# physics please HELP !

74,760 results, page 53-
## physics dimension

write down the dimensions of moment of inertia and surface tension coefficient. -
## physics

Calculate the distance Michael will travel if he maintain an average speed of 9.4 m/s for 2.2 seconds. -
## AP Physics

If you are driving 116 km/h along a straight road and you look to the side for 1.0 s, how far do you travel during this inattentive period? -
## physics

Your friend of mass 80 kg can just barely float in freshwater.Calculate her approximate volume. -
## Physics

The longest and shortests wavelengths of the Lyman series of singly ionized Helium -
## physics

if a bus travels north with a constant velocity of3m/s, what is the displacement after 15 seconds? -
## physics

calculate the kinetic energy of a body of mass 2kg moving with a velocity of 0.1m/s. -
## physics

Two asteroids, each with a mass of 6 million kilograms are attracted gravitationally with a force of 0.75 N. How far apart are their centers? -
## Physics

When you jump vertically 0.86 meters above the ground, what is your acceleration when you reach your highest point? -
## physics

in joule thomson effect,why the temperature of inversion leads to negative sign? -
## Physics

Leroy, who has a mass of 72 kg, is skateboarding at 5.9 m/s when he smacks into a brick wall and comes to a dead stop in 0.2 s. -
## physics

a 27,000kb freight train starting at 12m/s then speeds up to 45 m/s in 35 seconds. what is the acceleration? -
## physics

Find the intensity level 10m from a 0.24 watt source of sound energy? -
## Physics

The electric field at the surface of a uniformly charged sphere of radius 6.0cm is 90 kN/c . -
## Physics

An object accelerates uniformly from rest and covers 8m in 2 seconds. What is the distance covered in the third second? -
## Physics

Calculate the hang time of an athlete who jumps a vertical distance of 0.75 meter. -
## PHYSICS

how far will a 1000kg car travel in 10 sec if it is accelerated from rest by a force of 5000N -
## physics

An electron and a proton that are placed in an electrical field both accelerate equally. True or False? -
## physics

the speed of the train increased from 15 mi/hr to 25 mi/hr in distance of 500 ft. calculate the average acceleration in ft/s^2 -
## Physics

As a rocket accelerates upward, its thrust remains constant but its acceleration increases. what is the cause of this? -
## science/physics

What acceleration will you give to a 25.8 kg box if you push it horizontally with a net force of 89.6 N? -
## physics

A wheels is turned at prequency at 2.0 revelation per second and then is allow to come to rest. If it those so in 30sec ? How far did it turn in aprocess -
## physics

Find the final speed of the train assuming no friction. Answer in units of m/s -
## physics

What is the pressure inside a 33.1 L container holding 109.1 kg of argon gas at 399 K? -
## physics

Calculate the distance Michael will travel if he maintain an average speed of 9.4 m/s for 2.2 seconds -
## Physics

A cable lifts a 1060-kg elevator at a constant velocity for a distance of 39 m. What is the work done by each of the following? -
## physics

if the resultant of 2 equal force inclint to each other at 60° is 8root3N. Find the component forces? -
## physics

Calculate the total force of the atmosphere acting on the top of a table that measures 1.9 m by 2.3 m. -
## Physics

The minimum distance between particles in a wave that have the same displacement and are moving in the same direction is called? -
## Physics

Make an analogy between heat capacity and density. Describe which quantities correspond to one another. Thanks! -
## Physics

When striking, the pike, a predatory fish, can accelerate from rest to a speed of 3.6 m/s in 0.11 s . Distance? -
## College Physics

What is the work required to move a proton 1 cm along the 7 volt equipotential line? -
## physics

Can you find the pressure exerted on the floor by the heel if it has an are of 1.50 cm^2 and the woman's mass is 55kg? -
## Intergated chemistry/physics

What is the speed (in m/s) of an object that has a mass of 2.5 kilogram and a momentum of 1,000 kg m/s? -
## Physics Help!!

Comparing Einstein's and Newton's theories of gravitation, can the correspondence principle be applied? and Why or Why not? a)Yes b)No -
## physics

Results for: In An Ideal Transformer, The Voltage And Current Are 220V,2A And Those In Secondry Are 2000V, IA. The Value Of I Is? -
## physics dimensions

the displacement of a particles is given by S=A+Bt+Ct^2.deduce the values of the constant A,B,and C appearing in the equation -
## physics

A force of 3000 N is applied to a 1500-kg car at rest. (a) what is its acceleration? (b) what will its velocity be 5 s later? -
## Physics

Find the force necessary to stop a 900 kg jetta traveling at +25 m/s in a time of 5.0 seconds. -
## physics

what is the maximum downward accelaration you can give your hand in m/s^2 i was thinking 10 due to gravity -
## physics

A stone is dropped from a ledge 45m high. What will its speed on reaching the Earth be? -
## physics

Wind gusts create ripples on the ocean that have a wavelength of 5.00 cm and propagate at 2.00 m/s. What is their frequency? -
## physics

How much work is needed to lift a 400kg engine upward 1.5 meters out of a car? -
## physics science

The photoelectric effect occurs only when the incident light has more than a entain minimum -
## Physics

The time at which it took the arrow to reach the bulls eye is .6 seconds and it will land 1.8m under the bullseye -
## Physics

How far does a plane fly in 15 s while its velocity is changing from 145 m/s to 75 m/s at a uniform rate of acceleration? -
## Physics

I want to become an astonomer or study astrophysics but I didnt do maths a level can I still do it? Is there any way you can help me or provide aN alternative -
## physics

a plane stops from 250 mph in 25 seconds. Calculate the planes acceleration -
## physics

A jet travels at 490 m/s. How long does it take to travel 227m? Answer in units of s -
## physics

What is the force of gravity between two 832 kg cars separated by a distance of 29.35 m on an interstate highway? -
## Physics

If train travelling 72kmph is to be brought to rest distance of 200m then its retardation should be -
## physics

calculate angular momentum and rotational kinetic energy of earth about its own axis -
## physics

a bomb of mass 5 kg explodes in to two equel fragments. At what angle these fragment fly apart ? -
## Physics

A cheeta can run with a speed of 29 m/s. Determine the distance travelled by a running cheetah in 8.6 s. D= 29/8.6 = 3.3s -
## General Physics I

What is the spring constant of a 129N object the vibrates at a period of 4.98s? -
## physics

To the nearest tenth of a Joule, what is its maximum kinetic energy of the pendulum in problem 2? -
## Physics

A car of 900kg accelerates uniformly from rest to a speed of 30 m/s in 15 seconds.what is its power? -
## physics

What is the downward force on a ball with a mass of 7.5 x 10^-1 kg thrown in the air due to gravity? -
## physics

find the maximum voltage that can be appliedto a 8 k ohm resistor rated 0.50 watt? -
## physics

A car travels in a straight line for 3.7h at a constant speed of 63 km/h. What is the acceleration? Answer in m/s^2 -
## Physics

A polar satellite is launched at 850km above earth. Find orbital speed. -
## physics

find the maximum voltage that can be applied to a 8 kohm resistor rated 0.50 Watt? -
## physics

Starting from the constant-acceleration kinematic equations, write a formula that gives xf in terms of t, xi, vf, and a. -
## Physics

A ball is thrown straight up at 24.0 m/s. Ignore the effects of air resistance in your calculations.After 2.00 s? -
## physics

How much work is needed to lift a 400kg engine upward 1.5 meters out of a car? -
## Physics

Emily rides her horse 48 km in 3 hours.What is her average speed in kilometers per hour? -
## Physics

How much does it cost to operate a 23-W porch light for 24 h if electric energy costs 8¢/kWh? -
## physics

If motion of a particle of mass (m) is given by y=ut+1/2gt^2 (square).find force acting on it -
## physics

I need to know the resistivity of german silver wire. I've looked at a few Google sources and I've seen several different results. Anyone know which value I should use? -
## Physics

Find the velocity of microwaves having wavelength of 0.75m and frequency 2.75X10^10hz -
## physics

the two crates 40-kg and 60-kg are to be accelerated upward to a ship at the rate of 0.30-m/s2 determine the tension in each rope ? -
## Physics

consider the circuit in the figure. find the current in the 13 ohm resistor. Answer in units of A -
## physics

What is the force a rock exerts if it's mass is 36,000 kg and the acceleration due to Gravity is 9.8 m/s2 -
## Physics

A bicycle with tires .064 m in diameter travels 8.1 km. 1. How many revolutions do the wheels make? -
## Physics

A 1.25kg book in space has a weight of 8.35N. What is the value of the gravitational field at that location ? -
## Physics 11

A girl stands 2.5 m infront of a plane mirror. If she sees someone else 2.0 m behind her, how far is she from the image of that person? -
## Physics

What is the circular force of a 150 g yoyo swung around on a 1.00 m string at a velocity of 5.0 m/s (in Newtons)? -
## physics

how long does a car with an acceleration of 2.0 m/s^2 take to go from 10m/s to 30m/s?and show the solution how do you get the answer. -
## physics

Find the electric flux through each surface. (Use any variable or symbol stated above along with the following as necessary: ε0.) -
## physics

A 2.40- bullet embeds itself in a 1.20- block, which is attached to a spring of force constant 770 . -
## physics PLEASE HELP!

what are three possible thicknesses that a soap film should be to transmit yellow light ? (Lambda=590nm) -
## Physics

How much is needed to melt an ice cube, 3 centimeters on each side at 0 degree celcius? -
## physics

Explain the changes in frequency with respect to changes in mass, length tension on sonometer bridge. -
## physics

How much work is needed to lift a 400kg engine upward 1.5 meters out of a car? -
## physics

A car has a velocity of 25m and accelerates uniformly to 45m/s in 10seconds.what is the acceleration? -
## physics

what is the temperature increase of 6.4 kg of water when it is heated by a 7.7*10 square? (cp=4186j/kg*degrees celsius) -
## Physics

An electric kettle has a power of 1.2kw. How long will it take to heat 3 kg of water to the from 20¡ãC to 100¡ãC? -
## physics

Estimate the magnitude of the electric field in a cell membrane with a thickness of 8nm -
## physics

two charged objects carry a negative charge of 2*10c. calculate their distance apart -
## physics 101

A 72.9 kg man is standing on a frictionless ice surface when he throws a 1.6 kg book at 11 m/s. -
## physics

A meteoroid is speeding through the atmosphere, traveling east at 15.5 km/s while descending at a rate of 10.6 km/s. What is its speed, in km/s? -
## physics

A 1.25-kg book in space has a weight of 8.35 N. What is the value of the gravitational field at that location? GIVEN: m = 1.25 kg W = 8.35 N Therefore, they want the acceleration. Would I use this equation g = Fg/m? -
## Science physics

How would the voltage output be affected if the armature is made to spin faster? -
## Physics

If an 80-kg sprinter can accelerate from a standing start to a speed of 10 m/s in 3 s, what average power is generated? -
## physics

How far will a car moving at 50 miles an hour travel in the time it takes to sneeze? -
## physics

what is the magnitude and direction of the electric field 20.0 cm cm directly above an isolated 33.0 10 neg6 c charge? -
## Integrated Physics and Chemistry

The ____ motion of a star can be determined by studying its spectrum -
## physics

YOU PUSH A REFRIGERATOR WIT HA FORCE OF 50N AND IT MOVES 3 METERS ACROSS THE FLOOR -
## Physics

Two positive charge of 12cand 8c are 10cm apart each other. The work done in bringing them 4cm closer is -
## physics

A proton is suspended at rest in a uniform field E.Take into account gravity and determine E.