Monday
July 25, 2016

Homework Help: Science: Physics

Recent Homework Questions About Physics

Physics
A biker rides700m north 300m east 400m north, 100m west, 1200m south 300m east and finally 100m north .Draw the path of motion of the biker. What distance did he cover?What was his displacement?
Sunday, June 12, 2016 by Shreya Shree

Physics
You use a rope to slowly pull a sled and its passenger 45 m up a 20∘ incline, exerting a 125-N force on the rope. How much work did Earth do on the sled for the trip in Part B? The answer for part is -5630 J I'm not sure what to do. I tried -5630 J * 9.8 then I tried...
Saturday, June 11, 2016 by T

Physics
You recently read that a new possibly habitable planet was discovered. The planet, Burt, receives 1700 W/m2 from it’s companion star. If planet Burt has a a radius of 6500 km and acts like a blackbody ( emissivity =1 ) and thus radiates same amount of energy it absorbs, ...
Saturday, June 11, 2016 by Anonymous

Physics
A boy throws a ball off the top of a 30m high building with a speed of 10m/s at an angle of 30 degrees to the horizontal. How far from the base of the building does the ball strike? I broke in up into 2 dimensional: X horizontal values: Xi=0 Xf=? Vi=8.6m/s. Vf=? a=0 Y vertical...
Saturday, June 11, 2016 by Leo

Physics
A 37.0-kg crate rests on a level floor. A horizontal force of 50.0 N accelerates the crate at 1.00 m/s2. Calculate the frictional force on the crate. Calculate the coefficient of kinetic friction between the crate and the floor. I got the normal force, 363 N. Now just need ...
Saturday, June 11, 2016 by Mike

physics
A metal sphere of radius 10cm is given a electric charge find electric intensity and potential at a point whose distance from centre of sphere is: a) 20cm b) 10cm and just outside c)5cm.
Saturday, June 11, 2016 by vishnu s dharan

physics
point charges +1 micro coulomb and +4 microcoulomb are separated by a distance 4cm in air what is the distance of a null point from the small charge? what is the electric potential at null point?
Saturday, June 11, 2016 by vishnu s dharan

physics
In an Automobile a 44 kg passenger moving at 40 m/s is brought to rest by an air bag during a 0.1 s what is the magnitude of the average force exerted on the passenger during this time ?
Saturday, June 11, 2016 by AMOOON

Physics
A car is running at a speed of 100km/h if brake is applied how much ditance will it cover before stopping from point where brake is applied ? How
Saturday, June 11, 2016 by Aman

Physics
In the time interval from 0.0 s to 10.1 s, the acceleration of a particle traveling in a straight line is given by ax = (0.1 m/s3)t. Let to the right be the +x direction. The particle initially has a velocity to the right of 10.0 m/s and is located 5.4 m to the left of the ...
Saturday, June 11, 2016 by Ace

physics
Ball A is dropped from the top of a building of height h at the same instant that ball B is thrown vertically upward from the ground. When the balls collide, they are moving in opposite directions, and the speed of A is A times that of B. At what height does the collision occur?
Saturday, June 11, 2016 by Ace

physics
A speeder traveling at a constant speed of 117 km/h races past a billboard. A patrol car pursues from rest with constant acceleration of (7.6 km/h)/s until it reaches its maximum speed of 175 km/h, which it maintains until it catches up with the speeder.(a) How long does it ...
Friday, June 10, 2016 by Ace

physics
Find the relation between phase difference and path dofferense
Friday, June 10, 2016 by Anonymous

Physics
ou recently read that a new possibly habitable planet was discovered. The planet, Burt, receives 2100 W/m2 from it’s companion star. If planet Burt has a a radius of 7500 km and acts like a blackbody ( emissivity =1 ) and thus radiates same amount of energy it absorbs, ...
Friday, June 10, 2016 by Anonymous

Physics
At high noon (sun rays fall perpendicular to the surface of the earth), the sun delivers 990 W to each square meter of a blacktop road, emissivity of 1 (blackbody). If the hot asphalt loses energy only by radiation, what is its equilibrium temperature? I have everything ...
Friday, June 10, 2016 by Anonymous

Physics
Two metal plates with the same dimension are soldered together face to face. The face of plate 1 that is not touching plate two is keep at T1 = 106 0C. Similarly, plate 2 “open face” is keep at T2 = 0 0C. Assume the thickness of each plate is 3.0 mm and their areas ...
Friday, June 10, 2016 by Anonymous

physics
Two charges of magnitude +2×10^–6 C each are 60cm apart. find the magnitude of the force exerted by these charges on a third charge of magnitude +4×10^-4C that is 50cm away from each of the charge.
Friday, June 10, 2016 by jay

physics
Three blocks, with masses m1 = 5.90 kg, m2 = 5.50 kg, and m3 = 7.10 kg, are pull on a horizontal frictionless surface by a 18.00 N force that makes a 39 o angle (θ) with the horizontal. What is the magnitude of the tension between the m2 and m3 blocks?
Friday, June 10, 2016 by Last Try Please help!

physics
the resistance of a platinum resistant thermometer is 1.2ohms. when the measuring in Kelvin temperature of oil and 1.0ohms at the triple point of water. find T
Friday, June 10, 2016 by Izrel

physics
Give two examples to show how physics help in understanding the concept of evolution, biological systems of living organisms.
Friday, June 10, 2016 by simran

Physics
Mike wants to make a free throw; he realizes that if the ball is exactly 20cm above the hoop as it hits the backboard at the top of its trajectory, it will go in. The free throw line is 4.5 m from the plane of the backboard and the hoop is 3 meters from the ground, Mike throws...
Thursday, June 9, 2016 by Mike

Physics
Question 1: Dan is pulling on his dog’s leash, the dog is pulling with 40N of force and Dan is pulling with 50N of force, how fast are they going after 2 seconds? Question 2: If you want to throw a rock 50m with a 1 m sling, what frequency do you need to rotate the swing ...
Thursday, June 9, 2016 by Mike

physics
Both threads are now lengthened such that L=1.00m, while the charges q1 and q2 remain unchanged. What new angle will each thread make with the vertical? Hint: you must solve for the angle numerically
Thursday, June 9, 2016 by someone

Physics
A basketball player drops a 0.60-kg basketball vertically so that it is traveling at 6.0 m/s when it reaches the floor. The ball rebounds upward at a speed of 4.7 m/s. Determine the average net force that the floor exerts on the ball if the collision lasts 0.12 s. I calculated...
Thursday, June 9, 2016 by T

physics
The two small spheres each with mass m= 25g are hung by silk threads length L=.65m from a common point. When the spheres are given positive charge such that q1=2q2, each thread hangs stationary at theta=15 degrees from the vertical. Using Newton's first law and coulomb'...
Thursday, June 9, 2016 by someone

physics
4mm=0.004m 2cm=0.02m 2kg=2000g 4kg= ____m 2) 5 physical senses and why their considered physical -touch,hearing,smell,taste,sight their considered physical because The nervous system has a specific sensory system or organ, dedicated to each sense?
Thursday, June 9, 2016 by Rein

Physics
The system shown in the following figure is in static equilibrium. Find the frictional force exerted on block (m1) given that the mass of block (m1) is 8.90 kg, the mass of block (m2) is 2.59 kg, and the coefficient of static friction between block (m1) and the surface on ...
Thursday, June 9, 2016 by Eric Sowell

Physics
A car enters a circular flat curve with a radius of curvature of 0.40 km with a maximum speed of 130 km/h. If the friction between the road and the car's tires can supply a centripetal acceleration, what is the static coefficient of friction?
Thursday, June 9, 2016 by Luke Michaels

Physics- Help!!
A step-up transformer is used on a 100 V line to increase the potential difference to 1200 V. If the primary has 120 turns, then what is the number of turns in the secondary coil? 1440 turns 1000 turns 100 turns 10 turns Thanks!!!!!
Thursday, June 9, 2016 by Ellie

physics
A string is stretched between fixed supports separated by 73.0 cm. It is observed to have resonant frequencies of 380 and 475 Hz, and no other resonant frequencies between these two.
Thursday, June 9, 2016 by Marie

Physics
The A above middle C has a frequency of 440 Hz. If you play this note on a piano and the piano string oscillates with an amplitude of 0.55 mm, what is the maximum acceleration of the string?
Thursday, June 9, 2016 by Ben

physics
Two identical mass-spring systems consist of 250-g masses attached to springs of spring constant 15 N/m. If one of them starts oscillating from its equilibrium position at time t = 0, how much later should the second one start so they oscillate out of phase by 90 o?
Thursday, June 9, 2016 by Harry

physics
A large aquarium has viewing ports so people can watch dolphins swim by. What is the net force on a rectangular window, 2.30 m wide and 1.20 m high, if the top of the window is 4.50 m below the surface of the water?
Thursday, June 9, 2016 by John

Math
In a class of 100 students, 40 offer Biology and 10 offer Chemistry and Biology .10 offer Physics and Chemistry , and 30 offer Physic and Biology . Each student offer at least one of the three subjects. The number of students who offer Biology is equal to those who offer ...
Thursday, June 9, 2016 by Delson

Physics
A 10 kg block is towed at a 30° incline with respect to the horizontal the rope is parallel to the incline and has attention 100 N assume that the block starts from rest at the bottom of the hill and neglect friction how fast is the block moving after 40 m up the hill
Wednesday, June 8, 2016 by Michael

physics
As shown in the figure, a bullet of mass m and speed v passes completely through a pendulum bob of mass M. The bullet emerges with a speed of v/2. The pendulum bob is suspended by a stiff rod of length ℓ and negligible mass. 2.1 Derive an expression for the minimum value...
Wednesday, June 8, 2016 by Tan

Math
in a class of 60 students 30 like maths 25 like physics 30 like chemistry. if 10 like both physics and maths 5 like maths and chem and 5 like phy & chem and 3 like all the subjects. find student like none of subject if 100 students were surveyed
Wednesday, June 8, 2016 by Anonymous

Math
in a class of 60 students 30 like maths 25 like physics 30 like chemistry. if 10 like both physics and maths 5 like maths and chem and 5 like phy & chem and 3 like all the subjects. find student like none of subject of if 100 students were surveyed
Wednesday, June 8, 2016 by Dp

Physics
A light spring of force constant 8N/m is cut into two equal parts and then are connected in parallel the equivalent force constant will be what of the system. Solve this problem
Wednesday, June 8, 2016 by Shadab

Physics I (Classical)
A kayaker needs to paddle north across a 85-m-wide harbor. The tide is going out, creating a tidal current that flows to the east at 2.0 m/s. The kayaker can paddle with a speed of 3.0 m/s. Find the angle West of North he needs to travel and the time it takes him to cross. ...
Tuesday, June 7, 2016 by Victoria

Physics
A thermos bottle contains 250 g of coffee at 88 0C. You then decide to add 27 g of milk at 5 0C. What is the equilibrium temperature of the mixture? Assume no heat is loss to the thermos bottle and that the specific heat of water, coffee and milk is about the same. Answer is ...
Tuesday, June 7, 2016 by Anonymous

Physics
An electric heater that produces 860 W (1 W = 1 J/s) of power is used to vaporize water. How much water at 100 0C can be changed to steam in 5 min by the heater? Use Lv = 2.25x106 J/kg for water at 100 0C and express your final answer in grams.
Tuesday, June 7, 2016 by Anonymous

Physics
Hi!! For this question, I feel like the answer is C but I'm not sure. If the answer is C, could you explain to me why/ if it isn't then why not? A book leans against a crate on a table. Neither is moving. Which of the following statements concerning this situation is ...
Tuesday, June 7, 2016 by Kaylen

Physics
I'm sorry this is kind of a long question. I've been staring at it for about an hour now and I have no clue where to even start. Thank you so much!!!! A student stands on a bathroom scale in an elevator at rest on the 64th floor of a building. The scale reads 836 N. 1...
Tuesday, June 7, 2016 by Maya

Physics
A constant unbalanced force is applied to an object for a period of time. What would the graph look like as acceleration as a function of elapsed time?
Tuesday, June 7, 2016 by ZoŽ

Physics
•A pendulum of mass of 600g is dropped from a height of 30cm. •Calculate the GPE it had (g = 9.81) •Tell me how much KE it will have at the bottom of its swing (assuming no air resistance) •Assuming all the GPE is transferred to KE, what is the maximum ...
Tuesday, June 7, 2016 by Dominic

physics
A spinal spring,loaded with a piece of metal,extends by 10.5cm in air.When the metal is fully submerged in water,the spring extends by 6.8cm.Calculate the relative density of the metal using Hooke's law
Monday, June 6, 2016 by frank

Physics
A 29.8-kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 88.8 N and is directed at an angle of 39 ° above the horizontal. Determine the coefficient of kinetic friction.
Monday, June 6, 2016 by Sabrina

Physics
A dart is thrown at a dartboard 3.90 m away. When the dart is released at the same height as the center of the dartboard, it hits the center in 0.555 s At what angle relative to the floor was the dart thrown?
Monday, June 6, 2016 by Mike

Physics
A dart is thrown at a dartboard 3.90 m away. When the dart is released at the same height as the center of the dartboard, it hits the center in 0.555
Monday, June 6, 2016 by Mike

Physics
A crane lifts a Load of 50000g very slowly through a distance of 150cm vertically, calculate the work done against gravity if g=10.mls2
Monday, June 6, 2016 by Glorious

physics
A train is moving with an initial velocity of 30 m/s the breaks are applied so as to produce uniform acceleration of minus 1.5m/s Calculate the time in which it will come to rest
Monday, June 6, 2016 by devika

Physics
The density of water at 40 C is 1000 kg/ m3. What is the density of water at 900C. Use β= 210x10-6 C0.
Monday, June 6, 2016 by Anonymous

Physics
18 mols of gold are shaped like a sphere. What is the sphere’s diameter. Note the atomic mass of gold is 0.197 kg/mol and its density is 19,300 kg/m3.
Monday, June 6, 2016 by Anonymous

physics
An aircraft is flying at Mach 1.34 in air at -30C. What is the speed of the aircraft?
Monday, June 6, 2016 by Anonymous

maths,science, physics
A block of mass 50kg was left to slide down a ramp elevated at an angle of 45 decrease as shown in the diagram below (assume g=9.8 ms^-2). I . Calculate the net force causing the block to slide down the ramp (assume no friction) II. Calculate the net force causing the block to...
Sunday, June 5, 2016 by Oxy

maths,science, physics
A toy locomotive of mass 420g moving at 30cm s^-1 south collides with a carriage of mass 200g moving at 30cm s^-1 north. If they become couple together, what is their common velocity after the collision?
Sunday, June 5, 2016 by Oxy

maths,science, physics
A bullet of mass 20g is fired from a rifle of mass 4kg with a speed of 500ms^-1.Calculate the initial velocity of the recoil of the rifle.
Sunday, June 5, 2016 by Oxy

maths,science, physics
A mass of 2kg resting on a smooth level table is connected by a light in extensible string passing over a frictionless pulley to a suspended 3kg mass (imagine as shown on the diagram).Find: I.The tension in the string. II. The magnitude of the acceleration of the two masses. ...
Sunday, June 5, 2016 by Oxy

maths,science, physics
A small cart of mass 300g when emty can move freely on a horizontal surface. The cart contains 100g of sand and moves initially with speed of 18cm s^-1. a)what would be the speed of the cart if a further 200g of sand were dropped vertically into it from a stationary container...
Sunday, June 5, 2016 by Oxy

maths,science, physics
A truck of mass 4×10^3 moving at 3.5 ms^-1 collides with a stationary truck to which it becomes automatically coupled. Immediately after the impact the trucks moves along together at 2 ms^-1 in the same direction. Find the mass of the second truck.
Sunday, June 5, 2016 by Oxy

Physics HELP
When the pressure P of a fixed mass of gas is inversely proportional to its volume V at constant temperature. (Where mass and temperature are constant) When volume is increased, the distance between the walls of the container is ?. This causes the average time between each ...
Sunday, June 5, 2016 by Timu

Physics I (Classical)
A flat go-kart track consists of two straightways 100 m long with semicircular ends which have a radius of 25.0 m. A go-kart executes the curved end with a constant tangential acceleration while slowing from 12.4 m/s to 5.9 m/s. Determine the magnitude of the total ...
Sunday, June 5, 2016 by Victoria

Physics I (Classical)
At some instant, a particle traveling in a horizontal circular path of radius 7.50 m has a total acceleration with a magnitude of 16.0 m/s^2 and a constant tangential acceleration of 12.0 m/s^2. Determine the speed of the particle at this instant and (1/8) revolution later.
Sunday, June 5, 2016 by Victoria

Physics I (Classical)
At some instant, a particle traveling in a horizontal circular path of radius 7.50 m has a total acceleration with a magnitude of 16.0 m/s^2 and a constant tangential acceleration of 12.0 m/s^2. Determine the speed of the particle at this instant and (1/8) revolution later. I...
Sunday, June 5, 2016 by Victoria

Physics I (Classical)
At some instant, a particle traveling in a horizontal circular path of radius 7.50 m has a total acceleration with a magnitude of 16.0 m/s2 and a constant tangential acceleration of 12.0 m/s2. Determine the speed of the particle at this instant and (1/8) revolution later. I ...
Sunday, June 5, 2016 by Victoria

Physics
A car travelling at 90 km/hr sounds it horn as it approaches a stationary cyclist.if the car horn is at 512 Hz and temperature of air is 10 degree centigrade, what is the frequency of the sound waves reaching the cyclist as car approaches.
Sunday, June 5, 2016 by Allen

physics
The x component of a vector A is -96.0 m and the y component is +29.0 m. What is the angle between the direction of A and the positive direction of x?
Sunday, June 5, 2016 by PLZ HELPPPP

physics
a motor car accelerates for 10seconds to attain a velocity of 20m/s2 . it continues with uniform velocity for a further 20seconds and then decelerates so that it steps in 20seconds. calculate the acceleration and deceleration?
Sunday, June 5, 2016 by Able

physics
a stone is projected upwards at an angle of 30 degree to the horizontal from the top of a tower 100m and it hits the ground at a point Q. If the initial velocity of projection is 100m/s2.calculate the maximum height of the stone above the ground
Sunday, June 5, 2016 by Able

PHYSICS
A FORCE OF 40N IS Applied at the end of wire 4m long and produced an extention of 0.24mm if the diameter of wire is 2.00mm.calculate stress on wire and strain in the wire
Sunday, June 5, 2016 by ESTHER

Physics
Swimming at 3.00 m/s relative to still water, a swimmer heads directly across a river of width 80 m. He arrives 50 m downstream from the point directly across the river from his starting point. (a) What is the speed of the current in the river? (b) At what angle relative to ...
Sunday, June 5, 2016 by Ryan Tye

Physics
Find the longest wavelength by resonating air in 20 cm tube which is opened both ends
Sunday, June 5, 2016 by Ali

physics
A 0.02kg bullet is fired at a 3.5kg block which is initially at resr on a table. The bullet embeds in the block. Friction converts the 24.02J of kinetic energy to heat and brings the block and bullet system to stop. How fast was the bullet and block system sliding immediately ...
Sunday, June 5, 2016 by ChrismB

physics
A marine siren consists of a cylinder 72 cm in length closed at one end.for sound through air at 336 m/s. find the lowest frequency of the siren
Saturday, June 4, 2016 by omar

physics
A car is travelling at 20m/s along a road. A child runs out into the road 50m ahead and the car driver steps on the brake pedal. What must the car's declerations be if the car is to slop just before it reaches the child .
Saturday, June 4, 2016 by sumit

Physics
An arrow has an initial launch speed of 39 m/s. If it must strike a target 39 m away at the same elevation, what should be the projection angle?(Hint: sin2θ = 2sinθcosθ)
Saturday, June 4, 2016 by Neal parikh

Physics
A pitcher throws horizontally a fast ball at 156 km/h toward the home plate, which is 18.2 m away. Neglecting air resistance (not a good idea if you are the batter), find how far the ball drops because of gravity by the time it reaches the home plate.
Saturday, June 4, 2016 by Neal parikh

Physics
A ball is thrown vertically upward from the edge of a bridge 29.0 m high with an initial speed of 20.0 m/s. The ball falls all the way down and strikes the water below. Determine the time it takes the ball to strike the water.
Saturday, June 4, 2016 by Neal parikh

PHYSICS
Explain the statement the capacitance of a capacitor is 5microfarads
Saturday, June 4, 2016 by KENNEDY

physics
what is the frequency of unknown fork if 8 beats in 8 seconds are heard with each fork
Saturday, June 4, 2016 by john

physics
What is the formula to calculate the height of fluid in cylinder if the volume of fluid is known, and the length and diameter of cylinder is known? Kindly help please!
Saturday, June 4, 2016 by ChrismB

Physics
This is a theoretical question, ignore the numbers. A 205-kg log is pulled up and to the right on a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0 degrees with respect to the horizontal. The coefficient of kinetic friction ...
Saturday, June 4, 2016 by Anonymous

Physics
A man with a mass(mm) of 71.9 kg stands up in a 95-kg canoe(mc) of length(l) 4.00 m floating on water. He walks from a point 0.75 m from the back of the canoe to a point 0.75 m from the front of the canoe. Assume negligible friction between the canoe and the water. How far ...
Saturday, June 4, 2016 by Madison

physics
A ball of mass 0.1 kg, initially at rest, is dropped from height of 1 m. Ball hits the ground and bounces off the ground. Upon impact with the ground, its velocity reduces by 20%. The height (in m) to which the ball will rise is:
Saturday, June 4, 2016 by Gulab

physics
A 0.02kg bullet is fired at a 3.5kg block which is initially at rest on a table. The bullet embeds in the block. Friction converts the 24.02J of kinetic energy to heat and brings the block and bullet system to stop. How fast was the bullet and block system sliding immediately ...
Saturday, June 4, 2016 by ChrismB

Physics I (Classical)
Determine the magnitude of the centripetal acceleration of an object on the surface of the Earth at a latitude of 71.6°. Consider the Earth to be a sphere of radius R = 6.38 ✕ 106 m.
Friday, June 3, 2016 by Victoria

Physics I (Classical)
Three students have been studying relative motion and decide to do an experiment to demonstrate their knowledge. The experiment plan calls for Jane to drive her pickup in a straight line across the parking lot at a constant speed of 11.2 m/s. Fred is in the back of the truck ...
Friday, June 3, 2016 by Victoria

Physics
You are lying on the bottom of a swimming pool filled 15 ft deep with water (ftwater = 1.33). What is the diameter of the "hole” at the water surface through which you can see out of the pool?
Friday, June 3, 2016 by ?

Physics
An jet flies between two points on the ground that are 500 km apart with an airspeed of 200 m/s. The destination is directly north of the point of origin of the flight.. If a constant wind blows at 10 m/s toward the west during the flight, what direction must the plane fly ...
Friday, June 3, 2016 by Damien Deninson

Physics
An helicopter flies in a strange pattern, all at the same altitude of 5 km: 1) it flies 29 km in a direction 30.0° east of north, 2) it flies 20 km due south, and 3) it flies 10 km in a direction 30.0° north of west. How far did the helicopter end up from its starting ...
Friday, June 3, 2016 by Damien Deninson

Physics
An ant crawls 23 m to the north, then turns 30° towards the right and crawls another 23 m. Determine the direction of the ant's displacement vector, expressed as an angle relative to east.
Friday, June 3, 2016 by Damien Deninson

physics
what is the maximum possible value of static friction?
Friday, June 3, 2016 by JOSEPH GURTI

PHYSICS
Pressure at the bottom doesnot depdnd on..
Friday, June 3, 2016 by GIFT

Physics
A body travels a distance of 2m in 2s. 2.8m in next 4sec.What will be speed of body in 10th second of its journey.
Friday, June 3, 2016 by Anonymous

physics
An aluminum plate of mass 0.1 kg at 95oC is immersed in 0.5 litre of water at 20oC kept inside an insulating container and is then removed. If the temperature of the water is found to be 23oC, then the temperature of the aluminum plate is ___________ oC. (The specific heat of ...
Thursday, June 2, 2016 by Rohan

physics
A ladder leans against a slick wall (zero friction) with the foot of the ladder on level ground with a coefficient of friction of 0.06. The greatest angle from the vertical possible without the ladder slipping is: ? how would I set up this problem?
Thursday, June 2, 2016 by Asykes

Physics - Doppler Effect
How fast is a car moving and in what direction if the frequency of the horn drops from 900 Hz to 875 Hz, as heard by a stationary listener? The air temperature is 0oC. How to solve? I have no idea...
Thursday, June 2, 2016 by lost in life

Physics
Two sound waves are traveling through a container of unknown gas. Wave A has a wavelength of 1.2 m. Wave B has a wavelength of 3.6 m. The frequency of wave B must be __________ the frequency of wave A. a. one-ninth b. one-third c. the same as d. three times larger than the ...
Thursday, June 2, 2016 by lost in life

Physics
Unit 7 Heat And Temperature
Thursday, June 2, 2016 by Kibru Kassa

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