Saturday
February 6, 2016

Homework Help: Science: Physics

Recent Homework Questions About Physics

physics
Our Sun revolves about the center of our Galaxy at a distance of about lightyears What is the period of the Sun’s orbital motion about the center of the Galaxy?
Friday, October 30, 2015 by rani

physics
Use Kepler’s laws and the period of the Moon (27.4 d) to determine the period of an artificial satellite orbiting very near the Earth’s surface.
Friday, October 30, 2015 by rani

physics
Calculate the period of a satellite orbiting the Moon, 95 km above the Moon’s surface. Ignore effects of the Earth. The radius of the Moon is 1740 km.
Friday, October 30, 2015 by rani

physics
Calculate the speed of a satellite moving in a stable circular orbit about the Earth at a height of 4800 km.
Friday, October 30, 2015 by rani

physics
Calculate the force of Earth’s gravity on a spacecraft 2.00 Earth radii above the Earth’s surface if its mass is 1850 kg.
Friday, October 30, 2015 by rani

physics
Two objects attract each other gravitationally with a force of when they are 0.25 m apart. Their total mass is 4.00 kg. Find their individual masses
Friday, October 30, 2015 by rani

Physics
A spring of spring constant k is attached to a support at the bottom of a ramp that makes an angle θ with the horizontal. A block of inertia m is pressed against the free end of the spring until the spring is compressed a distance d from its relaxed length. Call this ...
Friday, October 30, 2015 by Cbro

Physics
A car traveling at a velocity of 2m/s undergoes an acceleration of 4.5m/s2 over a distance of 340m.How fast will it be going after the acceleration?
Thursday, October 29, 2015 by Sean

Physics
A system of inertia 0.39 kg consists of a spring gun attached to a cart. The system is at rest on a horizontal low-friction track. A 0.050-kg projectile is loaded into the gun, then launched at an angle of 40∘ with respect to the horizontal plane. With what speed does ...
Thursday, October 29, 2015 by Cbro

Physics
Sky divers falls out of a plane at an altitude of 11750 m. How much time in seconds will they pass before they deploy their parachutes?
Thursday, October 29, 2015 by Anonymous

Physics
1. Name three different kinds of graphs that are often used to plot information and discuss the value of each. i have no idea what the heck this means
Thursday, October 29, 2015 by Linda

physics
A 2.6 kg toy locomotive is pulling a 1.7 kg caboose. The frictional force of the track on the caboose is 0.52 N backward along the track. If the train is accelerating forward is 3.1 m/s2, what is the magnitude of the force exerted by the locomotive on the caboose? How would I ...
Thursday, October 29, 2015 by Ethan

Physics
You push down on a book of inertia m resting on a table with a force directed at an angle θ away from vertical. The coefficient of static friction between book and table is μs. If θ is not larger than some critical value, you cannot get the book to slide no ...
Thursday, October 29, 2015 by Maddie

mastering physics
An airplane pilot wishes to fly due west. A wind of 90.0 km/h is blowing toward the south.If the airspeed of the plane (its speed in still air) is 305.0 km/h , in which direction should the pilot head?
Thursday, October 29, 2015 by physics

physics
In order to make a jump a toy car has to reach a certain final velocity. If the car is traveling at 16.6 m/s [F] and can cover the distance of 3.93 m [F], in 0.27 s. What was the final velocity of the car?
Thursday, October 29, 2015 by tracie

physics
A novice golfer on the green takes three strokes to sink the ball. The successive dis- placements are 7 . 7 m to the north, 1 . 9 m 45 ◦ north of east, and 8 . 7 m 76 ◦ west of south. Starting at the same initial point, an expert (lucky) golfer could make the hole ...
Thursday, October 29, 2015 by joey

Physics
A brush fire is burning on a rock ledge on one side of a ravine that is 20 m wide. A fire truck sits on the opposite side of the ravine at an elevation 6.5 m above the burning brush. The fire hose nozzle is aimed 35∘ above horizontal, and the firefighters control the ...
Thursday, October 29, 2015 by Cbro

Physics
A curling stone with a mass of 18 kg slides 38m across a sheet of ice in 8.0 s before it stops because of friction. What is the co¨efficient of kinetic friction between the ice and the stone? (Note: you will need to calculate the acceleration of the stone first.) I solved ...
Thursday, October 29, 2015 by Sarah

physics
what's vector?
Thursday, October 29, 2015 by dave getch

physics
the earth is,on average,150 million km from the sun.calculate its average speed in orbit.
Thursday, October 29, 2015 by dave getch

physics
A 36.8-kg crate rests on a horizontal floor, and a 67.3-kg person is standing on the crate. Determine the magnitude of the normal force that (a) the floor exerts on the crate and (b) the crate exerts on the person.
Thursday, October 29, 2015 by Jimma

physics math science
A battleship fires a cannon to hit a pirate ship with velocity 200 m/s and angle with horizontal direction 37o. • Find: • A) the position of the bullet after 2 secs, velocity and acceleration. • B) the highest altitude it will reach and time it takes to get ...
Thursday, October 29, 2015 by Projectile Motion

Physics
If an Indian was to drive a 875kg buffalo over the edge of a 33 meter cliff with a horizontal velocity of 8.75 m/s, how far from the base of the cliff would the buffalo land?
Wednesday, October 28, 2015 by Mackenzie

Physics
An object initially at rest experiences an acceleration of 9.8 m/s^2. How much time will it take to achieve a velocity of 58 m/s?
Wednesday, October 28, 2015 by Sarah

Physics
A 0.473 kg mass is attached to a spring with a spring constant 110 N/m so that the mass is allowed to move on a horizontal frictionless surface. The mass is released from rest when the spring is compressed 0.119 m. Find the maximum force on the mass.
Wednesday, October 28, 2015 by AIsh

Physics
A 1400 kg car moves along a horizontal road at speed v0 = 21.4 m/s. The road is wet, so the static friction coefficient between the tires and the road is only μs = 0.127 and the kinetic friction coefficient is even lower, μk = 0.0889. The acceleration of gravity is 9...
Wednesday, October 28, 2015 by AIsh

physics
a 450 cm^3 of aluminum (D = 2.7 g/cm^3) is lowered carefully into a completely full beaker of water? what is the weight of the water, in newtons, that spills out of the beaker?
Wednesday, October 28, 2015 by denise

SCIENCE\PHYSICS
If a ball is displaced from O to A along a straight line with a distance of 5.0m,what is the resultant displacement and the total distance by the ball?
Wednesday, October 28, 2015 by Anonymous

PHYSICS
A ball is displaced from O to A along a straight line with a distance of 5.0m,it will later return to O along the same path.what is the resultant displacement and the total distance by the ball?
Wednesday, October 28, 2015 by DICKSON

Physics
When jumping straight down, you can be seriously injured if you land stiff-legged. One way to avoid injury is to bend your knees upon landing to reduce the force of the impact. A 69.3-kg man just before contact with the ground has a speed of 6.94 m/s. (a) In a stiff-legged ...
Wednesday, October 28, 2015 by john

physics
An engine of mass one metric ton is ascending on an inclined plane, at an angle tan ^-1 (1/2) with horizontal, with a speed of 36km/hr. If the coefficient of friction at the surface is 1/(3^1/2) then the power is?
Wednesday, October 28, 2015 by Anushka

PHYSICS
A 48.7-g golf ball is driven from the tee with an initial speed of 47.5 m/s and rises to a height of 27.5 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) What is its speed when it is 6.60 m below its highest point?
Wednesday, October 28, 2015 by Anonymous

physics
a truck beneath an airplane that is moving 180 km/h at an angle of 47 to the ground. How fast must the truck travelto stay beneath the airplane? Answer in units of km/h.
Wednesday, October 28, 2015 by chris

PHYSICS
A 81.8-kg skier rides a 3300-m-long lift to the top of a mountain. The lift makes an angle of 12.9 ° with the horizontal. What is the change in the skier's gravitational potential energy?
Wednesday, October 28, 2015 by Anonymous

physics
The aerodynamic drag on an aeroplane is given by D=bv^2. The power output of the aeroplane cruising at constant speed in level flight is proportional to a> v b> v^2 c> v^3 d> v^(3/2)
Wednesday, October 28, 2015 by Anushka

Physics
Your 50 lb sister is seated at one end of a 12 ft teeter totter. If the fulcrum is in the center, what is the moment of her weight? If you weigh 100 lbs, how far from the fulcrum must you sit in order to balance her? (I thought it may be 6 feet)
Wednesday, October 28, 2015 by Angie

physics
A 214-kg crate rests on a surface that is inclined above the horizontal at an angle of 19.4°. A horizontal force (magnitude = 541 N and parallel to the ground, not the incline) is required to start the crate moving down the incline. What is the coefficient of static ...
Wednesday, October 28, 2015 by sarah

Physics, science
a car travels 45 km in 1 hour. in each of the next 2 hours, it travels 78 km. what is the average speed of the car?
Tuesday, October 27, 2015 by adriana

physics
from circuit R1 6680 ohm R2 680 ohm R3 330 ohm R4 180 ohm find the total resistance
Tuesday, October 27, 2015 by ali

Physics
A 200 N box is pushed up an incline 10 m long and 3 m high. The average force (parallel to the plane) is 120 N. a.) How much work is done? b.) What is the change in the PE of the box? c.) What is the change in KE of the box? d.) What is the frictional force on the box?
Tuesday, October 27, 2015 by Ana

Physics
A drunken driver crashes his car into a parked car that has its brakes set. The two cars move off together (perfectly inelastic collision), with the locked wheels of the parked car leaving skid marks 6.0 m in length. If the mass of the moving car is 2130kg and the mass of the ...
Tuesday, October 27, 2015 by Juicy

physics
A boy in a wheelchair (total mass, 46.0kg) wins a race with a skateboarder. He has a speed of 1.33m/s at the crest of a slope 2.24m high and 13.2m long. At the bottom of the slope, his speed is 6.35m/s. If air resistance and rolling resistance can be modeled as a constant ...
Tuesday, October 27, 2015 by Juicy

Physics
A toy train leaves a station at time t=0.0 and moves with constant acceleration. If the total mass of the train is 5.5 kg and its acceleration is 9.9 m/s2. What is the total work done on the train after 1.1 s? Express your answer in kJ.
Tuesday, October 27, 2015 by Juicy

Physics
During a road test,a driver brakes a 1420kg car moving at 64.8km/h [W]. The car slows down and comes to a stop after moving 729m [W]. What is the net force acting on the car?
Tuesday, October 27, 2015 by Jeena

Physics
An archer shoots at a target 60m away. If she shoots at a velocity of 55m/s [right 3degrees above the horizontal] from a height of 1.5m, does the arrow reach the target before striking the ground? What should the archer do to get her next !@#$%^& on target? My teacher tells us...
Tuesday, October 27, 2015 by Mackenzie

Physics
A 27.0-kg block is resting on a flat horizontal table. On top of this block is resting a 13.0-kg block, to which a horizontal spring is attached, as the drawing illustrates. The spring constant of the spring is 310 N/m. The coefficient of kinetic friction between the lower ...
Tuesday, October 27, 2015 by Rupika

Physics
A quarterback throws a football toward a receiver with an initial speed of 22 m/s at an angle of 30° above the horizontal. At that instant the receiver is 23.6 m from the quarterback. With what constant speed should the receiver run in order to catch the football at the ...
Tuesday, October 27, 2015 by Jorge

Physics
What is the resultant of a vector that has components 25 m/s east, and 25 m/s north?
Tuesday, October 27, 2015 by Ana

Physics
If you were on the moon and fired a projectile, the maximum range you could achieve would occur with an angle of (in degrees): **So I'm guessing it would be at angle 45-50?**
Tuesday, October 27, 2015 by Ana

language
Which of the following sentences demonstrates proper subject-verb agreement? a) Physics is a difficult subject to learn. b) Measles usually spread through respiratory fluids. c) The study of various sciences are compelling. d) News travel fast
Tuesday, October 27, 2015 by alixie

11 Grade College Prep Math-Based Physics
Not good at physics, so could someone check these practice test questions please? Explanations are appreciated. 1. Which of Newton's Laws says you cannot touch anything without being touched? a) 4th b) 2nd c) 1st d) 3rd *** 2. A 3.00 kg ball is dropped from rest from the ...
Tuesday, October 27, 2015 by Ana

Physics
A 200 N box is pushed up an incline 10 m long and 3 m high. The average force (parallel to the plane) is 120 N. a.) How much work is done? b.) What is the change in the PE of the box? c.) What is the change in KE of the box? d.) What is the frictional force on the box?
Tuesday, October 27, 2015 by Ana

physics
On the once popular show “Knight Rider,” the tricked-out car (for the 80s, anyway), Kit, 1. drives up a ramp and into the back of a semi truck while the truck is moving. A viewer once expressed disbelief that this is possible. Assuming that Michael Knight (the driver...
Tuesday, October 27, 2015 by reddy

AP Physics
A 35kg child sits in a swing supported by 2 chains, each 3.7 m long. If the tension in each chain at the lowest point is 274 N find the child's speed at the lowest point. (Neglect the mass of the seat). I'm not sure what equations to use to set this up
Tuesday, October 27, 2015 by Chevy

physics
how is a stone tied on an elastic string balanced when in air and water ?
Tuesday, October 27, 2015 by Carron

11 Grade Math-Based Physics
Could someone check these practice test questions over for me? I'm not good at physics at all, so I would love an explanation. 1. A projectile is shot an angle into the air. Neglecting air resistance... 1a. It's horizontal acceleration is a) 9.8 m/s^2 b) 0.0 m/s^2 *** ...
Tuesday, October 27, 2015 by Ana

physics
A falling stone accelerates at a constant rate of 10ms^2. It is dropped from rest down a deep well and 3s later a splash is heard as it hits the water below.(1) How fast will it be moving as it hits the water? (2)What will be its average speed over the three seconds ? (3) how ...
Tuesday, October 27, 2015 by Lisa

physics
Power applied to a particle varies with time as P=(3t^2-2t+1)W. Find the change in kinetic energy between t=1s and 4s.
Tuesday, October 27, 2015 by sally

PHYSICS
THREE TOWNS A,,B,C ARE SITUATED SO THAT |AB|=100KM . THE BEARING OF B FROM A IS 060 AND THE BEARING OF C FROM A IS 290 DEGREES . CALCULATE THE DISTANCE OF C FROM A .
Tuesday, October 27, 2015 by Anonymous

Physics
A compact car of mass 915 kg has an overall motor efficiency of 16.0%. (a) If burning one gallon of gasoline supplies 1.34 108 J of energy, find the amount of gasoline used in accelerating the car from rest to 55.0 mi/h. Here you may ignore the effects of air resistance and ...
Tuesday, October 27, 2015 by Steven

Physics
A body starts from rest and accelerates to a velocity of 5m/s in 20s. It then maintains this velocity for 10s and then decelerates to rest in further 10s. (a) Draw a velocity – time graph of the motion (b) Calculate the initial acceleration (iA body starts from rest and ...
Tuesday, October 27, 2015 by Mary

Physics
A walker's speed, v, is proportional to the ratio of his leg length, L, and the period of the repeating motion of his legs, T, that is, v ∝ L/T. If the period is measured to be proportional to Lp, where p = 3/5, what power of L must the speed be proportional to? ...
Tuesday, October 27, 2015 by Jen

physics
Two identical charges, each -8.00 x 10-5 C, are separated by a distance of 25.0 cm. Find the electric force between them?
Monday, October 26, 2015 by joey

physics
a) How much work must be done on a particle with a mass of m to accelerate it from rest to a speed of 8.4×10−2 c ? (Express the answer in terms of mc^2.) b)How much work must be done on a particle with a mass of m to accelerate it from a speed of 0.900c to a speed ...
Monday, October 26, 2015 by Nellie

physics
a stone is thrown vertically upward at a speed of 10 m/s from a cliff that is 95m high. How long will it take the stone to reach the bottom?
Monday, October 26, 2015 by Anonymous

Physics
A tightrope walker wonders if her rope is safe. Her mass is 60 kg and the length of the rope is about 20 m. The rope will break if its tension exceeds 7500 N. What is the smallest angle at which the rope can bend up from the horizontal on either side of her to avoid breaking? ...
Monday, October 26, 2015 by Chris

Physics
In a ballistic pendulum experiment, a small marble is fired into a cup attached to the end of a pendulum. If the mass of the marble is 0.0255 kg and the mass of the pendulum is 0.250 kg, how high will the pendulum swing if the marble has an initial speed of 5.75 m/s? Assume ...
Monday, October 26, 2015 by JL

Physics
Some nucleus of 74X189 (atomic mass = 188.96191 u) undergoes - decay to become 75X189 (atomic mass = 188.95922 u). What is the energy (in MeV) released in this process?
Monday, October 26, 2015 by Matilda

Physics
A boat travels at 8m/sec and heads straight across a river 240m wide. The river flows at 4m/sec. What is the boats resultant speed with respect to the riverbank
Monday, October 26, 2015 by Tori

Physics Please help!!
A rock is thrown horizontally off of a cliff. It starts with a velocity of 4.2 m/s and the cliff is 68.2 m high. How long does the rock fall? I got 3.7 seconds but I do not know if it is right. (Help on these two) How far out from the bottom of the cliff does the rock fall? ...
Monday, October 26, 2015 by Jake

Physics
The distance between two telephone poles is 42 m. When a 1.44 kg bird lands on the telephone wire midway between the poles, the wire sags 0.139 m. The acceleration of gravity is 9.8 m/s2 . How much tension in the wire does the bird produce? Ignore the weight of the wire. ...
Monday, October 26, 2015 by Jake

physics
A truck accelerates uniformly from rest to 21.5m/s in 5.7sec along a level stretch of road. Determine the average power required to accelerate the truck for the following values of the weight (ignore friction) a) 1.00x10^4 N b) 1.45x10^4 N I used constant acceleration equation...
Monday, October 26, 2015 by Christine

Physics
A ball of mass 0.3kg moving at a velocity 20/s is suddenly hit by a force of 5 Newton for a time of 0.03 seconds. Find its new velocity
Monday, October 26, 2015 by Habeeb

Physics
You are installing a new art piece after buying it from a second hand store. You are installing the piece on the wall at an incline. Suppose there are three forces when the piece is installed and each tension is about 77 N, what is the force of gravity acting on the art piece?
Monday, October 26, 2015 by Jake

Physics
A rock is thrown horizontally off of a cliff. It starts with a velocity of 4.2 m/s and the cliff is 68.2 m high. How long does the rock fall? I got 3.7 seconds but I do not know if it is right. (Help on these two) How far out from the bottom of the cliff does the rock fall? ...
Monday, October 26, 2015 by Carlos

Physics
A rocket is launched at an angle of è = 48° above the horizontal with an initial speed vi = 62 m/s, as shown below. It moves for 25 s along its initial line of motion wth an acceleration of 25.6 m/s2. At this time, its engines fail and the rocket proceeds to move as...
Monday, October 26, 2015 by Anonymous

physics
A sphere of mass 78 kg is attached to one end of a rope as shown in the figure below. It is found that the rope does an amount of work W = 3550 J in pulling the sphere upward through a distance 4.6 m. Find the work done by the force of gravity on the sphere. My work W= -78 * 9...
Monday, October 26, 2015 by Dan

Physics
A place kicker must kick a football from a point 31.2 m from a goal. As a result of the kick, the ball must clear the crossbar, which is 3.05 m high. When kicked the ball leaves the ground with a speed of 21.3 m/s at an angle of 53° to the horizontal. By how much does the ...
Monday, October 26, 2015 by Anonymous

Physics
A place kicker must kick a football from a point 31.2 m from a goal. As a result of the kick, the ball must clear the crossbar, which is 3.05 m high. When kicked the ball leaves the ground with a speed of 21.3 m/s at an angle of 53° to the horizontal. By how much does the ...
Monday, October 26, 2015 by Anon

physics
how much energy is required to move a 1000kg object from the Earth's surface to an altitude twice Earth's radius?
Monday, October 26, 2015 by ling

science/physics
just trying to find out what temperature the water in my celcius heating system needs to be to achieve an air tempature of 68 degrees ferinheidt
Monday, October 26, 2015 by Anna

Physics
How much torque is required to accelerate a uniform sphere of mass 10,000.0 kg and radius 2.5 meters from rest to an angular velocity of 60 rpm in a time of 90 seconds?
Sunday, October 25, 2015 by Dallas

Physics I
What is the torque produced by a force of 40N j applied at the point 2 m i - 5 m j + 3 m k?
Sunday, October 25, 2015 by Tim

physics
The motion of a human body through space can be modeled as the motion of a particle at the body's center of mass. The components of the position of an athlete's center of mass from the beginning to the end of a certain jump are described by the following two equations...
Sunday, October 25, 2015 by Spice

physics
A dive bomber has a velocity of 290 m/s at an angle θ below the horizontal. When the altitude of the aircraft is 2.15 km, it releases a bomb, which subsequently hits a target on the ground. The magnitude of the displacement from the point of release of the bomb to the ...
Sunday, October 25, 2015 by Spice

physics
how do you plot T2 2.14, 2.10, 2.08, 2.03, 2,20 and 2.30 and length .445, .54m, .497m, .50m, .53m and .555m on a graph and how do you find the gradient
Sunday, October 25, 2015 by jb

Physics
Skier A of mass 71kg slides down a slope and makes a completely inelastic collision with Skier B, who is stationary, and has a mass of 55kg.Immediately after the collision both skiers have a speed of 5.8m/s. a)Find the speed of skier A immediately before the collision. (I got ...
Sunday, October 25, 2015 by Christine

physics
A 0.400-kg ice puck, moving east with a speed of 5.38 m/s , has a head-on collision with a 0.950-kg puck initially at rest. Assume that the collision is perfectly elastic. What is the speed of the 0.400-kg puck after the collision?
Sunday, October 25, 2015 by arshi

Physics
A motorcycle rider plans to make a jump off a ramp. If he leaves the ramp with a speed of 38.0m/s and has a speed of 36.3m/s at the top of his trajectory, determine his max height above the end of the ramp. Ignore friction and air resistance. i got 6.45m but i really don't...
Sunday, October 25, 2015 by Christine

physics
A Knight of the Round Table fires off a vat of burning pitch from his catapult at 17.4 m/s, at 33 ◦ above the horizontal. The acceleration of gravity is 9.8 m/s 2 . How long is it in the air? Answer in units of s. What is the horizontal component of the velocity? Answer ...
Sunday, October 25, 2015 by Issa

Physics
W have three air carts (labeled #1, #2, and #3) on an air track. The carts are equipped with spring bumpers so that all collisions are elastic. The masses of the carts are m1 = 5m, m2 = 2m, and m3 = m. Initially, cart #1 is given a velocity to the right of magnitude v0 and the...
Sunday, October 25, 2015 by Whitney

physics
Derive a general equation for the time of flight of the banana en route to the monkey in terms of only the velocity, distance, and height hint: if you are doing everything right, there should be a lot of cancellations resulting in a relatively simple solution Okay, this is ...
Sunday, October 25, 2015 by Spice

Physics
A car of mass 1300 kg is driving along a road at speed of 28m/s. As it approaches some traffic lights, the lights change to red and the driver applies his brakes causing the car to skid. The frictional force between the skidding tyres and the road is 0.8 of the weight of the ...
Sunday, October 25, 2015 by Sean

physics
A car travels with uniform velocity of 30m for 5 secs and then comes to rest in the next 10sec with the aid of a diagram calculate the deceleration of the car
Sunday, October 25, 2015 by Beatrice Esther

physics
A mass is pushed over a surface by a 19 N force that acts somewhat downward at an angle of θ = 45° to the horizontal as shown in the figure below. The mass is 3.0 kg and the coefficient of friction between the mass and surface is 0.25. (a)What is the magnitude of the ...
Sunday, October 25, 2015 by Anonymous

Physics
200 g of ice at 0ºC put in 500 g of water at 20C. The system is in a container with negligible heat capacity and which is isolated from surroundings. a)What will be the final temperature (at equilibrium) of the system? b)How much ice is melting?
Sunday, October 25, 2015 by Zhenya

Physics - Please Check Answers ASAP
Please check these over and see if any are incorrect? 1. The units of speed are: a) m/s ---> my answer b) m/s^2 and direction c) N d) m/s and direction 2. Which of Newton's Laws says you cannot touch anything without being touched? a) 4th b) 2nd c) 1st d) 3rd ---> my...
Sunday, October 25, 2015 by Catherine

Physics - Check Answers ASAP
Could someone please check over my answers? I'm not very good at physics, and therefore am not sure if I got all of them correct. 1. A skier of mass 70.0 kg is pulled up a slope by a motor-driven cable. How much work is required to pull the skier 60.0 m up a 350 slope (...
Sunday, October 25, 2015 by Alysse

Physics
Water emerges vertically from a hose at ground level and rises to a height of 3.2 m. (a) At what speed does the water emerge from the nozzle? (b) How long is a given drop in the air?
Sunday, October 25, 2015 by Anonymous

Physics
2 students ride a slingshot. The slingshot catapults 2 students at a time vertically 365 feet in an amount of time proportional to their mass. If 2 small students, each with a mass of 150 pounds were to ride, what would be their respective accelerations, converted to miles per...
Sunday, October 25, 2015 by Jill

  1. Pages:
  2. <<Prev
  3. 10
  4. 11
  5. 12
  6. 13
  7. 14
  8. 15
  9. 16
  10. 17
  11. 18
  12. 19
  13. 20
  14. 21
  15. 22
  16. 23
  17. 24
  18. Next>>

Homework Help: Science