Friday
December 19, 2014

Homework Help: Science: Physics

Recent Homework Questions About Physics

Post a New Question | Current Questions

physics
a movie last 2 hours. during that time what is the angular displacement of each of the following? a.the hour hand b.the minute hand c.the second hand
Monday, December 8, 2014 at 7:46pm

physics help please please please!!!
A spaceship lands on a new planet. the crew decides to measure the speed of sound in the planets atmosphere. taking a tube with a length of 50 cm, they find that one resonant frequency occurs at 2,520 Hz, and the next resonant frequency at 2,940 hz. what is the speed of the ...
Monday, December 8, 2014 at 7:06pm

physics
A movie lasts 2 hours. During that time, what is the angular displacement of each of the following? a.the hour hand b.the minute hand c.the second hand
Monday, December 8, 2014 at 6:57pm

statics/physics
The uniform 10-kg ladder in the figure rests against the smooth wall at B, and the end A rests on the rough horizontal plane for which the coefficient of static friction is 0.3. determine the angle of inclination of the ladder and the normal reaction at b if the ladder is on ...
Monday, December 8, 2014 at 5:26pm

Physics
A weight of 690 N is held by two cables. The left-hand cable had tension T2 and makes an angle of 41◦ with the ceiling. The right-hand cable had tension T1 and makes an angle of 42◦ with the ceiling. What is the tension in the cable labeled T1 slanted at an angle ...
Monday, December 8, 2014 at 5:10pm

Physics
Consider the 690 N weight held by two cables. The left-hand cable had tension T2 and makes an angle of 41◦ with the ceiling. The right-hand cable had tension T1 and makes an angle of 42◦ with the ceiling.
Monday, December 8, 2014 at 4:28pm

physics
A 75-g piece of aluminum at 89 °C is dropped in 1.0 L of water at 1.3 101 °C, which is in an insulated beaker. Assuming that there is negligible heat loss to the surroundings, determine the equilibrium temperature of the system
Monday, December 8, 2014 at 3:54pm

Physics
A box of books weighing 337 N is shoved across the floor by a force of 467 N exerted downward at an angle of 35° below the horizontal. (a) If μk between the box and the floor is 0.56, how long does it take to move the box 4.00 m starting from rest? 2.518 s (b) What is...
Monday, December 8, 2014 at 10:56am

Physics
A hockey puck is hit on a frozen lake and starts moving with a speed of 13.80 m/s. Exactly 5.1 s later, its speed is 7.80 m/s. (a) What is the puck's average acceleration? m/s2 (b) What is the coefficient of kinetic friction between the puck and the ice?
Monday, December 8, 2014 at 9:13am

Physics
A 2.84 kg block starts from rest at the top of a 30° incline and accelerates uniformly down the incline, moving 1.92 m in 1.90 s. (a) Find the magnitude of the acceleration of the block. m/s2 (b) Find the coefficient of kinetic friction between the block and the incline. (...
Monday, December 8, 2014 at 8:59am

Physics
A box of books weighing 337 N is shoved across the floor by a force of 467 N exerted downward at an angle of 35° below the horizontal. (a) If μk between the box and the floor is 0.56, how long does it take to move the box 4.00 m starting from rest? s (b) What is the ...
Monday, December 8, 2014 at 8:34am

Physics
A 2.0 kg mass starts from rest and slides down an inclined plane 7.9 ✕ 10-1 m long in 0.64 s. What net force is acting on the mass along the incline? N
Monday, December 8, 2014 at 8:25am

physics
Two forces are applied to a car in an effort to accelerate it, as shown below. The first force, F1 = 400 N, is applied at an angle α = 32° to the forward dashed line. The second force, F2 = 536 N, is applied at an angle β = 10° to the forward dashed line. (a...
Monday, December 8, 2014 at 7:29am

Physics
In one of your rigorous workout sessions, you lost 140 g of water through evaporation. Assume that the amount of work done by your body was 3.8 105 J and that the heat required to evaporate the water came from your body. (a) Find the loss in internal energy of your body (due ...
Monday, December 8, 2014 at 2:20am

Physics
Suppose 0.015 kg of steam (at 100.00 °C) is added to 0.20 kg of water (initially at 14.0°C). The water is inside an aluminum cup of mass 40 g. The cup is inside a perfectly insulated calorimetry container that prevents heat exchange with the outside environment. Find ...
Monday, December 8, 2014 at 2:19am

Physics
When a 34-m-long metal pipe is heated from 13 °C to 39 °C, it lengthens by 2.56 cm. Determine the linear expansion coefficient. I tried to start by taking the difference of temperature times the length of the pipe and finally divide 2.56 by the number i got before but ...
Monday, December 8, 2014 at 1:57am

physics help!
The earth attracts a large flying bug toward its center with a force of 0.10 Newtons. With what force does the bug attract the earth itself? 1. 1.0 N 2. 0.10 N 3. Trillions of Newtons 4. 10 N 5. We need the mass of the bug. 6. Zero; the earth attracts the bug, not the ...
Monday, December 8, 2014 at 12:52am

physics
The sum of two forces, one having a magni- tude of 9 N acting due east and other having a magnitude of 4 N acting due north is
Monday, December 8, 2014 at 12:23am

physics
A 600 kg car is moving on a level road at 30 m/s. How large of a braking force is needed to stop it in a distance of 75m?
Monday, December 8, 2014 at 12:21am

physics
The earth attracts a large flying bug toward its center with a force of 0.10 Newtons. With what force does the bug attract the earth itself?
Monday, December 8, 2014 at 12:19am

physics
Two people, one twice as massive as the other, try to play tug of war on a nearly frictionless, level, icy surface. When they begin to tug, they are 12 m apart. They tug by pulling the rope hand over hand, until their hands meet along the rope. How far does the heavier person ...
Monday, December 8, 2014 at 12:16am

Physics
A block is at rest on an inclined plane. 63 kg µs = 0.47 èc Find the critical angle, èc, at which the block just begins to slide. Answer in units of ◦
Sunday, December 7, 2014 at 11:55pm

physics
A staging that weighs Wstaging supports a painter weighing 160 N. The reading on the left scale is 700 N and the reading on the right scale is 620 N. 700 N 620 N What is the weight of the staging? Answer in units of N
Sunday, December 7, 2014 at 11:33pm

Physics
A uniform rod pivoted at one end (point O) is free to swing in a vertical plane in a grav- itational field, held in equilibrium by a force F at its other end. The rod of length 7 m and weight 4.7 N makes an angle 39◦ with the hor- izontal and the force an angle of 54&#...
Sunday, December 7, 2014 at 11:21pm

Intro-Physics Help Please
A spaceship lands on a new planet. the crew decides to measure the speed of sound in the planets atmosphere. taking a tube with a length of 50 cm, they find that one resonant frequency occurs at 2,520 Hz, and the next resonant frequency at 2,940 hz. what is the speed of the ...
Sunday, December 7, 2014 at 11:15pm

physics
an object explode and a to 2 kilograms piece moves north at 4 m/s and a 4 kilograms piece moves East at 1.5 meters per second. What is the momentum of the third piece? What is the mass of the third piece if it moves at a speed of 4 meters per second?
Sunday, December 7, 2014 at 11:09pm

Physics
A block is at rest on an inclined plane. The mass is 44 kg. µs = 0.54 Find the critical angle, θc, at which the block just begins to slide. Answer in units of ◦
Sunday, December 7, 2014 at 8:40pm

physics
Two artifacts in a museum display are hung from vertical walls by very light wires. Wire T1 is horizontal from the left wall and goes to a center weight of 177N and wire T2 is at a 53 degree angle with the right wall heading from right to left downwards towards the center ...
Sunday, December 7, 2014 at 7:51pm

physics
What is the gravitational acceleration on a planet where a 2.0 kg mass has a weight of 16 N on the planet`s surface?
Sunday, December 7, 2014 at 7:49pm

Physics
A 7.68 m, 132 kg uniform ladder rests against a smooth wall. The coefficient of static fric- tion between the ladder and the ground is 0.642, and the ladder makes a 48.4◦ angle with the ground. How far up the ladder can a 528 kg person climb before the ladder begins to ...
Sunday, December 7, 2014 at 7:28pm

Physics
What air temperature will feel four times as warm as 0 °F?
Sunday, December 7, 2014 at 7:25pm

physics
An egg rolls off a kitchen counter and breaks as it hits the floor. The counter is 1.0 m high, the mass of the egg is about 50 g, and the time interval during the collision is about 0.010 s. How large is the impulse that the floor exerts on the egg? use equations of motion to ...
Sunday, December 7, 2014 at 6:47pm

Physics
A roller coaster goes 40-m along a section of track sloping 10 degrees below the horizontal, followed by a 13-m section sloping upward at 6 degrees, followed by an 26-m section of level track. Find the net displacement in m.
Sunday, December 7, 2014 at 5:27pm

physics
Two artifacts in a museum display are hung from vertical walls by very light wires. Wire T1 is horizontal from the left wall and goes to a center weight of 177N and wire T2 is at a 53 degree angle with the right wall heading from right to left downwards towards the center ...
Sunday, December 7, 2014 at 5:26pm

Physics
Electrons in an oscilloscope are deflected by two mutually perpendicular electric fields in such a way that at any time t the displacement is given by x = Acos(t), y=Acos(t+). Describe the path of the electrons and determine its ...
Sunday, December 7, 2014 at 4:09pm

Physics
A 4.0-kg block extends a spring 16 cm from its unstretched position. The block is removed and a 0.50-kg body is hung from the same spring. If the spring is then stretched and released, what is period of oscillation?
Sunday, December 7, 2014 at 4:08pm

Physics
A 1000-kg car has four 10-kg wheels. What fraction of the total kinetic energy of the car is due to rotation of the wheels? Assume that the wheels have the same rotational inertia as disks of the same mass and size. Explain why you do not need to know the radius of the wheels?
Sunday, December 7, 2014 at 4:05pm

Physics
A woman runs up a flight of stairs. The gain in her gravitational potential energy is 6500 J. If she runs up the stairs at half the speed, what is her gain in gravitational potential energy?
Sunday, December 7, 2014 at 2:46pm

Physics
. How much potential energy does the 2.5 kg rock sitting on an 18 –meter high cliff have?
Sunday, December 7, 2014 at 2:43pm

Physics
As part of a safety investigation, two 1200kg cars traveling at 24m/s are crashed into different barriers. Find the average force exerted on the car that hits a concrete barrier and takes 0.16s to stop.
Sunday, December 7, 2014 at 11:51am

physics
A contestant in a winter games event pushes a 41.0 kg block of ice in the positive direction across a frozen lake as shown in the Figure (a). The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03.
Sunday, December 7, 2014 at 11:38am

Physics
A spaceship of mass 2.0×106kg is cruising at a speed of 4.6×106m/s when the antimatter reactor fails, blowing the ship into three pieces. One section, having a mass of 5.2×105kg , is blown straight backward with a speed of 2.2×106m/s . A second piece, ...
Sunday, December 7, 2014 at 11:17am

Physics
A 24g ball of clay traveling east at 3.3m/s collides with a 33g ball of clay traveling north at 2.4m/s . 1a)What is the movement direction of the resulting 57g blob of clay? 1b)What is the speed of the resulting 57g blob of clay?
Sunday, December 7, 2014 at 11:15am

physics
: stand with one arm and side of one foot pressed agaonst a wall.can you raose the other leg side ways? if not,why not
Sunday, December 7, 2014 at 9:15am

physics
Define Newton's first law .
Sunday, December 7, 2014 at 8:40am

physics
Newton first law provides the measure of ???
Sunday, December 7, 2014 at 8:37am

physics
a metre ruler balances itself at 58 cm mark when a weight of 20 gf is suspended from one end. what is tge weight of the metre ruler?
Sunday, December 7, 2014 at 4:33am

Physics
A sign that weighs 670N is mounted at the end of a 2.00-m long rod of negligible weight. The supporting cable is connected at angle theta=30deg to the center of the rod. What is a) the tension T in the supporting cable, and b) the horizontal and vertical components of the ...
Sunday, December 7, 2014 at 12:36am

physics
A 265g mass attached to a horizontal spring oscillates at a frequency of 1.00Hz . At t =0s, the mass is at x= 4.20cm and has vx = − 1*.0cm/s. Determine the position at t= 3.60s. So I already found that... The period is 1.0000 s The angular frequency is 6.2832 rad/s The ...
Saturday, December 6, 2014 at 11:57pm

Physics
1) Planet Zero has a mass of 5.0*10^23 kg and a radius of 2.0*10^6 meters. What is the acceleration of gravity on planet zero? 2)Phobos, a satellite of Mars, has a radius of 11km and a mass of 10^16 kg. Its a bit lumpy, but let's assume its spherical to get a doable ...
Saturday, December 6, 2014 at 11:36pm

Physics
1) Determine the force of gravitational attraction between the earth(m=5.98*10^24kg) and a 70-kg physics student if the student is in an airplane at 4.950 meters above the earth's surface.
Saturday, December 6, 2014 at 11:32pm

Physics
A dart gun is aimed horizontally at the center of a large target 150 m away. The initial velocity of the dart is 450 m/s. (Ignore air resistance) a) Where does the dart strike the target (relative to the center of the target)? b) To hit the center of the target the dart must ...
Saturday, December 6, 2014 at 8:09pm

Physics
Two noises produce sound levels of 70 and 80 dB when acting separately. Find the sound level in dB when the sources act together.
Saturday, December 6, 2014 at 7:08pm

Physics Electric
The electric potential in a region is given by V(x,y,z) = -10.0x^2 + 20.0xyz + 6.0y^3 a) Find the electric field that produces this potential? b) Find the amount of charge contained within a cubic region in space 20 cm on a side and centered at the point (10.0 cm, 10.0 cm, 10....
Saturday, December 6, 2014 at 6:47pm

physics I
A spherical reservoir that contains 4.55 105 kg of water when full. (h = 7.70 m.) The reservoir is vented to the atmosphere at the top. For a full reservoir, find the gauge pressure that the water has at the faucet in each house. Ignore the diameter of the delivery pipes. (The...
Saturday, December 6, 2014 at 6:36pm

Physics
bobpursley, is answering questions on this all you do?
Saturday, December 6, 2014 at 4:19pm

Physics
The force required to stretch a spring varies directly with the amount the spring is stretched. A force of 29 pounds is needed to stretch a spring 39 inches. How much force is required to stretch the spring 27 inches? Answer in units of lb
Saturday, December 6, 2014 at 4:13pm

Physics
Two forces are applied to a car in an effort to accelerate it, as shown below. The first force, F1 = 400 N, is applied at an angle α = 32° to the forward dashed line. The second force, F2 = 536 N, is applied at an angle β = 10° to the forward dashed line. (a...
Saturday, December 6, 2014 at 4:06pm

PHYSICS : I NEED HELP PLEASE
a 33 kg lawnmower is pulled by a 100N force on flat ground. The handle makes a 10 degree angle with the ground. The coefficient of friction between grass and lawnmower wheels is 0.10. Calculate normal force, force of friction and acceleration
Saturday, December 6, 2014 at 3:18pm

Physics: need detailed answer
a 33 kg lawnmower is pulled by a 100N force on flat ground. The handle makes a 10 degree angle with the ground. The coefficient of friction between grass and lawnmower wheels is 0.10. Calculate normal force, force of friction and acceleration
Saturday, December 6, 2014 at 2:52pm

Physics
Two artifacts in a museum display are hung from vertical walls by very light wires. Wire T1 is horizontal from the left wall and goes to a center weight of 177N and wire T2 is at a 53 degree angle with the right wall heading from right to left downwards towards the center ...
Saturday, December 6, 2014 at 2:27pm

Physics
A student uses a 2.00-m-long steel string with a diameter of 0.90 mm for a standing wave experiment. The tension on the string is tweaked so that the second harmonic of this string vibrates at 22.0Hz . (ρsteel=7.8⋅103 kg/m3) If you wanted to increase the first ...
Saturday, December 6, 2014 at 12:46pm

physics
what impulse is needed to slow a 45kg object from 15m/s to 12m/s?
Saturday, December 6, 2014 at 12:23pm

physics
steven throws a 3.5kg ball at a speed of 25m/s. what is the momentum of the ball? Please show work
Saturday, December 6, 2014 at 12:09pm

physics
Assume all temperatures to be exact, and neglect significant figures for small changes in dimension. A diver releases an air bubble of volume 4.0cm3cm^3 from a depth of 16mm below the surface of a lake, where the temperature is 8.0∘C. What is the volume of the bubble ...
Saturday, December 6, 2014 at 10:59am

Physics
A vertical cylindrical tank contains 1.80 mol of an ideal gas under a pressure of 1.00 atm at 20.0oC. The round part of the tank has a radius of 10.0 cm, and the gas is supporting a piston that can move up and down in the cylinder without friction. (a) What is the mass of this...
Saturday, December 6, 2014 at 4:54am

Physics
A cylinder 1.00 m tall with inside diameter 0.120 m is used to hold propane gas (molar mass 44.1 g/mol). It is initially filled with gas until the gauge pressure is 1.30 x 106 Pa and the temperature is 22.0oC. The temperature of the gas remains constant as it is partially ...
Saturday, December 6, 2014 at 4:50am

physics
What is the magnetic force by infinite wire on on a loop in magnetic field ?
Saturday, December 6, 2014 at 1:42am

physics
A ship maneuvers to within 2.47×103 m of an island’s 1.76 × 103 m high mountain peak and fires a projectile at an enemy ship 6.13 × 102 m on the other side of the peak, as illustrated. The ship shoots the projectile with an initial velocity of 2.54×...
Saturday, December 6, 2014 at 1:27am

physics
how many significant digits are in the following measurement 2.546m
Friday, December 5, 2014 at 10:57pm

Physics Questions Help Please!
1) The lowest tone to resonate in an open pipe of length L is 1600 Hz. What is the frequency of the lowest tone that will resonate in a closed pipe of length 2L? a) 100 Hz b) 1.60 Hz c) 200 Hz d) 0.800 kHz 2) Which of the following does not increase as a sound becomes louder? ...
Friday, December 5, 2014 at 10:50pm

physics
how many significant digits are in the following 2,546m
Friday, December 5, 2014 at 10:48pm

Physics
A computer hard drive rotates at 5400 revolutions per minute. Starting from rest, what torque will get the hard drive up to that speed in just 150 revolutions? The moment of inertia of the hard drive is 1.3×10^-2 kg·m^2. I know the answer is 2.2 N.m, but I'm not...
Friday, December 5, 2014 at 10:26pm

physics
You want to set up a standing wave on a string that has a length of 3.7 m. You find that the lowest frequency that will work is 46 Hz. What is the speed of a wave on this string?
Friday, December 5, 2014 at 10:20pm

Physics
A projectile is shot straight up from the earth's surface at a speed of 1.20 x 104 km/hr. How high does it go?
Friday, December 5, 2014 at 8:15pm

Physics
A horse draws a sled horizontally on snow at constant speed. The horse can produce a power of 1.095 hp. The coefficient of friction between the sled and the snow is 0.115, and the mass of the sled, including the load, is 187.6 kg. What is the speed with which the sled moves ...
Friday, December 5, 2014 at 7:58pm

Physics
A car of mass 1335.0 kg is moving at a speed of 60.4 mph when it misses a curve in the road and hits a bridge piling. If the car comes to rest in 0.214 s, how much average power (in watts) is expended in this interval?
Friday, December 5, 2014 at 7:56pm

physics
A 92 kg clock initially at rest on a horizontal floor requires a 656 N horizontal force to set it in motion. After the clock is in motion, a horizontal force of 560 N keeps it moving with a constant speed.
Friday, December 5, 2014 at 5:23pm

physics
A girl coasts down a hill on a sled, reaching the bottom with a speed of 8.6 m/s. The coefficient of friction between the sled's runners and the snow is 0.050, and the girl and sled together weigh 670 N. How far does the sled travel on the surface before coming to rest?
Friday, December 5, 2014 at 4:54pm

Physics
Someone please help me! I've been stuck on this problem for a while now and i can't figure it out! A disk with mass m = 5.2 kg and radius R = 0.44 m hangs from a rope attached to the ceiling. The disk spins on its axis at a distance r = 1.59 m from the rope and at a ...
Friday, December 5, 2014 at 3:51pm

physics
Assume that the Grand Bahama Island lies at the origin of the coordinate system shown in the diagram at below. Vector represents the hurricane's displacement at 44.5 km/h and vector represents its displacement after it shifts course three hours later and proceeds at a ...
Friday, December 5, 2014 at 3:28pm

Physics circular motion
A speed skater goes into a turn with a 31 meter radius. The skater has a speed of 14 m/s and experiences a centripetal force of 460 n. What is the mass of the speed skater
Friday, December 5, 2014 at 11:46am

physics
Three blocks A, B, and C are connected by two massless strings passing over smooth pulleys as shown below, with the 3.4-kg block on a smooth horizontal surface. Calculate the tension in the strings connecting A and B, and, B and C.
Friday, December 5, 2014 at 11:26am

Physics
The brakes of a bike (with a person) having a mass of 63 kg, reduces it's velocity from 8.5 m/s to 0 m/s in 3.0 seconds. What is the magnitude of braking force?
Friday, December 5, 2014 at 11:08am

Physics
A solid cylinder of mass 20 kg rotates about its axis with angular speed of 100 rad/sec. the radius of the cylinder is 0.25m. what is the kinetic energy of the cylinder?
Friday, December 5, 2014 at 11:07am

Physics
super mouse steals a large piece of cheese by rolling it across the floor with a force of 5.0 N. If the cheese has a mass of 50 kg with what acceleration does the cheese move? If super mouse's force remains constant, what will be the speed of the rolling cheese
Friday, December 5, 2014 at 10:58am

Physics
A 1600 kg car traveling at 13.7 m/s to the south collides with a 4600 kg truck that is initially at rest at a stoplight. The car and truck stick together and move together after the collision. What is the final velocity of the two-vehicle mass? Assume that North is positive. ...
Friday, December 5, 2014 at 9:04am

Physics
What is the force of attraction between an 8 kg bowling ball and a 13 kg cannon ball that are sitting 2 meters apart?
Friday, December 5, 2014 at 8:13am

physics
Sound is passing perpendicularly through an open window whose dimensions are 1.1 m x 0.75 m. The sound intensity level is 71 dB above the threshold of human hearing. How much sound energy comes through the window in one hour?
Friday, December 5, 2014 at 7:05am

physics
A man stands at the midpoint between two speakers that are broadcasting an amplified static hiss uniformly in all directions. The speakers are 28.0 m apart and the total power of the sound coming from each speaker is 0.602 W. Find the total sound intensity the man hears when (...
Friday, December 5, 2014 at 7:04am

physics
When an earthquake occurs, two types of sound waves are generated and travel through the earth. The primary, or P, wave has a speed of about 8.0 km/s and the secondary, or S, wave has a speed of about 4.5 km/s. A seismograph, located some distance away, records the arrival of ...
Friday, December 5, 2014 at 7:04am

physics
A jetskier is moving at 8.9 m/s in the direction in which the waves on a lake are moving. Each time he passes over a crest, he feels a bump. The bumping frequency is 1.15 Hz, and the crests are separated by 5.8 m. What is the wave speed?
Friday, December 5, 2014 at 7:03am

physics
The speed of a transverse wave on a string is 457 m/s, while the wavelength is 0.228 m. The amplitude of the wave is 2.05 mm. How much time is required for a particle of the string to move through a total distance of 1.34 km?
Friday, December 5, 2014 at 6:57am

physics
A roller coaster, loaded with passenger has a mass of 2000 kg; the radius of curvature of the track at the bottom point of the dip is 24 m. If the vehicle has a speed of 18m/s at this point, what force is exerted on the vehicle by the track? (g = 9.8 m/s2)
Friday, December 5, 2014 at 1:02am

Physics
An object is placed 5 cm in front of a concave lens of focal length 7 cm. Find the image location by drawing a ray tracing diagram to scale. Verify your answer using the lens equation. I am confused on what numbers would be negative in my formula of 1/f=1/v+1/u.
Friday, December 5, 2014 at 12:13am

physics
An object is placed 8 cm in front of a convex lens of focal length 6 cm. Find the image location by drawing a ray tracing diagram to scale. Verify your answer using the lens equation
Thursday, December 4, 2014 at 11:49pm

physics
Two lifeguards pull on ropes attached to a raft. If they pull in the same direction, the raft experiences a net external force of 376 N to the right. If they pull in opposite directions, the raft experiences a net external force of 162 N to the left. Draw a free body diagram ...
Thursday, December 4, 2014 at 11:35pm

physics
Due to a tune-up, the efficiency of an automobile engine increases by 4.00%. For an input heat of 1530 J, how much more work does the engine produce after the tune-up than before?
Thursday, December 4, 2014 at 11:35pm

physics
According to the manual of a certain car, a maximum torque of magnitude 76.0 N · m should be applied when tightening the lug nuts on the vehicle. If you use a wrench of length 0.276 m and you apply the force at the end of the wrench at an angle of 75.00° with ...
Thursday, December 4, 2014 at 11:22pm

physics help PLZ!!
What is the direction of the net external force on the crate (as an angle between −180◦ and 180◦ , measured from the positive x axis with counterclockwise positive)? Answer in units of ◦ Ive solved for the net external force in the x and y direction. Fx...
Thursday, December 4, 2014 at 11:21pm

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>

Post a New Question | Current Questions

Homework Help: Science

Search
Members