Friday
September 4, 2015

Homework Help: Science: Physics

Recent Homework Questions About Physics

physics
A 15-kg block is on a frictionless ramp that is inclined at 20° above the horizontal. It is connected by a very light string over an ideal pulley at the top edge of the ramp to a hanging 19-kg block, as shown in the figure. The string pulls on the 15-kg block parallel to ...
Wednesday, April 15, 2015 by Mazdaly

physics
A 1000-kg barge is being towed by means of two horizontal cables. One cable is pulling with a force of 80.0 N in a direction 30.0° west of north. In what direction should the second cable pull so that the barge will accelerate northward, if the force exerted by the cable ...
Wednesday, April 15, 2015 by Mazdaly

physics
A 40-kg box is being pushed along a horizontal smooth surface. The pushing force is 15 N directed at an angle of 15° below the horizontal. What is the magnitude of the acceleration (in m/s2) of the crate?
Wednesday, April 15, 2015 by Mazdaly

physics
A car of mass 1100 kg that is traveling at 27 m/s starts to slow down and comes to a complete stop in 578 m. What is the magnitude of the braking force (in N) acting on the car?
Wednesday, April 15, 2015 by Mazdaly

physics
At what altitude should a satellite be placed into circular orbit
Wednesday, April 15, 2015 by Josh

physics
If I weigh 741 N on Earth at a place where g = 9.80 m/s2 and 5320 N on the surface of another planet, what is the acceleration due to gravity (in m/s2) on that planet?
Wednesday, April 15, 2015 by Mazdaly

Physics
An engineer has an odd-shaped object of mass 16 kg and needs to find its rotational inertia about an axis through its center of mass. The object is supported on a wire along the desired axis. The wire has a torsion constant κ = 0.4 N· m. If this torsion pendulum ...
Wednesday, April 15, 2015 by Shane

Physics
If a 0.50-kg block initially at rest on a frictionless, horizontal surface is acted upon by a force of 8.0 N for a distance of 4 m, then what would be the block's velocity?
Wednesday, April 15, 2015 by Maria

Physics
A bicycler rider is traveling at 7m/s. During an 8s period, the bicycle rider then slows down with acceleration to a speed of 3 m/s. How far does the bicycle rider travel during the 8s? d=7m/s s=3m/s t=8s t x s = d/t x t d = s x t
Wednesday, April 15, 2015 by Raven

Science/Physics
My question is you walk 3.9 kilometers to school. In gym, you do the 12 minute run and actually make it 2.4 kilometers. After school you walk your friend home first and then go home it is 3.1 kilometers farther than your morning walk to school. What was your total distance ...
Wednesday, April 15, 2015 by Jenna

physics
A skier descends a mountain at an angle of 35.0º to the horizontal. If the mountain is 235 m long, what are the horizontal and vertical components of the skier's displacement?
Wednesday, April 15, 2015 by Trish

physics
When responding to sound, the human eardrum vibrates about its equilibrium position. Suppose an eardrum is vibrating with an amplitude of 6.7 x10-7 m and a maximum speed of 3.9 x10-3 m/s. (a) What is the frequency (in Hz) of the eardrum's vibrations? (b) What is the ...
Wednesday, April 15, 2015 by Anonymous

Physics
How much energy is require to set a 0.304m phonograph record into rotation at 33.33 revolution per minute if the mass of the record is 0.11kg?
Wednesday, April 15, 2015 by Olushola

physics
A boy drops a mango from a tree it falls without rebound wat happens to its momentum
Wednesday, April 15, 2015 by tobore

Physics
8. A 4.70 m long pole is balanced vertically on its tip. What will be the speed (in meters/second) of the tip of the pole just before it hits the ground? (Assume the lower end of the pole does not slip.) I did V^2=0^2+2(9.8)(4.70) and was wrong. I did remember to square root ...
Wednesday, April 15, 2015 by Victoria

Physics
8. A 4.70 m long pole is balanced vertically on its tip. What will be the speed (in meters/second) of the tip of the pole just before it hits the ground? (Assume the lower end of the pole does not slip.) I did V^2=0^2+2(9.8)(4.70) and was wrong. I did remember to square root ...
Wednesday, April 15, 2015 by Victoria

physics
two identically charged sphere of mass 3 gm each are suspended from a point by threads of length 13 cm. they are separated 10 cm due to repulsion. find the tension of the thread and charge on the sphere?
Wednesday, April 15, 2015 by Anonymous

physics
find the weight of a person with a mass of 68.0kg
Wednesday, April 15, 2015 by j

Physics
We think of the width of the central maxima on our screen as a measure of the uncertainty in the direction of travel of the protons. What happens to this uncertainty in the direction of travel (momentum) as the slit width narrows?
Wednesday, April 15, 2015 by Anonymous

Physics
When we force protons through a narrow slit, we are gaining certainty in their position. As we gain certainty in their position, what should happen to the certainty on momentum?
Wednesday, April 15, 2015 by Anonymous

Physics
The density of a solid is 130gcm^-3 at the temperature of 25 degree Centrigate.Find the Density at 150 degree Celcius if the linear expansion of the solid is 2.0*10^(-5)K^-1. I got the answer to be 129.03.
Tuesday, April 14, 2015 by Sirneij

Physics
An antiaircraft gun fires at an elevation of 60° at an enemy aircraft at 10,000m above the ground. At what speed must the cannon be shot to hit the plane at that height.
Tuesday, April 14, 2015 by Olushola

Physics
A stone is thrown vertically upward with an initial speed u.if is the acceleration due to gravity,at what time will the stone return to the starting point
Tuesday, April 14, 2015 by Olushola

Physics
A cannon ball is projected so as to attain maximum range. Find the maximum height attained if the initial velocity is u
Tuesday, April 14, 2015 by Olushola

PHYsics
A centrifuge for separation of sugar crystals in molasses must exert a force of 6 N/g. If the filter drum has a radius of 350 mm, determine the required speed in the revolution per minute I tried the following F = 6 = 10^-3*a a = 6000 = ω^2*r
Tuesday, April 14, 2015 by David

physics
How long would it take to bring a 318 kg car moving at 11.2 m/s to a complete stop if a 602.8 N breaking force is applied?
Tuesday, April 14, 2015 by Anonymous

physics
An ideal gas at 19.8 °C and a pressure of 2.79 x 105 Pa occupies a volume of 3.66 m3. (a) How many moles of gas are present? (b) If the volume is raised to 7.20 m3 and the temperature raised to 28.5 °C, what will be the pressure of the gas? I got a) right with 419.46, ...
Tuesday, April 14, 2015 by P H Y S I C S

Technical Physics
A boat is sitting in the middle of the lake. What happens to the water level in the lake when a heavy anchor is thrown overboard? Does the water level rise, lower, or stay the same.
Tuesday, April 14, 2015 by Anonymous

Physics
4 charges Q1=2C, Q2=3C, Q3=3C & Q4=-4C are placed at the vertices of a square of side 10cm. find the force on 5th charge Q5=1C placed at the center of square.
Tuesday, April 14, 2015 by Anonymous

Physics
The density of a solid is 130gcm^-3 at the temperature of 25 degree Centrigate.Find the Density at 150 degree Celcius if the linear expansion of the solid is 2.0*10^(-5)K^-1. I got the answer to be 129.03.
Tuesday, April 14, 2015 by Sirneij

Physics
The angle of a rotating shaft turns in t seconds is given by theta= ω+1/2at^2 and it is given that ω=3 rad/s and α=0.6 rad/s to complete θ=4 radians. Determine the time taken to complete θ=4 radians.
Tuesday, April 14, 2015 by Baz

physics
A centrifuge for separation of sugar crystals in molasses must exert a force of 6 N/g. If the filter drum has a radius of 350 mm, determine the required speed in the revolution per minute I tried the following F = 6 = 10^-3*a a = 6000 = ω^2*r
Tuesday, April 14, 2015 by Paul

physics
A ball is thrown vertically upward from the edge of a cliff of height 131 m. The initial velocity is 77.7 m/s. how high is the cliff?
Tuesday, April 14, 2015 by Holly

physics
A centrifuge for separation of sugar crystals in molasses must exert a force of 6 N/g. If the filter drum has a radius of 350 mm, determine the required speed in the revolution per minute I tried the following F = 6 = 10^-3*a a = 6000 = ω^2*r
Tuesday, April 14, 2015 by Paul

physics
a particle covers 1/2 distance between A and B with a velocity V0. during 1/2 of the time required to cover the remaining distance the particle moves with a velocity V1 and rest moves with a velocity V2. find the average velocity of the particle
Tuesday, April 14, 2015 by anubhab

Physics
In exercising, a weight lifter loses 0.236 kg of water through evaporation, the heat required to evaporate the water coming from the weight lifter's body. The work done in lifting weights is 1.41 x 105 J. (a) Assuming that the latent heat of vaporization of perspiration is...
Tuesday, April 14, 2015 by Check please

Physics
A train accelerates from the rest at the station A at a rate of 0.8 m/s2 for 25 s, the travels at constant velocity for 77.5 s before it comes to rest at the station B after period of retardation lasting 20 s. What is the distance between stations A and B, and the average ...
Tuesday, April 14, 2015 by Albert

physics
Choose one of the Laws of Thermodynamics (zeroth, first, second, or third) and give a brief summary of its development. Who is credited with "discovering" it and when? How did the four laws come to be ordered as they are? Please explain in detail
Tuesday, April 14, 2015 by liz

physics
A machine with an efficiency of 100% is said to be efficient. a) If a lever has a distance of 4m from the pivot to where a load of 500N is applied and a distance of 1m from the pivot to where the load is,calculate the efficiency of the lever when height moved by effort i 3m ...
Tuesday, April 14, 2015 by alexander

physics
A 10kilow walts electric motor is used to raise a 400kg load of bricks to a height of 60meters.The efficiency of the motor 80%.what is the input energy?
Tuesday, April 14, 2015 by alexander

physics
A particle starts moving from rest with uniform acceleration.It travels a distance x in first 2 sec and a distance y in the next 2 sec.Then Answer) y=3x
Tuesday, April 14, 2015 by AVINAV KUMAR CHOURASIA

physics
a body of mass 25kg,moving at 3m/s on a rough horizontal floor is brought to rest after sliding through a distance of 2.5m on the floor. calculate the coefficient of sliding friction [g=10ms-2]
Tuesday, April 14, 2015 by Jephthah

PHYSICS
Calculate the maximum height the tank shell reaches using the initial speed (18 m/s), half-time(1.8), and angle(75).
Monday, April 13, 2015 by Anonymous

physics
Calculate the range of the projectile using the initial speed and angle. Use g = 9.8m/s your calculation. Initial speed is 18m/s Angle is 75 Help please !!
Monday, April 13, 2015 by jacob

Physics
A soccer ball is kicked from the edge of a cliff with a velocity of 12.0m/s horizontally. If the ball landed 47.9m from the base of the cliff, how tall is the cliff?
Monday, April 13, 2015 by Dandelionnn

physics
A 4.0kg particle collides with a 6.0 kg particle that is at rest at 10m/s. What is the velocity of the particles after the collision
Monday, April 13, 2015 by tom

physics
When the lights of an automobile are switched on, an ammeter in series with them reads 9.70 A and a voltmeter connected across them reads 12.20 V. When the electric starting motor is also turned on, the ammeter reading drops to 7.30 A and the lights dim somewhat. If the ...
Monday, April 13, 2015 by Ted

Physics
I have a question on fluids. Water in a section 1.2m wide, 2m high. retained by sluice gate that can pivot about its base. There is a retaining cable at the top of the gate. Determine tension in the retaining cable at the top of the gate when the depth of water is 1.8m. ...
Monday, April 13, 2015 by Danny

physics
A flying bat emits squeaks at a frequency of 80 MHz, if a stationary observer picks up the frequency of the squeaks as 78 MHz, is the bat moving towards or away from the listener? Determine the speed of the bat.
Monday, April 13, 2015 by Bafana

Physics 2
Calculate the maximum height using the initial speed, half-time, and angle. The initial speeed is 9.8m/s, half time is 1.8, and the angle is 75.
Monday, April 13, 2015 by Jennifer

Physics
Calculate the maximum height using the initial speed, half-time, and angle. The initial speeed is 18m/s, half time is 1.8, and the angle is 75
Monday, April 13, 2015 by Jennifer

Physics
Ann, Sam and you take a trip to the orbiting International Space Station, bringing along a hula hoop that is 1.02 m in diameter (= 2R) and has a mass Mh = 2.0 kg. You are watching from a viewport while Sam and Ann go outside for a (space) walk. You see both Sam and Ann ...
Monday, April 13, 2015 by Spencer

physics
A block of mass M1 = 15 kg is lying on a horizontal friction-less surface is connected to a string passing over a friction-less pulley. A mass of M2 = 25 kg is hanging at its other end as shown in the figure below. (i) Find the acceleration in the masses. (ii) What is the ...
Monday, April 13, 2015 by trei-sha

Physics
A sprinter crosses the finish line of a race. The roar of the crowd in front approaches her at a speed of 357m/s . The roar from the crowd behind her approaches at 341m/s . A) What is the speed of the sound? B) What is the sprinter's speed?
Sunday, April 12, 2015 by Anonymous

Physics
You have 250 g of water in an aluminium calorimeter with a mass of 125 g. How long will it take to increase the temperature of the water and calorimeter from 20C to 37C if the system is heated by a resistive heating element with 8 V across the resistor and 0.75 A flowing ...
Sunday, April 12, 2015 by Anna

Physics
A not so brilliant physics students wants to jump from their 3rd floor apartment window to the swimming pool below. The problem is the base of the apartment is 8.00 meters from the pool’s edge. If the window is 20.0 meters high, how fast does the student have to be ...
Sunday, April 12, 2015 by Carla Mae

Physics
3. A bullet is fired from at a shooting range. The bullet hits the ground after 0.32 seconds. How far did it travel horizontally and vertically in this time if it was fired at a velocity of 1100 m/s?
Sunday, April 12, 2015 by Michael

PHYSICS math
2. An airplane is 50,000 m above an observer and 2.1 km to the west of them and 1.5 km to the north of you. Determine the angle to the plane in the x – y axis and the total distance to the plane from you. Choose the x-axis east, y axis north, and z axis up
Sunday, April 12, 2015 by MICHAEL T.

Physics
Stacy uses a close range telescope, which contains 2 converging lenses, each having a focal distance of 0.750 m, separated by a distance of 1.501 m. If she spots Jane, located a distance of 542 meters away, what is the magnification of the image she sees? is it upright or ...
Sunday, April 12, 2015 by Victoria

physics
A crane operator intends to lift a 300 kg piece of equipment using an upward force of 4000 N, will he be able to lift the equipment.
Sunday, April 12, 2015 by Danielle

physics
a boy drops a mango from a tree it falls without rebound what happens to it's momentum
Sunday, April 12, 2015 by silva

PHYSICS
Determine the resulting temperature when 1kg of ice at 0 Degree celcius is mixed with 9kg of water.
Sunday, April 12, 2015 by JOE

physics
An electrical power plant generates electricity with a current of 50A and a potential difference of 20,000 V. In order to minimize the power losses due to the high current heating up the line, a transformer steps up the potential difference to 500,000 V before it is ...
Sunday, April 12, 2015 by Anonymous

physics
An object whose moment of inertia is 2.5 kg · m^2 experiences the torque shown in the figure below. What is the object's angular velocity at t = 1.6 s? Assume it starts from rest. webassign[.]net[/]knight[/]p13-21[.]gif So far, I know that that to find the ...
Sunday, April 12, 2015 by HELP.

physics
1 The principle of conservation of heat energy states that that when an object is at constant temperature or is in thermal equilibrium, it is losing and gaining heat at equal rates. the heat lost by a hot body is equal to the heat gained by the cold body in any system provided...
Sunday, April 12, 2015 by promise

physics
1 The specific heat of a substance at its boiling point or melting point Is 0 Is infinity Is negative lies between 0 and 1 2 A unit mass of solid converted to liquid at its melting point. Heat is required for this process is Specific heat Latent heat of vaporization Latent ...
Sunday, April 12, 2015 by promise

Physics
The pressure of water flowing through a 6.5×10−2−m -radius pipe at a speed of 1.8m/s is 2.2 × 105 N/m2 What is the flow rate of the water? What is the pressure in the water after it goes up a 5.2−m -high hill and flows in a 5.0×10−2&#...
Sunday, April 12, 2015 by Anonymous

Physics
A car with a total mass of 1800kg (including passengers) is driving down a washboard road with bumps spaced 5.0m apart. The ride is roughest—that is, the car bounces up and down with the maximum amplitude—when the car is traveling at 6.1 m/s.What is the spring ...
Sunday, April 12, 2015 by Anonymous

physics- Space
How does the amount of dark matter in the Universe compare to the amount of ordinary matter? In what way is dark matter similar to ordinary matter? In what way are they different? I got the first one which dark matter is 23% of the universe. But for the other questions, the ...
Sunday, April 12, 2015 by Anonymous

Physics
a freight train has two engines, each with a mass of 50,000 kg. pulling
Sunday, April 12, 2015 by Antoinette

Physics
In exercising, a weight lifter loses 0.236 kg of water through evaporation, the heat required to evaporate the water coming from the weight lifter's body. The work done in lifting weights is 1.41 x 105 J. (a) Assuming that the latent heat of vaporization of perspiration is...
Sunday, April 12, 2015 by Jay

Physics, tempreture
A rock of mass 0.234 kg falls from rest from a height of 28.9 m into a pail containing 0.492 kg of water. The rock and water have the same initial temperature. The specific heat capacity of the rock is 1840 J/kg C°. Ignore the heat absorbed by the pail itself, and ...
Sunday, April 12, 2015 by Help me please

Physics
A uniform, 274-N rod that is 2.05m long carries a 225-N weight at its right end and an unknown weight W toward the left end.When W is placed 50.3cm from the left end of the rod, the system just balances horizontally when the fulcrum is located 78.0cm from the right end. i ...
Sunday, April 12, 2015 by Robin

physics
A concave mirror forms a real image twice as large as the object. The object is then moved such that the new real image produced is three times the size of the object. If the image was moved 94.1 cm from its initial position, how far was the object moved? I have no clue how to...
Saturday, April 11, 2015 by Kayla

Physics
You and your friends are doing physics experiments on a frozenpond that serves as a frictionless, horizontal surface. Sam,with mass 80.0 kg, is given a push and slides eastward. Abigail, with mass 50.0 kg, is sent sliding northward. Theycollide and after the collision, Sam is ...
Saturday, April 11, 2015 by Olive

physics
a hollow spherical iron shell floats just completely submerged in water.the outer diameter is 50 cm and the density of iron is 7.9cm cubed .find he inner diameter of the shell
Saturday, April 11, 2015 by hope

Physics
1kg of an unknown metal at 94 degrees C is placed in 100g of water at 10 degrees C. The final temperature of the metal and water are 17 degrees C. By finding specific heat capacity, identify the metal
Saturday, April 11, 2015 by Sarah

Physics
The velocity of the Moon relative to the center of the Earth can be approximated by varrowbold(t) = v [−sin (ωt) xhatbold + cos (ωt) yhatbold], where v = 945 m/s and ω = 2.46 multiplied by 10−6 radians/s. (The time required for the Moon to complete ...
Friday, April 10, 2015 by Anonymous

math/physics
A 8 kg mass is attached to a spring hanging from the ceiling and allowed to come to rest. assume that the spring constant is 40 n/ m and a damping constant is 3 N/m. At t=0 and external force of 2 sin(2t+PI/4)N is applied to the system. determine amp, frequency and steady ...
Friday, April 10, 2015 by Frank

PHYSICS
A Hammer weighing 3kg strikes the head of a nail with a speed of 2m/s and drives it by 1cm into the wall. find the impulse?
Friday, April 10, 2015 by SREE

physics
A cat usually lands on its feet regardless of the position from which it is dropped. A slow-motion film of a cat falling shows that the upper half of its body twists in one direction while the lower half twists in the opposite direction. (See figure below.) Why does this type ...
Friday, April 10, 2015 by bob

physics
a car moves from A to B covering a distance of 1000km it covers the first 300km at 60km/h the next 400km at 80 km /h at what speed it should it cover the remaining distance so that achieve an average speed of 70km/h?
Friday, April 10, 2015 by jhanvi

Physics
Is this correct?? Metal block weighs 500g in air and 446g completely submerged in water. Calculate density and relative density. Density of water = 1000kg/m3 BF (Buoyant force) will be 500g-446g = 0.54 g (or 0.054 kg). For volume: If BF = Density(water)*V*g then V = BF/density...
Friday, April 10, 2015 by Danny

physics
a car moves from car A to B covering a distance of 600km/h if it covers first 400km at 80km/h and the other remaining at 100km/h .What is the average speed for entire journey
Friday, April 10, 2015 by jhanvi

physics
a cyclist moves around equilateral triangle6kn/h10km/h,12km/hfind average speed?
Friday, April 10, 2015 by jhanvi

physics. urgent answer please
Two forces 10 N acting in the direction N 30 east and 15 N acting in the eastern direction, if both forces act at a point, find the magnitude and direction of (a) the resultant force (b) the equilibriant force.
Friday, April 10, 2015 by Godson

Physics
An atomic nucleus at rest decays radioactively into an alpha particle and a nucleus smaller than the original. What will be the speed of this recoiling nucleus if the speed of the alpha particle is 2.20E+05 m/s? Assume the recoiling nucleus has a mass 54 times as great as that...
Friday, April 10, 2015 by Victoria

ANSWER ASAP!!!!!!! PHYSICS
a small airplane is dropping a probe in a remote area in antarctica in a narrowly specified location. the probe in a protective shell can not land any harder than with a maximum speed of 60m/sec at landing, while the plane has to move at a minimum speed of 30m/sec horizontally...
Friday, April 10, 2015 by riana

NEED HELP ASAP PHYSICS@!!1
Tarzan (m = 78.4 kg) tries to cross a river by swinging from a vine. The vine is 10 m long. Tarzan doesn't know that the vine has a breaking strength of 1045 N. What maximum speed (in m/s) can Tarzan have at the bottom of the swing (as he just clears the water) in order to...
Friday, April 10, 2015 by johnny

NEED HELP ASAP PHYSICS@!!1
A person is flying a model airplane with mass 82.2 gram in a horizontal circular path on the end of a string 10.5 m long. The string is horizontal and exerts a force of 3.22 N on the hand of the person holding it. What is the speed (in m/s) of the plane? PLEASE PLEASE PLEASE ...
Friday, April 10, 2015 by johnny

Physics
In about 1915, Henry Sincosky of Philadelphia suspended himself from a rafter by gripping the rafter with the thumb of each hand on one side and the fingers on the other side (see the figure). Sincosky's mass was 87.6 kg. If the coefficient of static friction between hand ...
Thursday, April 9, 2015 by Wack

physics
How can the alternative definition of power: P = \frac{w}{\Delta t} = F \frac{d}{\Delta t} ... can be derived by substituting the definitions of work and speed into the standard definition of power, P =\frac{W}{\Delta t}. (Equations written without latex formatting:) P = w/...
Thursday, April 9, 2015 by Heeyong

Physics
A block of mass 0.65 kg and density 650 kg/m³ is forced under the surface of the water by means of a spring (k = 60.0 N/m) that is fixed to the bottom of the container as shown in the figure. How much is the spring stretched? (the density of water is 1000 kg/m³).
Thursday, April 9, 2015 by Rutgers

Physics
Water at a pressure of 3.90 atm at street level flows into an office building at a speed of 0.45 m/s through a pipe 5.60 cm in diameter. The pipes taper down to 2.10 cm in diameter by the top floor, 26.0 m above. Calculate the water pressure in such a pipe on the top floor.
Thursday, April 9, 2015 by Rutgers

Physics
A large container, 114 cm deep is filled with water. If a small hole is punched in its side 93.0 cm from the top, at what initial speed will the water flow from the hole?
Thursday, April 9, 2015 by Rutgers

Physics
A raft is made of 14 logs lashed together. Each is 29.5 cm in diameter and has a length of 6.50 m. How many people (whole number) can the raft hold before they start getting their feet wet, assuming the average person has a mass of 75.0 kg? Do not neglect the weight of the ...
Thursday, April 9, 2015 by Rutgers

physics
A 42.5 g marble is fired vertically upward using a spring gun. The spring must be compressed 7.0 cm if the marble is to reach a target 27.0 m above the gun. What is the change in gravitational energy of the marble during its ascent?
Thursday, April 9, 2015 by Stephanie

physics
'2 balls of mass ratios 1:2 are dropped from the same height. State the ratio between their velocities when they strike the ground, the ratio of forces acting on them during motion.'
Thursday, April 9, 2015 by bhargav

PHYSICS
In a power plant the high pressure turbine trips due to an unauthorised valve shutdown. What are a) what is the angular acceleration of the turbine blade? b) what is the distance travelled by a point on the rim of the turbine blade during the acceleration? c) what is the ...
Thursday, April 9, 2015 by Joe

Physics
Two forces 10 N acting in the direction N 30 east and 15 N acting in the eastern direction, if both forces act at a point, find the magnitude and direction of (a) the resultant force (b) the equilibriant force.
Thursday, April 9, 2015 by Godson

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