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July 25, 2014

Search: Calculus - free body diagram

Number of results: 21,906

physics
A person throws a 2.50 lb stone into the air with an initial upward speed of 15.0 ft/s. Part A- Make a free-body diagram of the forces for this stone after it is free of the person's hand and is traveling upward Part B - Make a free-body diagram of the forces for this stone at...
February 2, 2012 by sam

Physics
Ok I guess the reason why I do not know how to do this problem is because I can not draw the proper free-body diagram... Three blocks on a frictionless horizontal surface are in contact with each other as shown in Fig. 4-5. A force F is applied to block 1 (mass m1). (a) Draw a...
July 12, 2009 by Physics

physics
A uniform 250 N ladder rests against a perfectly smooth wall, making a 35 degree angle with the wall. (a)Draw a free body diagram of the ladder. (b) Find the normal forces that the wall and the floor exert on the ladder. (c) What is the friction force on the ladder at the ...
November 9, 2009 by collegekid

free-body diagram help
A 20.0 kg block is being pushed forward on a flat surface with a force of magnitude 45.0 N against a frictional force of 13.0 N To draw this free-body diagram, would I only have the forces mentioned in the question? or would i include the -9.8m/s^2 force of gravity? Also, how ...
April 13, 2014 by Liz

Physics
You are going to toss a rock straight up into the air by placing it on the palm of your hand(you are not gripping it) then pushing your hand up very rapidly. Draw a free body a diagram for the rock for each situation, and write the sum of equation based on the free body ...
February 17, 2014 by George

PHYSICS
#1.) If the force of gravity on a human is 539 N determine the mass of the human. #2.) Draw a free body diagram for the following situation: a.) A 0.15 kg running shoe is pushed to the right, with a constant velocity, across a wet concrete floor with an applied force of 3.5 N...
February 3, 2013 by AMANDAAA

physics
Pleaseee help explain how to draw the free body diagrams for this problem!!! Two blocks with masses m1 = 10.9 kg and m2 = 79.3 kg, shown in the figure (in the figure the 79.3kg block(m2) is on a flat surface, the 10.9kg(m1) block is pinned against the block with the greater ...
November 9, 2011 by dave

PHYSICS
Two crates , one with mass 4.00 kg and the other with 6.00 kg, sit on the frictionless surface of a frozen pond, connected by a light rope. Awoman wearing golf shoes(so she can get traction on the ice)pulls horizontally on the 6.00-kg crate with a force F that gives the crate ...
March 4, 2012 by evelyn

Physics
I've asked a similar qustion earlier and now I think I have drawn the correct free body diagram and go about solving the problem. The only thing is I do not know how to solve it. a block (mass m1) on a smooth horizontal surface, connected by a thin cord that passes over a ...
July 14, 2009 by Physics

Physics
An astronaut is inside a rocket that is blasting off vertically from the launch pad. You want this rocket to reach the speed of sound (331 m/s) as quickly as possible, but you also do not want the astronaut to black out. Medical tests have shown that astronauts are in danger ...
February 22, 2012 by Jen

physics
a 70 kg box is pulled by a rope that exerts a 400 N force at angle of 30 degrees to the horizontal the leading coefficient of kinetic friction id 0.50. draw a diagram. draw a free body diagram . find the acceleration of the box.
November 13, 2012 by tionne

physical
A crate of mass 20kg is pulled by a force of 100N at an angle 30 above the horizon an friction force of 20N develops between the crate and surface draw a force diagram and free body diagram
January 25, 2012 by Clothilda

physics
A 65 kg skier speeds down a trail, as shown in Figure 5-24. The surface is smooth and inclined at an angle of θ = 20° with the horizontal. (a) Draw a free-body diagram for the skier. (Do this on paper. Your instructor may ask you to turn in this diagram.) (b) Determine ...
January 13, 2010 by amy

physics
a free body diagram of a boy sliding down a hill on a sled
November 9, 2010 by kayla

mechanics
Q2. A block of massmrests on the left edge of a block of larger massM. The coefficient of kinetic friction between the two blocks is , and the surface on which the larger block rests is frictionless. A constant horizontal force of magnitude F is applied to the block of mass m...
December 9, 2010 by sana

PHYSICS!!
free body diagram of a 4 kg bucket accelerating downward 2 meters per second squared
March 14, 2011 by chrissy

Calculus - free body diagram
A water tank has the shape of an inverted right circular cone whose base radius is equal to half its height. Water is being pumped in at 2 cubic meters per second. How fast is the water rising when the water is 3 meters deep?
October 7, 2012 by Lizzy

PHYSICS Gr.11
i am completely confued :( what are balanced and unbalanced forces? How can u tell by looking at a free body diagram and/or a problem? thanks
April 10, 2010 by NINI

physics
a hockey puck is sliding freely across a pound of friction ice. What is the free-body diagram?
September 21, 2011 by adilene

Physics
A = 145 rock is hoisted upward with an acceleration of 1.46 by a vertical chain of negligible weight. What is the free body diagram?
February 13, 2012 by Ruth

PHYSICS HELP!!
3.) Draw a free body diagram of a boat being pulled at an accelerated rated by a truck down a highway.
February 5, 2013 by AMANDA

Physic
The free-body diagram in the drawing shows the forces that act on a thin rod. The three forces are drawn to scale and lie in the plane of the screen. Are these forces sufficient to keep the rod in equilibrium, or are additional forces necessary f3 ' ' ' f1 ------>---rod...
May 7, 2007 by Panda

Check my answers 6 ?s- Physics
What is a free body diagram? (Points : 1) a drawing of an object in free fall a diagram showing all the forces acting on an object but not its surroundings <-- a diagram showing the shape of an object and the forces that act on it a diagram of an object that is free to ...
November 19, 2013 by Gianna

Science (Physics)...........F=ma and tension.
2 crates shown in the figure below are on a horizontal frictionless surface. The woman is wearing golf shoes for traction as she applies a horizontal force of F= 50.0 N to the 6.00kg crate. The ropes are of negligible mass. Smaller box weighs 4.00kg a) draw a free body diagram...
September 29, 2007 by ~christina~

Science
i posted this earlier, but no one answered. so i'll try again. Can you check my work please? true/false 1.) force is a scalar quantity: *FALSE 2.) the object on which a force acts is called the system: *TRUE 3.)The specific, indentifiable cause of a force is called the system...
December 11, 2012 by Gavin

Physics
Three objects are connected on an inclined table as shown in the diagram below. The objects have masses 8.0 kg, 4.0 kg and 2.0 kg as shown, and the pulleys are frictionless. The tabletop is rough, with a coefficient of kinetic friction of 0.47, and makes an angle of 20.0° with...
May 18, 2013 by Joeline

Physics-please check my work
Can you check my work please? true/false 1.) force is a scalar quantity: *FALSE 2.) the object on which a force acts is called the system: *TRUE 3.)The specific, indentifiable cause of a force is called the system: *FALSE 4.) A force can not exist without an agent and a system...
December 11, 2012 by Gavin

physics
The curves on a race track are banked to make it easier for cars to go around the curves at high speed. Draw a free-body diagram of a car on a banked curve. From the motion diagram, find the direction of the acceleration. (a) What exerts the force in the direction of the ...
November 30, 2010 by max

physics
The curves on a race track are banked to make it easier for cars to go around the curves at high speed. Draw a free-body diagram of a car on a banked curve. From the motion diagram, find the direction of the acceleration (a) What exerts the force in the direction of the ...
November 30, 2010 by max

Calculus: free body diagram--PLZ HELP!=)
Grain is being poured through a chute at a rate of 8 cubic feet per minute and forms a conical pile. The radius of the bottom of the pile is always half of the heightof the pile. How fast is the circumference of the base increasing when the pile is 10 feet high? ..I keep ...
October 8, 2012 by lizzy

11th grade
The curves on a race track are banked to make it easier for cars to go around the curves at high speed. Draw a free-body diagram of a car on a banked curve. From the motion diagram, find the direction of the acceleration (a) What exerts the force in the direction of the ...
November 30, 2010 by max

Physics
A crystal chandelier hangs in a fancy ballroom. Draw a free body diagram for the chandelier, including all vertical forcs affecting it. Please help :)
February 4, 2012 by Tracy

physics
A box of box is at rest on the floor. Identify the forces acting on the box by drawing a free-body diagram.
October 4, 2011 by yvone.

Physics
Three blocks on a frictionless horizontal surface are in contact with each other, as shown below. A force F is applied to block A (mass mA). (a) Draw a free-body diagram for each block. Determine (b) the acceleration of the system (in terms of mA, mB, mC), (c) the net force on...
October 22, 2010 by Anonymous

physics
A person throws a 2.5 lb stone into the air with an initial upward speed of 15 ft/s. Make a free-body diagram for this stone (a) after it is free of the person’s hand and is traveling upward, (b) at its highest point, (c) when it is traveling down ward, and (d) while it is ...
February 1, 2012 by joe

Physics
A chain composed of four identical links is suspended by a rope and does not move. How many force vectors would be drawn on the free body diagram of each link and which direction would they point?
September 21, 2010 by Ignatius

Physics
Hello. I'm having difficulty with this question In the diagram, the coefficient of kinetic friction between the 2.00 kg and the 3.00 kg blocks is 0.300. The horizontal surface and the pulleys are frictionless, and the masses are released from rest. (a) Draw a free body diagram...
October 20, 2012 by Priya

physics
An amusement park ride consists of a large vertical cylinder that spins about Figure P6.61 its axis fast enough such that any person inside is held up against the wall persons who walk around on the inner wall of the outer rim. Find the rate of rotation of the wheel (in ...
October 1, 2011 by Anonymous

science
Draw a free body diagram to show the relationship of forces on a 200 kg boulder resting on a 15degree incline. Include the magnitude of the force applied by an aadvark as it holds the boulder in place.
May 3, 2012 by mona

Physics
Three blocks on a frictionless horizontal surface are in contact with each other A force F is applied to block 1 (m1) Draw a free body diagram for each block ok for the diagram is the force F applied horizontal to mass one does this force act on m2 all the blocks are lines up ...
July 11, 2009 by Physics

Physics
Continue...previous question b)what normal force would the car experience on the top of a circular hill of radius 20.0m when it reaches the near horizontal section of the vertical curve with a speed of 12.0 m/s ? Draw app. free body diagram.
October 29, 2007 by johnny

Physics
I got two questions Three blocks on a fricitonless horizontal surface are in contact with each other a force F is applied to block 1 mass m1 Draw a free body diagram for each block ok done the accelration of the system (in terms of m1, m2, and m3) ok done I got a = (m1 + m2 + ...
July 12, 2009 by Physics

physics
A passenger with mass of 80 kg stands on the floor of an elevator of mass 250 kg as it accelerates upward with an acceleration of 3 m/s^2. Determine the tension in the elevator cable. Draw a free-body diagram.
September 30, 2011 by hello

FREE BODY DIAGRAM calculus
A car is traveling north towards an intersection at 60mph at the same time a truck is headed east toward the same intersection at 45mph. Find the rate of change of the distance between the car and truck when the car is 3 miles south of the intersection and the truck is 4 miles...
October 7, 2012 by erica

Physics
Measuring coefficients of friction. A coin is placed near one edge of a book lying on a table, and that edge of the book is lifted until the coin just slips down the incline. The angle of the incline Theta C, called the critical angle, is measured. (a) Draw a free body diagram...
September 27, 2009 by Mandy

Physics
A box is being moved with a velocity (v) by a force (p)(parallel to v) along a level horizontal floor. The normal force is (Fn), the kinetic frictional force is (fk), and the weight of the is box is (mg). Draw a free-body diagram of this situation
February 13, 2012 by Amy

physics
An object of weight 50 N is suspended vertically by two strings. The strings are of the same lenght and the angle between them is 60 degree. Draw a free body diagram of the forces acting on the object. Calculate the tension in the strings.
March 15, 2014 by waslat

Engineering Fund.
A large box whose mass is 19.0 kg rests on a frictionless floor. A mover pushes on the box with a force of 235 N at an angle 34.8° below the horizontal. Draw the box's free-body diagram and use it to determine the acceleration of the box. m/s2
October 4, 2012 by josephz

physics
A train travels at a constant speed around a curve of radius 225 m. A ceiling lamp at the end of a light cord swings out to an angle of 20.0º throughout the turn. Draw a free body diagram? What is the speed of the train?
November 20, 2012 by Courtney

Physics
When a patient’s injured neck is healing, it is often desirable to prevent the weight of the head from pushing down on the neck. This can be accomplished with the system of pulleys shown in the figure. The pulleys are all small and extremely light in weight and have no ...
February 23, 2011 by Carl

physics
Find the coefficient of static and kinetic friction of a block on a table surface. The mass of the weight is 200g and with the friction block overall the mass is 0.3 kg. With a spring scale we found Fs to be 1N and Fk to be 0.8N. Draw free body diagram.
January 28, 2013 by Mary

physics
The 850 kg piano is being pushed across the floor with an applied force of 283 N [forward] and a force of friction of 271 N [backwards]. If the normal force balances the force of gravity, draw a free body diagram for the piano.
October 13, 2013 by iyzi

Physics
Find the force of tension in the chain. Determine the force of compression in the support bar. Be sure to include a free body diagram as part of your solution. Now the only information given is a mass=20.4 kg and the angle 22 degrees. If anyone could help me with this question...
March 13, 2012 by Dani

Electronic
If one body is positively charged and another body is negatively charged, will the free electrons tend to move from the negatively charged body to the positiovely charged body? yes
September 27, 2006 by Ed

Physics grade 12
Find the force of tension in the chain. Determine the force of compression in the support bar. Be sure to include a free body diagram as part of your solution. Now the only information given is a mass=20.4 kg and the angle 22 degrees. If anyone could help me with this question...
March 14, 2012 by anonymous

Physics
A skier of mass 66 kg skis straight down a 11° slope at constant velocity. Draw a free-body diagram of the skier with the various external forces acting on her. Include the force of air resistance, which is directed opposite the velocity. (Do this on paper. Your instructor ...
March 16, 2013 by Help

physics
The free-body diagram in the drawing shows the forces that act on a thin rod. The three forces are drawn to scale and lie in the plane of the screen. Are these forces sufficient to keep the rod in equilibrium, or are additional forces necessary I assume this is what I just ...
May 7, 2007 by Panda

calculus
Suppose that the velocity of a falling body is v = k/s (k a constant) at the instant the body has fallen s meters from its starting point. Find the body's acceleration as a function of s.
July 4, 2010 by theophilus

English
I'm having trouble diagramming sentences. How do you diagram an object complement? Ex. The stories made them proud of their achievements. Proud is an object complement, right? I can't figure out how to diagram it. Also, how do you diagram things when you have three or more ...
December 12, 2007 by Joe

Physics
A model rock is shot into the air. Once it starts to fall a parachute is deployed. Draw a free body diagram of the rocket with the parachute deployed ok well there is gravity does the parachute exert a force upward? onto what? what do i call this force?
August 28, 2009 by Physics

Ap physics
A person pushes a 15.0 kg lawn mower at constant speed with a force of 77.0 N directed along the handle, which is at an angle of θ = 49.0° to the horizontal . (a) Draw the free-body diagram showing all forces acting on the mower. (Do this on paper. Your instructor may ask...
September 10, 2010 by rayray

physics
Three blocks on a frictionless horizontal surface are in contact with each other. A force F is applied to block A and the blocks start to slide to the right of their initial position. Determine the acceleration of the system, if m_A = 12 kg, m_B = 38 kg, m_C = 4700 g, and F = ...
February 21, 2014 by sean

Physics
2.- A 2inx4inx8ft is leaning against the wall, draw afree-body diagram of forces on it. Give an expression throughdetailed steps using the diagram what would be the minimum angle ofthe wooden bar with the floor so it won’t slide.
June 11, 2013 by Chi-Chi

engineering
Using mechanics of materials principles, (i.e. equations of mechanical equilibrium applied to a free-body diagram), derive the following equations: s’ = s cos2q = s[(1+ cos 2q) / 2] t' = s sinq cosq = s [sin 2q / 2] s=sigma, q=theta, t=tau I have looked in "Theory of ...
October 18, 2010 by Bob

physical science
6. If one body is positively charged and another body is negatively charged, free electrons tend to [A. move from the negatively charged body to the positively charged body.] B. remain in the positively charged body. C. remain in the negatively charged body. D. move from the ...
March 6, 2012 by jake

physics
Some sliding rocks approach the base of a hill with a speed of 18.0 . The hill rises at 41.0 above the horizontal and has coefficients of kinetic and static friction of 0.420 and 0.570, respectively, with these rocks. Start each part of your solution to this problem with a ...
October 2, 2012 by Anonymous

physics
A bucket of water has a weight of 40N.A man lifts the bucket up by applying an upward force of 20N .At the same time a child pulls the bucket along the ground with a horizontal force of 10N.draw a free-body diagram showing all the forces exerted on the bucket
January 18, 2014 by mbiza masingita

physics
A nurse pushes a cart by exerting a force on the handle at a downward angle 35.0º below the horizontal. The loaded cart has a mass of 28.0 kg, and the force of friction is 60.0 N. (a) Draw a free-body diagram for the system of interest. (b) What force must the nurse exert to ...
September 18, 2012 by John

PHYSICS HELP!!
#2.) Draw a free body diagram for the following situation: a.) A 0.15 kg running shoe is pushed to the right, with a constant velocity, across a wet concrete floor with an applied force of 3.5 N. b.) Calculate the normal force exerted by the concrete onto the running shoe.
February 5, 2013 by AMANDA

physics
A sign that has a mass of 10.0kg is suspended by two wires, as shown below. (wire 1 is at a 40 degreee angle with the sign, wire 2 is at no angle) Determine the force exerted by each wire in supporting the sign. \in cluse a free-body diagram as part of your response.
October 7, 2011 by ANdrea

physics
a block(500N) is being pulled along a surface having coefficients of kinetic and staic friction of 0.45 and 0.5 respectively..draw a free body diagram of the block and find the minimum force that can be applied to the block at an angle 15¢X below the surface to keep the block ...
December 5, 2011 by Anonymous

physics
a child causes a wagon to accelerate by pulling it with a horizontal force. newton's third law says that the wagon exerts an equal and opposite force on the child. how can the wagon accelerate? (hint: draw a free-body diagram for each object.)
November 2, 2009 by billy

Physics
A massless spring with spring constant 17.1 N/m hangs vertically. A body of mass 0.210 kg is attached to its free end and then released. Assume that the spring was unstretched before the body was released. How far below the initial position does the body descend?
April 25, 2013 by Anonymous

physics
I'm trying to rearange this equation for Mu s That is the greek letter Mu subscript s... the static coeficent of friction m2 = m1 sin theta - Mu s m1 cos theta ok I got this Mu s = -((m1 cos theta)^-1 (m2 - m1 sin theta)) ok I know that sin over cosine is tangent but I cant ...
July 30, 2009 by physics

Physics
An 11,000 N test car travels 44.5 m before stopping from an initial speed of 28.7 m/s on dry horizontal pavement with its wheels locked. (a) make a free body diagram of this car while its slowing down. (b) what external force causes it to slow down. (c) Assuming constant ...
October 6, 2009 by SaraH

physics
An 9000 test car travels 40.5 before stopping from an initial speed of 25.7 on dry horizontal pavement with its wheels locked. a)Make a free-body diagram of this car while it is slowing down. b) What external force causes it to slow down? c)Assuming constant acceleration, find...
February 6, 2013 by Leewillikers

physics
A massless spring with spring constant 16.7 N/m hangs vertically. A body of mass 0.220 kg is attached to its free end and then released. Assume that the spring was unstretched before the body was released. How far below the initial position does the body descend? please show ...
May 4, 2011 by Joan

Electricity and Electronics
If one body is positively charged and another body is negatively charged, free electrons tend to A. move from the negatively charged body to the postively charged body. B. move from the postively charged body to the negatively charged body. C. remain in the negatively charged ...
August 22, 2012 by Mikaela

Physics
A cubic meter of some material has a mass of 6400 kg. The block of material is lowered into a lake by a strong cable until the block is completely submerged. Draw a free-body diagram for the block. (Do this on paper. Your instructor may ask you to turn in your work.) Find the ...
March 31, 2014 by Tyler

Physics help
A skier approaches the base of an icy hill with a speed of 11.6 m/s. The hill slopes upward at 24° above the horizontal. Ignoring all friction forces, find the acceleration of this skier (a) when she is going up the hill, (b) when she has reached her highest point, and (c) ...
February 4, 2012 by Ann

College Physics
As part of an exercise program, a 75 kg person does toe raises in which he raises his entire body weight on the ball of one foot. The Achilles tendon pulls straight upward on the heel bone of his foot. This tendon is 25 cm long and has a cross sectional area of 78 mm^2 and a ...
October 26, 2007 by Jen

Physic
a steel ball dropped from a helicopter, and after 4s its acceleration is 8m/s. with freefall given iirs physics definition, the body A. Definitely not free falling B. is likely free falling but there's insufficient information given C. It's not likely free falling
June 16, 2013 by Amy

physics
A force of 8.7 N is applied to a steel block initally at rest on a horizontal frictionless surface. The force, which is directed at an angle of 30.0o below the horizontal, gives the block a horizontal acceleration of 5.3 m/s2. a) Draw a free body diagram and sum forces. b) ...
October 6, 2011 by Kayla L

physics
Problem 2: A body A of mass m = 1Kg and a body B of mass M = 4Kg are interconnected by a spring as shown in figure below. The body A performs free vertical harmonic oscillation with amplitude a = 1.6 cm and frequency ω= 25/s. Neglecting the mass of spring, find the ...
October 22, 2011 by nino

Physics
Problem 3- Blocks A, B, and C are connected by ropes and placed as in the figure. Both A and B weigh 22.6 N each, and the coefficient of kinetic friction between each block and the surface is 0.40. Block C descends with constant velocity. a) Draw free-body diagram of objects A...
November 18, 2013 by Maryam

physics- multiple choice
1. Two forces are applied to a box on a frictionless surface. One force is 40 N [S]. The second force is 70 N [N30ºW]. What is the overall net force? a) 40.6 N [S59.5ºE] b) 110 N c) 40.6 N [N59.5ºW] d) 40.6 N [S30.5ºW] 2. When drawing free body diagrapms, it is important to: a...
December 12, 2013 by Jessie

physics
A 220 N crate is pushed along the ground with a horizontal force. The coefficient of kinetic friction is 0.21 and the coefficient of static friction is 0.31. The crate moves at a constant speed of 4.1 m/s. a) Draw a free-body diagram for the crate. b) What is the size of the ...
November 15, 2011 by Kelsey

phy
1. A Uniform rod AB 3m long weighing 3 Kg is held horizontally by two strong vertical strings at its ends. A weight of 7 kg is hanging on the rod at a distance of 1m from end A and another weight of 12 Kg is hanging at 0.5 m from end B.(a)Make the free body diagram of the rod ...
August 24, 2010 by shiva

physics
Crate on a conveyor belt..? A 11 kg crate is placed on a horizontal conveyor belt. The materials are such that u s = 0.55 and u k =0.26. What is the maximum acceleration the belt can have without the crate slipping? How would you draw a free body diagram of the forces acting ...
September 10, 2010 by nene

physics
Consider a 1kg mass at rest at the equator.Because of the earths rotation , the mass experiences a centripetal acceleration. a)Draw free body diagram of mass b)Find centripetal force acting in the mass c)Compare apparent weight and true weight d)what fictitious force would the...
February 24, 2011 by Sandra

Calc-Based Physics
The distance between two telephone poles is 50.0 m. When a 1.00-kg bird lands on the telephone wire midway between the poles, the wire sags 0.200 m. Draw a free-body diagram of the bird. How much tension does the bird produce in the wire? Ignore the weight of the wire. What do...
October 26, 2007 by Sean

Calculus
So I have a math problem that says that a free-falling body near the surface of the earth accelerates downward at a constant of 32 ft/sec^2. so for the graph a(t) it would just be a straight line across 32 no matter what time, or in other words a(t)=32. since v'(t)=a(t) ...
November 29, 2007 by Jessica

physics
The distance between two telephone poles is 59.0 m. When a 1.00 kg bird lands on the telephone wire midway between the poles, the wire sags 0.200 m. draw a free-body diagram of the bird. (do this on paper. your instructor may ask you to turn in this work.) how much tension ...
December 7, 2011 by ann

Physics
The distance between two telephone poles is 58.0 m. When a 1.00-kg bird lands on the telephone wire midway between the poles, the wire sags 0.240 m. Draw a free-body diagram of the bird. (Do this on paper. Your instructor may ask you to turn in this work.) How much tension ...
May 3, 2013 by Abdullahi A.

physics
A horse pulls upon a wagon, but according to Newton’s third law the wagon pulls back with an equal and opposite force upon the horse. Use a free-body diagram and show all the involved forces. i posted this question before but i still dont get it. Could someone explain what ...
July 17, 2012 by Alex

Physics
A child on a toboggan slides down a hill with an acceleration of magnitude 1.5 m/s^2. If friction is negligible, what is the angle between the hill and the horizontal? --- I don't even know how to get started on this question. Well, I first drew the free body diagram of the ...
March 8, 2009 by Lucy X

Physics
A wooden plank with length L = 7.5 m and mass M = 104 kg is centered on a granite cube with side S = 2.0 m. A person of mass m = 64 kg begins walking from the center of the plank outward, as shown in the figure. How far from the center of the plank does the person get before ...
June 22, 2012 by Annabelle

math
Looking at a basketball court diagram. The shaded area is the free throw lane and the arc that is attached to the lane only. Find the shaded part of this diagram. The foul line is 15 ft from the basket which is 4 ft from the end line. The lane is 12 ft wide. I am not sure I ...
January 5, 2011 by m

Math
Each diagram in a sequence of 3 diagrams is obtained by drawing a 1 unit square on each side that forms the perimeter of the previous diagram, for example Diagram 2 is obtained by drawing a 1 unit square of the four sides of Diagram 1(on graph paper).Diagram 1 contains one ...
June 18, 2009 by Brittany

Physics
The free-body diagram in the drawing shows the forces that act on a thin rod. The three forces are drawn to scale and lie in the plane of the screen. Are these forces sufficient to keep the rod in equilibrium, or are additional forces necessary f3 ' ' ' f1 ------>---rod...
May 7, 2007 by Papito

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