# physics( i have no idea how to go about gettign th

80,325 results, page 86-
## Quick physics help

you hear a thunder 4 seconds after you see the lightning. how far away is the storm? -
## Honors Physics

How do you determine the mass of fuel in a semi truck? -
## Physics

Can someone please tell me how to calculate the percent of error for a set of data points? thanks so much! -
## physics

Which of these is not an application of electromagnetic induction? A) Radio.B) None of these.C) Sound.D) Light.E) All of these are -
## physics

A car has a uniform velocity of 108km/h. How far does it travel in 1/2 min -
## physics

what is the speed of 1kg object when the kinetic energy is 1 joule -
## PHYSICS

Can someone please tell me how to calculate the percent of error for a set of data points? thanks so much! -
## physics

when a car drives off a cliff why does it ratate forward as it falls? -
## physics

An astronaut shoots you in space given that the bullet is weightless, could it injure you? -
## 11th grade physics

im not procrastinating i really don't understand it. im not asking for the answers im just asking for a little more help?? -
## physics

What is the apparent weight of a 55 kg person in an elevator accelerating downward at 2.2 m/s2? -
## Physics

By what distance must two charges of +2 C and +4 C be separated so that the repulsive force between them is 4.10 1010 N? -
## Physics

What is the electric force of attraction between charges of 3 C and -4 C separated by a distance of 2 m? -
## physics

pls show answers and work with the questions i have posted. -
## physics

What is the energy of a photon of yellow light with a frequency of 5.14 Ã— 1014 Hz? -
## Physics Can someone please help thnks

reply to my post earlier julie thnk u please -
## Physics

Which object had more potential energy when it was lifted to a distance of 10 meters? -
## Physics

Give 3 examples of applications of the conservation of angular momentum. -
## college physics (bob again

would 2.68 meters be a reasonable height for the cliff? -
## physics

if the earth exerts a force 300n how much does the body weigh? -
## physics

Complete the following nuclear reaction: ^16,v8 O + ^4, v2 He → ________ + ^19, v10 Ne 1p 1n 2H 3H -
## Physics

Can someone please tell me how to calculate the percent of error for a set of data points? thanks so much! -
## physics

How much potential energy does a 20-kg barrel have when it is in the truck whose floor is 5.0 m above the ground? -
## physics

of the following the largest quantity is a] 0.047 cm b] 47x10-4 cm c] 4.7x 10-4 cm d] 0.00047x10^2 cm e] 0.000047x10^6 cm -
## Physics

If you had to straighten out a refracted ray that went through a lens with a focal length of +15 cm, what could you do? -
## physics

derive the formula v0=sqrt((deltaX)squared)*g)/2*deltaY -
## physics

Every few hundred years most of the planets line up on the same side of the Sun -
## physics

Two charged spheres are 5.25 apart. They are moved, and the force on each of them is found to have been tripled. how far apart are they now? -
## physics

Two charged spheres are 5.25 apart. They are moved, and the force on each of them is found to have been tripled. how far apart are they now? -
## physics

two forces 5N and 7N act on an object respectively.When will the resultant of the two vectors be at a maximum? -
## physics

how much power does a 63kg athlete develops as he climbs a 5.2m rope in 3.5 second -
## Physics

A car accelerates from rest to 90km/h in 10 seconds.What is its acceleration in m/s2? -
## physics

This isn't so much a question, but a query: What does this mean? K.E. = 1/2 mv2 I can do the homework on my own if someone lets me know. Thanks. -
## physics

3 factors that we must always give when expressing a force vector quantity -
## physics

A mass accelerate uniformly when the resultant force acting on it is what? -
## physics

3 factors that we must always give when expressing a force vector quantity -
## physics

3 factors that we must always give when expressing a force vector quantity -
## Physics

Explain why a balloon expands when heated and contracts when cooled. -
## Physics

Write 2.38x10 to the 6th power in standard notation -
## Physics

What is the power output of an engine the does 60,000J of work in 10s? -
## physics

How much time does it take a pulse of light to travel through 180\({\rm {\rm m}}\) of water? -
## Physics

How do the initial and final horizontal velocities of a projectile compare? -
## Physics

How do you determine the average velocity on a position-time graph? -
## physics

Why does a 10 gram bullet have more momentum traveling at 200m/s than at 20m/s? -
## Physics help please

A 0.504 m length of conducting wire carrying a current of 62.1 A is? -
## physics

A plane cruising at 247 m/s accelerates at 28 m/s 2 for 8.7 s.How far will it have traveled in that time? -
## physics

in electrolysis how is conductivity affected by the molecular mass of the solution -
## physics-14

If room temperature is 70 degrees farenheit,what is kelvin?____ -
## Physics

Two spheres with masses of 5.00 g and 10. kg respectively are .500 m apart. calculate the force of attraction between them. -
## physics

how much work is being done if a 100 N box is lifted 3 meters off the ground??? -
## Physics

During the pre-industrial era, what were the Carbon Dioxide levels like? -
## Physics

I have to check that Maxwell's equations are dimensionally correct. How the hell can I do this? Thank you very much. -
## physics

Which of the following properties of a ball is conserved as it falls freely in a vacuum? -
## Physics 30

Vectors A) 3.5 cm North B) 4.2 cm West Algebraically subtract B from A(B-A) Whaaaa? Please help -
## physics

what happens to the force of frictionif the coefficient of friction was reduced by one thrid -
## physics

How many joules of potential energy does a 1.5 kg book gain when it is elevated 4.2 m? -
## Physics

In a calorimeter can whose behaves thermally is.if it were equivalent with 40g of water -
## gr.10 physics

could someone please help me with this? Rearrange and simplify for r when A=3.14r^2 by the way, 3.14 is supposed to be pi, but i don't know how to write it... -
## physics

what is the power if it takes 11s to drag the sled 80m? -
## Physics

The sum of 5.2713x10^3 + 6.54014x10^3 expressed to 4 significant figures would be? -
## physics

The maximum displacement of a vibrating body on either side of its mean position is known as its -
## Physics

If radius = 1.25 when i am swinging a bucket around and around what is the slowest possible speed i can go without it spilling? -
## Physics

what maximizes our ability to recover elastic potential energy? -
## physics

Your weight is 110 lb. What is your mass in kilograms? Answer in units of kg. -
## Physics

What does wave interference have to do with the electron energy levels in an atom? -
## physics

if you exert a force of 500 N to walk 4 m up a flight of stairs in 4 s, how much -
## physics

How much force is needed to accelerate a 50-kg rider and her 250-kg motorcycle at 5 m/s2? -
## physics- urgent

an object travels at a rate of 48.5 km/sec. how many cm/min would that be -
## Physics

An airplane normally flies at 280 km/h. What is its airspeed if it experiences 80 km/hr headwind? -
## physics

a 20.0L sample of hydrogen gas has a mass of 1.80g. What will its density be in g/ml? -
## Physics

An airplane normally flies at 280 km/h. What is its airspeed if it experiences 80 km/hr headwind? -
## Physics

When an object is immersed in a fluid describe the buoyant force? -
## physics

a skydiver has amass of 140 kg.at what speed will she have a momentum of 10,000 kg m/s? -
## Physics

How does the index of refraction relate to the speed of light in a substance? -
## Physics

If a clock says 10:30 am and the second hand rotates 960 degrees what time would it be? -
## physics

Find the relation between phase difference and path dofferense -
## Physics

Determine the relative density of a regular shaped object -
## Physics

The result of 1.51751x10^4 divided by 6.451x10^3 to 2 significant figures is? -
## Physics

What is the work done by a crane that lifts a 1,200kg object 30m? -
## physics

Pls what is the specific of water? Is think is 4200 but my mates are saying it's 4180 -
## Physics

Two vector of 5N and 6N flow they oriented to get the resultant of 7N,9N?( please solve this question) -
## Physics

Why do we see more mirages in southern states and in the summer than at other times or places -
## physics

How much work will a net force of 56·N west do on the cart as it moves 1·m? -
## PHYSICS

As the distance of the object from the lens increases,what happens to the image size? -
## physics

Is there any investigations of forced oscillations of the spring-mass system? -
## science

How do the principles of physics and chemistry both come into play when developing new materials? -
## physics

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

what is the kinetic energy in joules of a 1040-kg automobile traveling at 81 km/h ? -
## physics

How much work does gravity do on a 0.120-kg ball falling from a height of 17.0 m? -
## physics

How much work must be done to stop a 1070 kg car traveling at 111 km/h? -
## Physics

calculate the force between two identical charges of 1.0 x 10 exp -9 C separated by 1.0 Cm -
## physics

all electric charges are multiples of the charge on an electron, or atom? -
## modern physics

Calculate the commutator [ p, e^ik.x ] where the function e^ik.x may be expanded as: e^ik.x = ∑infinite,n=0 (ik.x^n/n!) -
## science

How do the principles of physics and chemistry both come into play when developing new materials -
## Physics

What is the peak wavelength and observed color of a 50,000 K star? -
## Physics

How does the length, thickness, and temperature of a wire effect the resistance? -
## physics

When a nucleus emits a beta particle, it's atomic number is ? -
## Physics

How come heat engines are more efficient when run at high temperatures? -
## Physics

Explain fully one pro and one con of nuclear energ -
## Physics

If your car accelerates from rest at a steady rate of 4 m/s2, how soon will it reach 84 km/h