Wednesday

October 26, 2016
**Physics**

A car traveling in a straight line has a velocity of 3.7 m/s at some instant. After 7.99 s, its velocity is 12.2 m/s. What is its average acceleration in this time interval? Answer in units of m/s 2

*Tuesday, September 20, 2016 by Ari*

**Physics**

Initially (at time t = 0) a particle is moving vertically at 7.2 m/s and horizontally at 0 m/s. Its horizontal acceleration is 1.3 m/s 2 . At what time will the particle be traveling at 59◦ with respect to the horizontal? The acceleration due to gravity is 9.8 m/s 2 . ...

*Tuesday, September 20, 2016 by Nicole*

**Physics**

A car accelerates uniformly in a straight line from rest at the rate of 3.6 m/s2 . What is the speed of the car after it has traveled 61 m? Answer in units of m/s

*Tuesday, September 20, 2016 by Ari*

**AP physics **

Galileo carried out his seminal free-fall experiment using and incline plane. Why is such and approach feasible,and sometimes preferable to the simple drop meathod, for determining g?

*Tuesday, September 20, 2016 by Susana *

**physics**

A person takes a trip, driving with a constant speed of 99.5 km/h, except for a 24.0-min rest stop. The person's average speed is 66.4 km/h. how far does the person travel?

*Tuesday, September 20, 2016 by keana dallas*

**Physics**

If a subway train is moving to the left (has a negative velocity) and then comes to a stop, what is the direction of its acceleration? Is the acceleration positive or negative?

*Tuesday, September 20, 2016 by Haaris*

**Physics**

A=vf-vi÷t

*Tuesday, September 20, 2016 by Messiah*

**Physics**

A ball is rolling on a table with a horizontal velocity of 5 m/s when it rolls off the edge. How far from the base of the table does the ball land in the table is 0.8 m tall?

*Tuesday, September 20, 2016 by Ryan*

**physics**

Two particles A and B of respective masses M(B) and M(A) are connected together by means of an inextensible string of negligible mass. The string passes over the groove of a pulley of negligible mass. At instant to=0 the system S(pulley,mass,string) is left without initial ...

*Tuesday, September 20, 2016 by vicky*

**physics**

A particle C can move along a slide placed in a vertical plane. Points A and B are at the same horizontal level. Determine with respect to B the point where the velocity of C is zero for the first time in the three following cases: a) C is released from A without initial ...

*Tuesday, September 20, 2016 by vicky*

**Physics **

A Dare daredevil wants to jump his motorcycle across a 50 m Canyon a) If his speed is 30m/s and a ramp angle is 50 degrees where should the landing ramp be placed? b) With the same ramp what initial speed should he have if the landing ramp is 10 m from the far edge

*Monday, September 19, 2016 by Vanessa*

**Physics**

A woman stands on a bathroom scale in a motionless elevator. When the elevator begins to move, the scale briefly reads only 0.70 of her regular weight. 1).Calculate the magnitude of the acceleration of the elevator. Express your answer to two significant figures and include ...

*Monday, September 19, 2016 by Alex*

**physics**

As two trains move along a track, their conductors suddenly notice that they are headed toward each other. The figure gives their velocities v as functions of time t as the conductors slow the trains. The figure's vertical scaling is set by vs = 40.0 m/s. The slowing ...

*Monday, September 19, 2016 by fotran God*

**physics**

A car accelerates uniformly in a straight line from rest at the rate of 3.9 m/s2 . What is the speed of the car after it has traveled 56 m? Answer in units of m/s.

*Monday, September 19, 2016 by haven*

**physics**

A flowerpot falls from a window sill 27.7 m above the sidewalk. What is the velocity of the flowerpot when it strikes the ground? The acceleration of gravity is 9.81 m/s 2 . Answer in units of m/s.

*Monday, September 19, 2016 by haven*

**physics**

An electric vehicle starts from rest and accelerates at a rate of 2.3 m/s2 in a straight line until it reaches a speed of 24 m/s. The vehicle then slows at a constant rate of 1.5 m/s2 until it stops. (a) How much time elapses from start to stop? (b) How far does the vehicle ...

*Monday, September 19, 2016 by fotran God*

**Physics**

A ball thrown horizontally from a point 26.0 m above the ground strikes the ground after travelling a horizontal distance of 23.0 m. With what speed was it thrown? Which equation should I use? V= DeltaX / Delta T A= Delta V / Delta T Horizontal motion where X= Xo + Vx(T)

*Monday, September 19, 2016 by Bex*

**Physics**

Sam and Terry find a 30.0 m deep wishing well and decide to make a wish. Terry throws a penny down the well at 3.00 m/s and Sam throws a penny up in the air at the same speed. If they threw them at the same time, how much time would there be between splashes?

*Monday, September 19, 2016 by Fred*

**Physics**

Joseph drives his car 10 km [E20 °S] then 25 km[N]. What is his total displacement?

*Monday, September 19, 2016 by Kinematics*

**Physics**

Tiffany throws a ball with a velocity of 5 m/s. As soon as it leaves her hand, the ball makes an angle of 30 ° with the ground. What are the x and y components of the velocity of the ball?

*Monday, September 19, 2016 by Kinematics*

**physics**

A capacitor with a capacitance of C = 25.7 μF is slowly charged by a constant current of I = 45.7 nA. How long does it take to charge the capacitor to a voltage of V = 29.4 V?

*Monday, September 19, 2016 by andrea*

**physics**

Two ropes are pulling upward on a large crate. The weight of the crate is 458 N. The tension in the left rope is the same as the tension in the right rope.If the crate is accelerating upward at a rate of 1.95 m/s2, and the tension in the two ropes is the same, what is the ...

*Monday, September 19, 2016 by taylor*

**physics**

a bullet of mass 20 gram is horizontly fired with a velocity 150 mtr/sec from a pistol of mass 2 kg. what is the recoil velocity of the pistol?

*Monday, September 19, 2016 by geethika*

**physics**

A particle B of mass 10g is shot vertically upward from a point O with velocity 10m/s. The horizontal plane containing O is the reference level of the gravitational potential energy .Neglect all air effects. a) Calculate the mechanical energy of the system at O. b) Calculate ...

*Monday, September 19, 2016 by angie*

**Physics**

A tennis player hits a ball 1.6m above the ground. The ball leaves the racket with a speed of 12m/s at an angle 8.0 above the horizontal. The net is a horizontal distance of 7.0m away from the player and is 1.0m high. a) does the ball clear the net? Explain how you determined ...

*Monday, September 19, 2016 by Brittany*

**physics**

A puck is released on an air table inclined by 0.1rd with respect to horizontal. By applying the principle of conservation of the mechanical energy of the system ,calculate the velocity of the puck after 40 cm journey along a line of greatest slope.

*Monday, September 19, 2016 by angy*

**Physics**

A 10-ft,25lb seesaw is balanced by a little girl with a weight of 50lbs and her father with a weight of 200lbs at opposite ends. How far from the seesaw's center of mass must the fulcrum be placed?

*Monday, September 19, 2016 by Hana*

**physics**

A particle B of mass 10g is shot vertically upward from a point O with velocity 10m/s. The horizontal plane containing O is the reference level of the gravitational potential energy .Neglect all air effects. a) Calculate the mechanical energy of the system at O. b) Calculate ...

*Monday, September 19, 2016 by angy*

**Physics**

A rocket accelerates upward at 3m/sec2 for 60 seconds when it releases a booster. How long will it take the booster to reach the ground from the highest point and what is its velocity as it is striking the ground? I'm unsure how to find the time if time is already given. I...

*Monday, September 19, 2016 by john*

**physics**

A homologous rod of mass M=20kg of length L=3m and of negligible cross-section rests initially on the horizontal ground chosen as a reference level for the gravitational potential energy. The rod is rotated about one end until it takes a vertical position . Calculate the ...

*Monday, September 19, 2016 by angy*

**physics**

a glass block weighs 25N in air . when whole immersed in water, the block weighs 15N. calculate the relative density of glass

*Monday, September 19, 2016 by zari*

**Physics**

If a ball is dropped from a height of 100.0 m, what is it's height above the ground (in meters) after 3.0 s? If a ball is dropped from a height of 100.0 m, what is it's velocity (in m/s) after 3.00 s? You may treat downward velocity as positive.

*Sunday, September 18, 2016 by Brad*

**Physics**

If a ball is launched straight upwards from the ground with an initial velocity of 20.0 m/s, how long does the ball take to reach a height of 15.0 m on the way up? For the same situation, at what time does the ball reach 15.0 m on the way back down?

*Sunday, September 18, 2016 by Chad*

**Physics**

If you apply a changing force, will either the velocity or the acceleration change in the same way as the force?

*Sunday, September 18, 2016 by Jane*

**physics**

On a banked race track, the smallest circular path on which cars can move has a radius of 101 m, while the largest has a radius of 163 m, as the drawing illustrates. The height of the outer wall is 19.0 m. Find (a) the smallest and (b) the largest speed at which cars can move ...

*Sunday, September 18, 2016 by xavier *

**physics**

A WEATHER BALLOON IS TO OPERATE WHERE THE DENSITY OF AIR IS 0.9Kg/m3. THE BALLOON HAS A VOLUME OF 20cm3 AND IS FILLED WITH NITROGEN WITH DENSITY 0.09Kg/m3. IF THE BALLOON BAG WEIGHS 118N, WHAT LOAD CAN IT SUPPORT AT THIS ALTITUDE?

*Sunday, September 18, 2016 by cho*

**Physics **

The Earth is about 81 times more massive than the moon. During the gravitational interation of the Earth and the Moon, the magnitude of the gravitational force acting on the Earth _______ the gravitational force acting on the Moon. A) is greater than B) is less than C) is the ...

*Sunday, September 18, 2016 by Anonymous*

**PHYSICS **

Two objects are tied together and placed on a frictionless table. One is pushed off the edge of the table so it falls, dragging the second along the surface of the table. The magnitude of the acceleration of the falling object is _______.

*Sunday, September 18, 2016 by Anonymous*

**physics**

A public transportation bus travels back and forth along a road, following the position-time graph over the time period shown below. There are five points labeled on the graph. What is the average speed and velocity (magnitude and direction) of the bus between point 1 and ...

*Sunday, September 18, 2016 by jake*

**physics**

In Mud buggy driving, people attempt to drive an off-road vehicle over a deep mud puddle. If the buggy stops before the end , it sinks into the mud and needs to be pulled out with a tow truck. A racer is driving his mud buggy in a straight line. when he hits the edge of the ...

*Sunday, September 18, 2016 by Matt*

**physics**

In Mud buggy driving, people attempt to drive an off-road vehicle over a deep mud puddle. If the buggy stops before the end , it sinks into the mud and needs to be pulled out with a tow truck. A racer is driving his mud buggy in a straight line. when he hits the edge of the ...

*Sunday, September 18, 2016 by Matt*

**Physics**

A person takes a trip, driving with a constant speed of 94.0 km/h except for a 22.0 min rest stop. If the person's average speed is 60.1 km/h, how much time is spent on the trip and how far does the person travel?

*Sunday, September 18, 2016 by Jared *

**Physics**

A 20 kg block is placed on a 35 degree ramp. What is its true metric weight?

*Sunday, September 18, 2016 by Kori*

**Physics **

In mud buggy driving, people attempt to drive an off road vehicle over a deep mud puddle. If the buggy stops before the end, it sinks into the mud and needs to be pulled out with a tow truck. A racer is driving his mud buggy in a straight line . when he hits the edge of the ...

*Sunday, September 18, 2016 by Gerard*

**Physics**

In mud buggy driving, people attempt to drive an off road vehicle over a deep mud puddle. If the buggy stops before the end, it sinks into the mud and needs to be pulled out with a tow truck. A racer is driving his mud buggy in a straight line . when he hits the edge of the ...

*Sunday, September 18, 2016 by Geo*

**Physics**

Starting from rest at 10m to the left of the origin (the starting line of a race), a go-kart undergoes constant acceleration of 2.46 m/s2. Make a table calculating the karts position and velocity at 10 second intervals from t=0 to 60 seconds. I have created the table but I ...

*Sunday, September 18, 2016 by Jorge*

**Physics**

A truck of mass 2 tonnes moving at a speed of 25 m/s is brought to rest suddenly in 5 seconds. Calculate the power exerted by the brakes

*Sunday, September 18, 2016 by Muomen*

**mathematical physics**

An unbiased coin is tossed three times. If A is the event that a head appears on each of the first two tosses,B is the event that a tail occurs on the third toss and C is the event that exactly two tails appear in the three tosses,show that: i) Events A and B are independent. ...

*Sunday, September 18, 2016 by gourav bhardwaj*

**Physics**

A student walking home at a steady rate of 4.80 m/s suddenly decides to start running. She can accelerate at 7.50 m/s22, and runs for 1.70 s before stopping. What distance did the student cover while running?

*Sunday, September 18, 2016 by Ann*

**Physics**

A rock perched on the edge of a cliff falls off. It starts from rest, and falls freely for 1.48 seconds before reaching the ground at the base of the cliff. What is the speed of the stone just before it hits the ground?

*Sunday, September 18, 2016 by Tara*

**Physics**

A diver jumps off of a diving board. She leaves the board with a velocity of 3.70 m/sec in the upward direction. How far will she rise above the diving board before she reverses her motion and starts to fall downward?

*Sunday, September 18, 2016 by Tara*

**Physics**

A skydiver is falling to earth. When he is traveling at 51.3 m/sec, he opens his parachute, and after 3.00 seconds he reaches the speed of 4.30 m/sec. The remaining 60 seconds before landing is spent traveling downward at the speed of 4.30 m/sec. What is his ...

*Sunday, September 18, 2016 by Tara*

**physics**

Calculate the resultant force when four forces of 30N due east 20N due north 50N due West and 40N due south are acted upon a body

*Sunday, September 18, 2016 by Suraj *

**physics**

23. Two identical balls each have an excess charge of 5.0 x 10-7 C, and they are attached to the ceiling by light string 0.80 m long as shown in the figure below. If the angle that the threads make with respect to each other is 300, determine the force experienced by each ball...

*Sunday, September 18, 2016 by christian*

**physics**

A microwave oven has a power requirement of 1250 W. A frozen dinner requires 6.5 min to heat on full power. If the cost of electricity is 12 cents per kWh, how much does it cost to heat the dinner?

*Sunday, September 18, 2016 by kim*

**physics**

A microwave oven has a power requirement of 1250 W. A frozen dinner requires 6.5 min to heat on full power. How much electrical energy (in kWh) is used?

*Sunday, September 18, 2016 by kim*

**physics**

How much heat is necessary to change 345 g of ice at -11°C to water at 20°C

*Sunday, September 18, 2016 by kim*

**physics**

While in Europe, a tourist hears on the radio that the temperature that day will reach a high of 22°C. What is this temperature on the Fahrenheit scale?

*Sunday, September 18, 2016 by kim*

**physics**

The energy released by a heater which draws a current of 5A at 220V for 1min. E ~ V × I× t( hrs)÷1000 220×5×0.0167÷60000 Is equal to 0.00030 Kwh

*Sunday, September 18, 2016 by lhamo*

**physics**

How much heat is necessary to change 345 g of ice at -11°C to water at 20°C?

*Sunday, September 18, 2016 by kim*

**physics**

A 4.6 "kilo" bag of sugar is on a counter. How much work is required to put the bag on a shelf a distance of 0.45 m above the counter

*Sunday, September 18, 2016 by kim*

**PHYSICS**

In an archery practice an arrow was realesed from a bow with a velocity of 20m/s it strikes and slopes find at what rate the aarrow was aaccelarated

*Sunday, September 18, 2016 by physics*

**mathematical physics**

Using Green's Theorem evaluate the integral ∮c(xydx + x^2y^2 dy) where C is the triangle with vertices (0 ,0), (1, 0) and (1, 2).

*Sunday, September 18, 2016 by gourav bhardwaj*

**mathematical physics**

Using Stokes' theorem evaluate ∫c F.dl where F = yi^+ xz^3 j^-z y^3 k^ and C is the circle x^2+ y^2 = 4; z = -3.

*Sunday, September 18, 2016 by gourav bhardwaj*

**PHYSICS**

What is the change in momentum of a car weighing 1500 kg when its speed increases from 36 km/h to 72 km/h uniformly?

*Sunday, September 18, 2016 by Anonymous*

**physics**

What is the acceleration of a 10-N freely falling object with no air resistance?

*Sunday, September 18, 2016 by lisa*

**Physics**

An automobile accelerates 1.77 m/s2 over 6.00 s to reach freeway speed at the end of the entrance ramp. If the car's final velocity is 24.44 m/s, what is it's initial speed when it began accelerating. the answer i got was 35.06 m/s (35.1 m/s when doing sig figs). I ...

*Saturday, September 17, 2016 by John*

**Physics **

One positive aspect of the potential use of methane hydrate as a fuel is that A.it exists in a pure form ready for use B.there is more of it than there is coal, oil, and natural gas C.it use will never contribute to global warming D.it is easy to mine

*Saturday, September 17, 2016 by Destiny*

**Physics**

A bean jumps vertically off of a table. It has a speed of 10 m/s when it reaches half of its maximum height. How high does it rise?

*Saturday, September 17, 2016 by Jack*

**Physics**

A bean jumps off a table and when it reaches have its height it has a speed of 10 m/s, how high does it rise?

*Saturday, September 17, 2016 by Jack*

**physics**

A vertical spring stretches 13 cm when a 2.3 kg block is hung from its end. (a) Calculate the spring constant. This block is then displaced an additional 3.2 cm downward and released from rest. Find the (b) period, (c) frequency, (d) amplitude, and (e) maximum speed of the ...

*Saturday, September 17, 2016 by Mariaaaaaaa*

**Physics**

A ball is rolled up a ramp with an initial velocity of +10m/s. It arrives at the bottom of the ramp with the same speed 5 seconds later. What is the ball acceleration for the whole trip? What is the velocity after 2 seconds? After 3 seconds?

*Saturday, September 17, 2016 by Koko*

**Physics (Mechanics)**

A bat makes contact with a ball 0.8 meters above the ground. The ball then travels with a speed of 22 m/s, moving up. How high does it go?

*Saturday, September 17, 2016 by Andrew*

**AP physics **

Can two vectors, of unequal magnitude, add up to give the zero vector? Can three unequal vectors? Under what condition?

*Saturday, September 17, 2016 by Susana *

**physics**

How much work is required to lift a 5.2-kg concrete block to a height of 3.1 m?

*Saturday, September 17, 2016 by kim*

**physics**

What is the kinetic energy of a 15 kg dog that is running at a speed of 8.7 m/s (about 19 mi/h)?

*Saturday, September 17, 2016 by kim*

**physics**

A 4.6 "kilo" bag of sugar is on a counter. How much work is required to put the bag on a shelf a distance of 0.45 m above the counter?

*Saturday, September 17, 2016 by kim*

**physics**

While rearranging a dorm room, a student does 307 J of work in moving a desk 1.1 m. What was the magnitude of the applied horizontal force?

*Saturday, September 17, 2016 by kim*

**Physics**

You take 4 measurements of the mass of a ball: 2.96 kg, 3.32 kg, 3.31 kg, 3.17 kg. What is the uncertainty of the average mass to 95% confidence? CL=95% N=4 CC=1.84

*Saturday, September 17, 2016 by Gabriel*

**Physics**

Physics teacher has this question for hw. 38. An electric powered model car starts from rest and moves in a straight-line for 4.0 s. The relationship between time and position is x^2+ 2 t^2 = 32, t in seconds and x in cm. Find the velocity at t= 1 s & t = 3 s. he gave us the ...

*Saturday, September 17, 2016 by Eric*

**physics**

You are thinking about taking gymnastics, so you go to the facility and get an idea of what to expect by looking out from the viewing room. The viewing room window is 4.40 m above the trampoline directly below, so it is perfect for viewing the the facility. Occasionally ...

*Saturday, September 17, 2016 by p*

**Physics**

A turtle ambles leisurely–as turtles tend to do–when it moves from a location with position vector r1,x = 1.49 m and r1,y = -2.83 m in a lettuce garden to another location, with position vector r2,x = 3.17 m and r2,y = -4.49 m, where the lettuce appears to be tastier...

*Saturday, September 17, 2016 by Chisom *

**Physics**

Q.A ballon is asending at the rate of 5m/s at height of 98m above the ground, when a packet is dropped from the ballon. After how much time and with what velocity it will reach the ground.

*Saturday, September 17, 2016 by Me*

**Physics**

A person driving her car at 45km/h approaches an intersection just as the traffic light turns yellow. She knew that the yellow light lasts only 2s before turning red,and shi is 28m away from the near side of the intersection. Should she try to stop,or should she speed up to ...

*Saturday, September 17, 2016 by Lee*

**Physics**

An athlete performing a long jump leaves the ground at a 27.1 ∘ angle and lands 7.73 m away. 1). What was the takeoff speed? Express your answer using three significant figures and include the appropriate units. 2).If this speed were increased by just 3.0%, how much ...

*Friday, September 16, 2016 by Ashley*

**Physics**

In the figure a uniform, upward electric field of magnitude 1.90 × 103 N/C has been set up between two horizontal plates by charging the lower plate positively and the upper plate negatively. The plates have length L = 19.0 cm and separation d = 1.60 cm. An electron is ...

*Friday, September 16, 2016 by Confused*

**physics**

3 masses m1, m2, and m3 are kept at vertices of an equilateral triangle a, b,c respectively. find the moment of inertia when triangle is rotated about an altitude passing through m1

*Friday, September 16, 2016 by indrajeet*

**Physics**

At a time when mining asteroids has become feasible, astronauts have connected a line between their 3140-kg space tug and a 5050-kg asteroid. They pull on the asteroid with a force of 589 N. Initially the tug and the asteroid are at rest, 504 m apart. How much time does it ...

*Friday, September 16, 2016 by Dot*

**Physics**

A golfer hits a shot to a green that is elevated 3.00 m above the point where the ball is struck. The ball leaves the club at a speed of 17.8 m/s at an angle of 53.0˚ above the horizontal. It rises to its maximum height and then falls down to the green. Ignoring air ...

*Friday, September 16, 2016 by Dot*

**Physics**

Negative charge -Q is distributed uniformly around a quarter-circle of radius a that lies in the first quadrant, with the center of the curvature at the origin. Fine the x and y components of the net electric field at the origin.

*Friday, September 16, 2016 by Ayaka *

**Physics**

From top of a tower 160 m high a body is projected upwards with a velocity of 40 m/s making an angle of 30° with the horizontal. Find the time it will take to reach the ground

*Friday, September 16, 2016 by Diana*

**physics**

You are thinking about taking gymnastics, so you go to the facility and get an idea of what to expect by looking out from the viewing room. The viewing room window is 4.40 m above the trampoline directly below, so it is perfect for viewing the the facility. Occasionally ...

*Thursday, September 15, 2016 by parm*

**physics**

While standing on top of a 256 m tall building, you see Iron Man flying straight down toward the ground at a speed of 32.0 m/s. Just as he passes you, you drop a can of Dr Pepper off the roof. How fast is the can going when it passes Iron Man?

*Thursday, September 15, 2016 by parm*

**Physics**

During World War I, the Germans had a gun called Big Bertha that was used to shell Paris. The shell had an initial speed of 1.86 km/s at an initial inclination of 52.2◦ to the horizontal. The acceleration of gravity is 9.8 m/s^2. a. How far away did the shell hit? Answer...

*Thursday, September 15, 2016 by Peyton*

**Physics**

A projectile of mass 0.998 kg is shot from a cannon. The end of the cannon’s barrel is at height 7 m, as shown in the figure. The initial velocity of the projectile is 11 m/s.The projectile rises to a maximum height of ∆y above the end of the cannon’s barrel ...

*Thursday, September 15, 2016 by Peyton*

**Physics**

A daredevil decides to jump a canyon of width 4.22 m. To do so, he drives a motorcycle up an incline sloped at an angle of 12.4◦. The acceleration of gravity is 9.8 m/s. What minimum speed must he have in order to clear the canyon? Answer in units of m/s.

*Thursday, September 15, 2016 by Peyton*

**Physics**

Determine the mass of a pasteboard with area 75.0cm

*Thursday, September 15, 2016 by Liv*

**Physics Electricity and magnetism **

Two 10-cm-diameter charged rings face each other, 15.0 cm apart. Both rings are charged to + 30.0 nC . What is the electric field strength at the center of the left ring?

*Thursday, September 15, 2016 by Anonymous*

**physics**

A remote controlled car. My 11 year old grandson, Danny, got a remote controlled car for his birthday. His older brother, Jay, has a set of physics tools, including a sonic ranger. Jay is a computer jockey and has figured out how to make the sonic ranger program show any ...

*Thursday, September 15, 2016 by Sandra*

**Physics**

On this graph, what is the displacement from 0s to 8s? // A. 0.6 m B. 5.0 m C. 2.0 m D. 10.0 m ... I think it's B, if you subtract the final placement and the initial placement. I have a photo to help. Also, what would the instantaneous velocity be here? The slope of the ...

*Thursday, September 15, 2016 by Sandy East Ward*