Friday
April 29, 2016

Homework Help: Science: Physics

Recent Homework Questions About Physics

physics
A stone is projected vertically upward with a speed of 20 m/s. a. What is its velocity at the end of 2s? b. What is the height reacted after 2s?
Wednesday, February 3, 2016 by Lara

physics
Two trucks A and B each travelling at 40 km/hr, move towards each other . At the instance when the two trucks are at a distance 50 km from one another, a car moving at 60 km/hr overtakes A. How far behind the car is A at the point when the car meets B?
Wednesday, February 3, 2016 by jay

Physics (Torque)
Your hand holds a litter of milk while your arm is bent at the elbow in a 90 degree angle. Estimate the torque caused by the milk on your arm about the elbow joint. Indicate all numbers used in your calculations.
Tuesday, February 2, 2016 by Matt

Physics
A bat moving at 5 meters per second is chasing a flying insect, if the bat emits a 40 khz chirp and receives back an echo at 40.4 khz what is the speed of the insect and will the bat be able to catch the insect?
Tuesday, February 2, 2016 by Chris

physics
Find the distance between the two electrons. The value of the Coulomb constant is 8.98755 × 109 N · m2 /C 2 and the acceleration of gravity is 9.81 m/s 2 . 1. 0.507424 m 2. 50.7424 m 3. 5.07424 km 4. 5.07424 m 5. 5.07424 cm can anybody help me please
Tuesday, February 2, 2016 by sami

Physics
A block of weight 41.8 N is hanging from a rope. The tension in the rope is 24.4 N, pulling upward on the block. What is the magnitude and direction of the acceleration of the block? I know the direction would be downwards, since the tension of the rope is less than the weight...
Tuesday, February 2, 2016 by Emily

ap physics
a rope is strung between two cliffs. A mountain climber weighing 100 kg is halfway across the rope when the rope forms an angle of 45 degrees with the horizontal. The tension in the rope is closest to what value?
Tuesday, February 2, 2016 by Kathleen

physics
why , regardless of the magnitude of the initial velocity, the maximum horizontal displacement for a projectile occurs when the angle is 45 degrees. Specifically, what happens when the angle is increased or decreased. How would you mention vector components and also ...
Tuesday, February 2, 2016 by Madi

physics
The membrane that surrounds a certain type of living cell has a surface area of 4.50 × 10-9 m2 and a thickness of 1.00 × 10-8 m. Assume that the membrane behaves like a parallel plate capacitor and has a dielectric constant of 5.3. The potential on the outer ...
Tuesday, February 2, 2016 by jared

Physics
This is another question I had too and didn't understand as well. Vector Addition: Use the head to tail method to determine the resultant vector of the following velocity vectors. V1= 540m/s @66 degrees V2= 12m/s @182 degrees V3= 96m/s @312 degrees V4= 332m/s @261 degrees
Tuesday, February 2, 2016 by Dina

Physics
Vector Addition: I know you can't physically do drawings on this site. Is there a way of someone explaining how to begin with this problem. Can I chose any scale. The directions said to use the head to tail method to determine the resultant vector of the following velocity...
Tuesday, February 2, 2016 by Dina

Physics
A block of mass 4.11 kg is hanging from a rope. The tension in the rope is 23.5 N, pulling upward on the block. What is the magnitude and direction of the acceleration of the block? F=ma 23.5=4.11a The result was 5.72 and was not correct. Please help!
Tuesday, February 2, 2016 by Emily

Physics
A hollow sphere has a uniform volume charge density of 2.22 nC/m3. The inner radius is a = 12.2 cm and the outer radius is b = 24.4 cm. What is the magnitude of the electric field at 18.3 cm from the center of the sphere? What is the magnitude of the electric field at 78.1 cm ...
Tuesday, February 2, 2016 by Michael

Ap Physics
Ball A,with a mass of 1.75kg,moves with a velocity of 3.50 m/s. It collides with a stationary ball B, with a mass of 2.50kg. After the collision, ball A moves in a direction of 55° to the left of its original direction, while ball B moves in a direction 35° to the ...
Tuesday, February 2, 2016 by Shelton

PHYSICS:
find the maximum velocity of a swingling pendulum bob.Hint potential energy(P.E)=kinetic energy(K.E)
Tuesday, February 2, 2016 by CHIDIEBERE

physics
a block of mass m is placed on a smooth turntable at a distance of 20cm from the centre.a string is tied to the block and its other end passed through a gole in the centre of the table.A 2nd block of mass m is suspended from the free end of the string as shown in fig.At what ...
Tuesday, February 2, 2016 by Rutvik

Physics
A metal ball of mass 2kg is allowed to fall freely from rest from height of 5m. Calculate potential energy it possesses and kinetic energy before it reaches the ground. What happens to mechanical energy of the ball after it hits the ground?
Tuesday, February 2, 2016 by Angela

Physics
A Boeing 747 has a mass of 400,000kg and a takeoff speed of 100m/s . It cruises at a height of 10,000m at a speed of 255m/s
Tuesday, February 2, 2016 by Darth vader

physics
1. A 50.0 Lb box is to be moved along a rough floor at a constant velocity. The coefficient of the kinetic friction is 0.300. A. What force must you exert if you push downward on the box? B. What force must you exert if you pull upward on the box? C. Which is the better way to...
Tuesday, February 2, 2016 by Anonymous

physics
A ball is thrown vertically upword with an initial velocity of 40m/s (1) calculate 1 it velocity after 3secs (2) the maximum height attend and the time taken to reach the maximum height (3) the total taken for the ball to return to the grand again
Tuesday, February 2, 2016 by TLIMAN

Physics
Work Function 1 > Work Function 2 In which case will the Kinetic energy of the emitted electrons be greater ?
Tuesday, February 2, 2016 by Minhye

Physics
why do photoelectrons emitted from a metal surface has energy distribution for an incident radiation of frequency?
Tuesday, February 2, 2016 by Minhye

Science (physics)
Before Felix enters the capsule, what can we say about his gravitational potential energy and kinetic energy?
Monday, February 1, 2016 by elle

Physics
a projectile is fired horizontally outward from the top of a table. the initial height of the bullet above the ground is 1.5 meters and the bullet travels a horizontal distance of 3.0 meters before striking the ground. Calculate the time bullet was in the air, B)muzzle(initial...
Monday, February 1, 2016 by Rosi

Physics
A Styrofoam bucket of negligible mass contains 1.75 kg of water and 0.450 kg of ice. More ice, from a refrigerator at -15.0∘C, is added to the mixture in the bucket, and when thermal equilibrium has been reached, the total mass of ice in the bucket is 0.884 kg. Assuming ...
Monday, February 1, 2016 by Jen

Physics please i really need help
Suppose a car is traveling at +23.7 m/s, and the driver sees a traffic light turn red. After 0.427 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 9.00 m/s2. What is the stopping distance of the car, as measured from the point where...
Monday, February 1, 2016 by Erica

Physics
What is the average linear speed of Mercury about the Sun? (The distance from the Sun to Mercury is 5.80 1010 meters. The orbital period around the Sun is 88 days.)
Monday, February 1, 2016 by Melanie

Physics HELPPP
(0 m/s)^2 - (23.7 m/s)^2 divided by 2(9.00 m/s)^2 ?
Monday, February 1, 2016 by Erica

physics
a bullet of mass 20g travelling at 16m/s penetrates a brock of wood and it comes to rest in 0.5seconds.find(a)the acceralation (b)the average redating force(c)the depth of the penetration
Monday, February 1, 2016 by luckson mulanshi

Physics
Why are electrons allowed to fall on a crystal plate for diffraction ?
Monday, February 1, 2016 by Minhye

physics
Falls resulting in hip fractures (or head injuries) are a major cause of injury and even death to the elderly. Typically, the hip’s speed at impact is about 2.0 meters per second. If this can be reduced to 1.3 meters per second or less, the hip will usually not fracture. ...
Monday, February 1, 2016 by tommy

physics
Falls resulting in hip fractures (or head injuries) are a major cause of injury and even death to the elderly. Typically, the hip’s speed at impact is about 2.0 meters per second. If this can be reduced to 1.3 meters per second or less, the hip will usually not fracture. ...
Monday, February 1, 2016 by tom

physics
It has been suggested, and not facetiously, that life might have originated on Mars and been carried to Earth when a meteor hit Mars and blasted pieces of rock (perhaps containing primitive life) free of the surface. Astronomers know that many Martian rocks have come to Earth ...
Monday, February 1, 2016 by tom

Physics
A jeepney slows down from 10 m/s to 4 m/s in 6 s. What is the distance covered?
Monday, February 1, 2016 by Anonymous

physics
Mars has a radius of about 0.38 Earth radius and a mass of only 0.11 Earth mass. Estimate the acceleration due to gravity on Mars.'
Monday, February 1, 2016 by ang

physics
Mars has a radius of about 0.38 Earth radius and a mass of only 0.11 Earth mass. Estimate the acceleration due to gravity on Mars.
Monday, February 1, 2016 by ang

Physics
A 112 g hockey puck glides across a frictionless ice surface with no horizontal forces acting on it. If the puck's velocity is 22.5 m/s to the right at t = 0 s, what will the puck's horizontal velocity be at t = 225 ms? Round your answer to the nearest 0.1 m/s.
Monday, February 1, 2016 by Anonymous

Physics HELP!!
From the top of a cliff overlooking a lake, a person throws two stones, as shown in the drawing. The cliff is 39.2 m high. The two stones described have identical initial speeds of v0 = 19.2 m/s and are thrown at an angle θ = 29.2 °, one below the horizontal and one ...
Monday, February 1, 2016 by James Houl

Physics
The initial velocity and acceleration of four moving objects at a given instant in time are given in the following table. Determine the final speed of each of the objects, assuming that the time elapsed since t = 0 s is 2.0 s. Initial Velocity (a) +12 m/s (b) +12 m/s (c) -13 m...
Monday, February 1, 2016 by Erica

Physics
From the top of a cliff overlooking a lake, a person throws two stones, as shown in the drawing. The cliff is 39.2 m high. The two stones described have identical initial speeds of v0 = 19.2 m/s and are thrown at an angle θ = 29.2 °, one below the horizontal and one ...
Monday, February 1, 2016 by James Houl

Physics
A freight train has two engines, each with a mass of 50,000kg, pulling 15 freight cars, each having a mass of 40,000kg.The
Monday, February 1, 2016 by Pious

physics
a uniform beam 6.0 metre long and weighing 4kg rests on support at p and q placed left and right 1.0 metres from each end of the beam weights of mass 10 kg and 8kg are placed near p and q respectively one each end of the beam.calculate the reaction at p and q?
Monday, February 1, 2016 by mary

Physics
A jet aircraft rolls onto the end of a runway before accelerating down the runway for takeoff. At the point where the aircraft leaves the ground, it is traveling at 100 m/s. If the aircraft's initial speed when it rolled onto the runway was 10 m/s, and it accelerates for ...
Sunday, January 31, 2016 by Matt

Physics
If the maximum current in an LR circuit is 2 A what is the instantaneous current at t= time constant of the circuit?
Sunday, January 31, 2016 by Minhye

physics
A particle moving in simple harmonic motion passes through the equilibrium point x=0, 3 times per second. At t=0 its velocity at x=−0.0325m is negative. It travels 0.5m in a complete cycle. a) what is the phase constant in cm. i found the equation: x(t)=12.5sin(3pi t +x...
Sunday, January 31, 2016 by maryam

Physics
A 300g particle oscillating in SHM travels 11cm between the two extreme points in its motion with an average speed of 65 cm/s. a) Find the angular frequency b)The maximum force on the particle c)The maximum speed
Sunday, January 31, 2016 by sarah

Physics
An air-filled parallel plate capacitor has a capacitance of 37 pF. (a) What is the separation of the plates if each plate has an area of 0.8 m2? (cm) (b) If the region between the plates is filled with a material with κ = 5.0, what is the final capacitance? (pF)
Sunday, January 31, 2016 by Anonymous

Physics
(a) What is the electric potential V at a distance r = 3.1 10-8 cm from a proton? (V) (b) What is the electric potential energy in units J and eV of an electron at the given distance from the proton? (J) (eV)
Sunday, January 31, 2016 by Anonymous

Physics
We study the three point charges. They are held at the corners of an equilateral triangle with ℓ = 0.7 m. What is the electric potential energy of the system of three point charges? Use for the three charges q1 = +2Q, q2 = −3Q, q3 = +Q, where Q = 120 nC
Sunday, January 31, 2016 by Anonymous

Physics
Consider a circular track with a radius of 200 meters. A runner starts on the east side and runs around the track to a point diametrically opposite her starting point. -What is the magnitude of her displacement? 400m -She then runs the rest of the way around the track to ...
Sunday, January 31, 2016 by Terry

physics
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 3.55 m/s. The car is a distance d away. The bear is 17.1 m behind the tourist and running at 4.84 m/s. The tourist reaches the car safely. What is the maximum possible value for d?
Sunday, January 31, 2016 by Kim

physics
A blue car pulls away from a red stop-light just after it has turned green with a constant acceleration of 0.2 m/s2. A green car arrives at the position of the stop-light 7.5 s after the light had turned green. What is the slowest constant speed which the green car can ...
Sunday, January 31, 2016 by hannah

Physics
A cannonball is fired with initial speed v0 at an angle 30° above the horizontal from a height of 42.9 m above the ground. The projectile strikes the ground with a speed of 1.2v0. Find v0.
Sunday, January 31, 2016 by Nicole

Physics
An arrow is shot from a height of 1.5 m toward a cliff of height . It is shot with a velocity of 30 m/s at an angle of 60 deg above the horizontal. It lands on the top edge of the cliff 4.0 s later. (a) What is the height of the cliff? (b) What is the maximum height reached by...
Sunday, January 31, 2016 by Jeff

physics
A steam catapult launches a jet aircraft from the aircraft carrier John C. Stennis, giving it a speed of 205 mi/h in 2.70 s. (a) Find the average acceleration of the plane. (answer in m/s^2) (b) Assuming the acceleration is constant, find the distance the plane moves. answer ...
Sunday, January 31, 2016 by joanna

physics
A ball is thrown directly downward with an initial speed of 8.95 m/s, from a height of 29.0 m. After what time interval does it strike the ground? answer in (in seconds)
Sunday, January 31, 2016 by joanna

physics
A ball is thrown vertically upward with a speed of 19.0 m/s. (a) How high does it rise? (in meters) (b) How long does it take to reach its highest point? (in seconds)
Sunday, January 31, 2016 by joanna

physics Help please!
h(m) KE (J) PEgravity (J) PEelastic (J) E 0 ______ _________ _________ __ 0.2 ______ _________ __________ ___ 0.4 ______ _________ __________ __ A 2.40-kg object is hanging from the end of a vertical spring. The spring constant is 31.0 N/m. The object is pulled 0.200 m ...
Sunday, January 31, 2016 by mike

Physics
What is the likely identity of a substance (see Table 10-1) if a sample has a mass of 9.38 g when measured in air and an apparent mass of 8.55 g when submerged in water? A)Copper B)Iron or steel C)Aluminum D) Lead E)Concrete F)Gold
Sunday, January 31, 2016 by Larisa

Physics
Suppose a soccer player kicks the ball from a distance 30 m toward the goal. Find the initial speed of the ball if it just passes over the goal, 2.4 m above the ground, given the initial direction to be above the horizontal.
Sunday, January 31, 2016 by Drew

physics
Two force of 5n and 12n respectively act on the same point.show how you would determine the magnitude of the resultant by using the tail- to head and tail to tail methods and Pythagoras theorem (13n)
Sunday, January 31, 2016 by Bontle Letsoalo

Physics
A speaker has a diameter of 0.303 m. (a) Assuming that the speed of sound is 343 m/s, find the diffraction angle è for a 1.80-kHz tone. (b) What speaker diameter D should be used to generate a 3.72-kHz tone whose diffraction angle is as wide as that for the 1.80-kHz ...
Sunday, January 31, 2016 by Japhet

Physics
I'm preparing for a test. Can anyone check my answer for all these questions? These are my questions: 1. A stationary curling stone is struck in a glancing collision by a second curling stone of equal mass. If the first stone moves away at a velocity of 0.92 m/s [N71oW] ...
Sunday, January 31, 2016 by Matt Damon

physics
what is tripple point?
Sunday, January 31, 2016 by promise

physics
Imagine a parallel universe in which the electric force has the same properties as in our universe but there is no gravity. In this parallel universe, the sun carries charge Q, the earth carries charge −Q, and the electric attraction between them keeps the earth in orbit...
Sunday, January 31, 2016 by jack

physics
An electron is projected with an initial speed of (1.90x10^6 m/s) into the uniform field between two parallel plates. Assume that the field between the plates is uniform and directed vertically downward, and that the field outside the plates is zero. The electron enters the ...
Sunday, January 31, 2016 by jack

Phys´cs
A body is displaced through a certain distance x by a force of 30 newtons.if the work done is 100 joules and the displacement is in the direction of force,what is the value of x?
Sunday, January 31, 2016 by CHIDIEBERE

PHYSICS:
A boy weighing 350N runs up a flight of stairs consisting of 20 steps each 10 cm high in 10 seconds.what is his power?
Sunday, January 31, 2016 by CHIDI

physics
A ball is thrown directly downward with an initial speed of 8.95 m/s, from a height of 29.0 m. After what time interval does it strike the ground?
Sunday, January 31, 2016 by joanna

physics
A ball is thrown vertically upward with a speed of 19.0 m/s. (a) How high does it rise? (b) How long does it take to reach its highest point? (c) How long does the ball take to hit the ground after it reaches its highest point? (d) What is its velocity when it returns to the ...
Sunday, January 31, 2016 by jojo

physics
A jet plane lands with a speed of 81 m/s and can accelerate at a maximum rate of −5.00 m/s2 as it comes to rest. (a) From the instant the plane touches the runway, what is the minimum time needed before it can come to rest? (b) Can this plane land on a small tropical ...
Sunday, January 31, 2016 by jojo

physics
A steam catapult launches a jet aircraft from the aircraft carrier John C. Stennis, giving it a speed of 205 mi/h in 2.70 s. (a) Find the average acceleration of the plane. (b) Assuming the acceleration is constant, find the distance the plane moves.
Sunday, January 31, 2016 by jojo

Physics
A 9.7 kg block moving at 3 m/s makes a head-on elastic collision with a stationary block of mass 7.6 kg. Find the velocity of the 7.6 kg block. Answer in units of m/s.
Sunday, January 31, 2016 by Briana

Physics
A 1000-kg aircraft going 25 m/s collides with a 1500-kg aircraft that is parked. They stick together after the collision and are moving at 10 m/s. If they skid for 30 seconds before stopping, how far (in meters) did they skid? Hint: Are the aircraft moving at a constant ...
Saturday, January 30, 2016 by Bill

physics
Multiple Concept Example 9 provides background pertinent to this problem. The magnitudes of the four displacement vectors shown in the drawing are A = 17.0 m, B = 10.0 m, C = 11.0 m, and D = 23.0 m. Determine the (a) magnitude and (b) direction for the resultant that occurs ...
Saturday, January 30, 2016 by Lydia

physics
Can anyone help just can figure it out. Multiple Concept Example 9 provides background pertinent to this problem. The magnitudes of the four displacement vectors shown in the drawing are A = 17.0 m, B = 10.0 m, C = 11.0 m, and D = 23.0 m. Determine the (a) magnitude and (b) ...
Saturday, January 30, 2016 by Lydia

physics
Multiple Concept Example 9 provides background pertinent to this problem. The magnitudes of the four displacement vectors shown in the drawing are A = 17.0 m, B = 10.0 m, C = 11.0 m, and D = 23.0 m. Determine the (a) magnitude and (b) direction for the resultant that occurs ...
Saturday, January 30, 2016 by Lydia

Physics
Find the center of mass of two objects, one of mass M and one of mass m, separated by distance L? At R1 = L * (1 - m/(m+M)) from m and R2 = m * L/(m+M) from M At R1 = L^2 x (1 - m/(m+M)) from m and R2 = m * L^2/(m+M) from M At R1 = m * L/(m+M) from m and R2 = L * (1 - m/(m+M...
Saturday, January 30, 2016 by Shantal

PHYSICS
At what height above the ground must a body of mass 10kg be situated inorder to have potential energy equal in value to the kinetic energy possessed by another body of mass 10kg moving with a velocity of 10m/s?
Saturday, January 30, 2016 by Anonymous

Physics
I'm preparing for a test. Can anyone check my answer for all these questions? These are my questions: 1. A stationary curling stone is struck in a glancing collision by a second curling stone of equal mass. If the first stone moves away at a velocity of 0.92 m/s [N71oW] ...
Saturday, January 30, 2016 by KevJumba

PHYSICS
Can an act of fissure destroy a blackhole
Saturday, January 30, 2016 by TRYSYENS

Physics 201
A diver springs upward from a board that is 2.90 meters above the water. At the instant she contacts the water her speed is 9.11 m/s and her body makes an angle of 78.2° with respect to the horizontal surface of the water. Determine her initial velocity.
Saturday, January 30, 2016 by Kenisha Frinks

Physics
Find energy of an X-ray photon which can impart maximum energy of 50 keV to electron?
Saturday, January 30, 2016 by Sachin

Physics
find the angle of banking of curved railway track of radius 600m if the maximum saftey sppedd limit is 54;km/hr .if distance beetween the rails is 1.6m find elevation ofvthe outervtrack above the inner track
Friday, January 29, 2016 by Rahul

Physics
Charge A, +1 μC, is positioned at the origin of a coordinate system as shown below. Charge B, −1 μC, is fixed at x = 3 m. (a) Determine the magnitude and direction of the force that charge B exerts on charge A. (b) What is the force that charge A exerts on ...
Friday, January 29, 2016 by Alyssa

Physics
Charge A, +1 μC, is positioned at the origin of a coordinate system as shown below. Charge B, −1 μC, is fixed at x = 3 m. (a) Find the electric field on the x axis at x = 6 cm. (b) At what point on the x axis is the electric field zero?
Friday, January 29, 2016 by Alyssa

Physics
(a) Estimate the positive charge in you due to the protons in the molecules present in your body. (Assume that the human body is made entirely out of water.) (b) What is the net charge in your body?
Friday, January 29, 2016 by Alyssa

physics
A ball is thrown off a balcony (40 m high) and has an initial velocity of 18 m/s horizontally. (a) Determine the position of the ball at t = 4.0 s. (b) Determine the position after 4.0s?
Friday, January 29, 2016 by anonymous

physics
An object is moved left to right horizontally 2 meters while a force of 3 Newtons to the left acts. No other forces act on the object. Draw a diagram of showing the displacement and the force and calculate the work done on the object in Joules.
Friday, January 29, 2016 by callie

physics projectile
a body is projected horizontally with a velocity of 80m/s from the top of a tower 160m above the ground. find the time of flight,range,velocity at which the body strikes the ground
Friday, January 29, 2016 by wisdom

Physics
On earth, two parts of a space probe weigh 14500 N and 6400 N. These parts are separated by a center-to-center distance of 19 m and may be treated as uniform spherical objects. Find the magnitude of the gravitational force that each part exerts on the other out in space, far ...
Friday, January 29, 2016 by Melanie

Physics
A truck starts from rest and accelerates at 2.0 m/s² for 4.0 s. How far will it have gone at the end of this time?
Friday, January 29, 2016 by Anonymous

PHYSICS
explain how exotic matter stabilizes a wormhole,google's answer was not direct
Friday, January 29, 2016 by STEVIUM

Physics
A metal sphere is launched with an initial velocity of 1.5 m/s as it leaves the ramp. The end of the ramp is 1.20 m above the floor. Calculate the range of the sphere. 
 
(Range is the horizontal displacement of the projectile.) 
 
 

Friday, January 29, 2016 by Jake Lammers

physics
find a unit vector parallel to the resultant of vectors : A=2i^+j^-k^& B=3i^-2j^+2k^
Friday, January 29, 2016 by gurleen

physics
a metal ball falls from a. height 1m onto a. steel. plate and jump. up. to a. height of. 0.81m. .find. the. coefficient of restitution
Friday, January 29, 2016 by Anonymous

sciense(physics)
a car of mass 100kg travering at 36km/h is brought to rest over a distance of 40m.calculate(a)accelaration(b)the average abreaking force
Thursday, January 28, 2016 by luckson

Physics
Tarzan (80 kg) runs toward a vine at 4.8 m/s where Jane (60 kg) is hanging on. He jumps and grabs the vine. How high does the vine swing? If the vine is 25 m long, how much of an angle does that make?
Thursday, January 28, 2016 by Alyssa

Physics
A boy on a swing reaches a maximum height of 3.2 m and a minimum height of .55 m. What is the speed of the boy at the lowest point if the boy has a mass of 34 kg? v(final)=?
Thursday, January 28, 2016 by Tori

physics
A 10 kg mass moving at 6 m/s strikes a stationary 2 kg mass in an elastic collision. Determine the velocity of each after the collision. 10(6)+2(0)=(10)Vf1+(2)Vf2 60=(10)Vf1+(2)Vf2
Thursday, January 28, 2016 by alyssa

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