0.40 m/s2 . As it passes an altitude of 20 m, a wrench slips out the door. A) How soon does the wrench hit the ground? B) At what speed does the wrench hit the ground?
Saturday, January 21, 2017 by Kay

Physics
After solving a difficult physics problem, an excited student throws his book straight up. It leaves his hand at 2.5 m/s from 1.5 m above the ground. A) How much time does it take until the book hits the floor? B) What's its velocity then?
Saturday, January 21, 2017 by Kay

Physics
You're approaching an intersection at 50 km/h (13.9 m/s ). You see the light turn yellow when you're 35 m from the intersection. Assume a reaction time of 0.6 s before braking begins and a braking acceleration of -3.0 m/s2. A) will you be able to stop at before the ...
Saturday, January 21, 2017 by Kay

Physics
A stock car starts from rest at time t=0 with velocity (m/s) increasing for 4.0 s , according to the function Vx=1.4t2+1.1t. a) Find the car's velocity at the end of the 4.0 s interval. b) Find the average acceleration for this interval.
Saturday, January 21, 2017 by Kay

Physics
A car travels a straight road at 140 km/h for 30 min then at 90 km/h for 10 min. It then reverses and goes at 90 km/h for 20 min. a) Find the average velocity for the entire trip. b) Find the average speed for the entire trip.
Saturday, January 21, 2017 by Kay

Physics
The winner of the Kentucky Derby runs the 1.25-mile race in 2 minutes, 2.0 s. What's the horse's average speed in m/s? A Message from Your Instructor: Velocity refers to the displacement from the initial point to the final point. For the first part, determine where the car ...
Saturday, January 21, 2017 by Kay

Physics
: a planet mass M is circling a star in an elliptical orbit it's velocity at R is 60000 m/s what is its velocity at RB? RB=8RA
Saturday, January 21, 2017 by nebyu

math/physics help plz
Two cars moves around a circle of circumference 20 m with speed of 5m/s and 15m/s, if the positions of these cars are observed every integer seconds, after how many seconds will the cars occupy the same position. Help me show step
Saturday, January 21, 2017 by putman/raj

Physics 11 question pls urgent HELP!!!!!
The 1205 kg physics dragster is traveing ay 35km(easy) when it hits the gas and accelerates at 12.5 m/s^2 for 3.25s. What is change in momentum during this time?
Saturday, January 21, 2017 by Jaena MacCharlie lol

physics
an 88.kg fireman slides 5.9 meters down a fire pole. He holds the pole, which exerts a 520N steady resistive force on the fireman. At the bottom he slows down to a stop in 0.43m by bending his knees. determine the acceleration while stopping and the time it takes for the ...
Friday, January 20, 2017 by Anissa

physics
Consider two charges, where one (+1.90 nC) is at the origin and the other (-3.61 nC) is at the position x = 4.35 cm. Find the x-coordinate where a proton would experience zero net force.
Friday, January 20, 2017 by Urgent!! please help!!

Physics
Given the figure above, if a = 5.53 cm and b = 4.15 cm, what would be the force (both magnitude and direction) on the 5.0 nC charge? its a rectangle with + 10nC top left, -10nC top right and 5.0 nC bottom right.
Friday, January 20, 2017 by Impossible

Physics
C:\Users\100622325\Desktop\1.jpg Given the figure above, if a = 5.53 cm and b = 4.15 cm, what would be the force (both magnitude and direction) on the 5.0 nC charge?
Friday, January 20, 2017 by Impossible

PHYSICS
AN ELECTRIC FIELD 1500N AND MAGNETIC FIELD 0.40T ACT AT A,MOVING PROTRON TO PRODUCE NO FORCE.CALCULATE THE MINIMUM SPEED OF THE PROTRON.
Friday, January 20, 2017 by EDWIN

Physics
A 300v battery is connected across capacitors 3uF and 6uF in parallel. Evaluate the charge and energy stored in each capacitor
Friday, January 20, 2017 by Jaccy

physics
A 3.67-g bullet, traveling at a speed of 484 m/s, strikes the wooden block of a ballistic pendulum, such as that in Figure 7.14. The block has a mass of 186 g. (a) Find the speed of the bullet/block combination immediately after the collision. (b) How high does the combination...
Thursday, January 19, 2017 by Tyler

Physics
A supersonic jet airplane passing directly overhead creates a shock wave that makes an angle of 51∘ with the horizontal. What is the speed of the airplane? I know that I need to use Sin(x)=c/v but keep getting an incorrect answer.
Thursday, January 19, 2017 by Kelsey

Physics
A helicopter is ascending vertically with a speed of 5.20 m/s. At a height of 125 m above the Earth, a package is dropped from a window. How much time does it take for the package to reach the ground? [Hint: The package's initial speed equals the helicopter's.]
Thursday, January 19, 2017 by Jay

physics
After skiding down a snow-covered hill on an inner tube, Ashley is coasting across a level snowfield at a constant velocity of +2.5 m/s. Miranda runs after her at a velocity of +4.7 m/s and hops on the inner tube. How fast do the two of them slide across the snow together on ...
Thursday, January 19, 2017 by Tyler

physics
A two-stage rocket moves in space at a constant velocity of +4660 m/s. The two stages are then separated by a small explosive charge placed between them. Immediately after the explosion the velocity of the 1240-kg upper stage is +5570 m/s. What is the velocity (magnitude and ...
Thursday, January 19, 2017 by Tyler

physics
A 0.540-kg ball is dropped from rest at a point 2.30 m above the floor. The ball rebounds straight upward to a height of 1.10 m. Taking the negative direction to be downward, what is the impulse of the net force applied to the ball during the collision with the floor?
Thursday, January 19, 2017 by Tyler

physics
A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates. The incident water stream has a velocity of +16.0 m/s, while the exiting water stream has a velocity of -16.0 m/s. The mass of water per second that strikes the blade is 41.0 kg/s. ...
Thursday, January 19, 2017 by Tyler

physics
A catapult used to hold a stone of mass 500grammes is extended by 2cm with an applied force F. if the stone leaves with a velocity 40ms-1, the value of F is.
Thursday, January 19, 2017 by emmanuel

physics
Two particles are moving along the x axis. Particle 1 has a mass m1 and a velocity v1 = +4.3 m/s. Particle 2 has a mass m2 and a velocity v2 = -6.3 m/s. The velocity of the center of mass of these two particles is zero. In other words, the center of mass of the particles ...
Thursday, January 19, 2017 by Tyler

physics
The drawing shows three particles that are moving with different velocities. Two of the particles have mass m, and the third has a mass 2m. The third particle has a velocity of v3 = +5.1 m/s. At the instant shown, the center of mass (cm) of the three particles is at the ...
Thursday, January 19, 2017 by Tyler

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