# Math/Physics

210,322 results, page 31

### Physics

What does it mean to have a 99.1% experimental uncertainty or percent deviation

### physics

Full explanation of transverse wave with sutable example

### physics

the formula of centripital accelaration is v>2/r Q:Why here is square of speed ?

### physics

Find the displacement of the car after 5.9 s. Answer in units of m

### Physics

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

### Chemistry Physics

What is the wavelength in metres of an electromagnetic wave with a frequency of 10^14/s?

### physics

44 foot skid from a jeep cherokee, how fast was it traveling.

### physics

the input to a 93.33 efficient belt drive system is 75 kw. what is the output ?

### physics

with what speed does a hammer dropped from a height of 23 m strike the ground?

### physics

a force of 20 n acts on a 5 kg block. calculate the acceleration of the object.

### Physics

What air temperature will feel four times as warm as 0 °F?

### physics

How does a “pop bottle” rocket use the principles of motion

### physics

explain the terms uniform acceleration and average speed.

### Physics

how much work is done to drag a 25kg sled 80m?

### physics

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

### physics

find the resultant force 10N and 20N acting at 30¡ã

### physics

calculate the work done in lifting a 300 N weight to a height of 10 m.

### physics

isolate for t s = ut + 1/2at^2 please show all ur steps

### Physics

The volume of a block of lead that has a mass of 33.6g would have to be?

### physics

what will be the young's modulus of copper wire pf length 0.15 m and radius 0.2 cm

### Physics

Which best explains why openness is important to the progress of science?

### Physics

How far does water travel if you restrict the hose opening by 80%

### physics

Why the blood pressre in human greater at the feet than in the brain?

### physics

How many joules of energy are required to melt 80g of silver.

### physics

What is the acceleration (in m/s^2) of a vehicle that changes its velocity from 85 km/h to a dead stop in 13 s?

### Physics

The ratio of velocities of sound in hydrogen and oxygen at stp is???

### Physics

what is the northwest and eastward components of a 550 kph velocity?

### physics

a plane travelling at 200.0m/s braked to a stop in 6.2s. what was its acceleration?

### Physics

What is the change in velocity (in m/s) if an impulse of 225 N acts on a 4.5 kg mass for 3.0 s?

### PHYSICS

Why are cars made with bumpers that can be pushed in during a crash?

### physics

Vector B~ has x, y, and z components of 9.6, 6, and 8.5 units, respectively. Calculate the magnitude of B~ .

### physics

what is the pressure on the bottom of an aquarium 0.3 m deep filled with water

### physics

Calculate the energy absorbed when 8.5g of ice is melted at 0 celsius

### Physics

What effect does the normal force have on the coefficients of friction?

### PHYSICS

Write down the ORDER OF MAGNITUDE for the numbers given: a)4.72*10^-7 b)8.65*10^4 C)7.59*10^-5

### 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?

### physics

what do you think will happen if a blackhole and a whitehole are close to each other

### Physics

If 7.20 kg of ice at -5.00°C is added to 12.0 kg of water at 30°C, compute the final temperature.

### Physics

Three vectors A,B and C have the following x and y components Ax = 3.6, Ay=-3.4; Bx=-5.5, By=1.9; Cx=2.5, Cy=3.4 What is the magnitude of A+B+C?

### Physics

Find the pressure at the bottom of a swimming pool that is 1.1 m deep.

### physics

what is the acceleration of a car going 25m/s on a cloverleaf with a radius of 45 m?

### physics

Calculate the Specific Gravity of an object that sinks in water if m = 21.97 g and mA = 17.40 g.

### Physics

If I use 1.013x10^5 instead of given 101kpa....is it wrong?

### Physics

Why we have to know refractive index and can use this in normal life?

### Physics 1st

What will be apparent length of a rod 1m long moving with 0.7c

### physics

At a distance of 2.0 m. from a +8.0 x 10^-6 C charge, the magnitude and direction of the electric field will be?

### Physics

is electric field intensity the same as potential difference?

### Physics

Show that the function y(x,t) = X^2+V^2t^2 is a solution of the general wave equation.

### PHYSICS

Do the mass of a body determine the gravity they possess(sun)

### physics

find a unit vector parallel to the resultant of vectors : A=2i^+j^-k^& B=3i^-2j^+2k^

### Physics

Why are electrons allowed to fall on a crystal plate for diffraction ?

### Physics 30

The circuit has two resistors? V= 22V R= 27 Komega R=? I= 12mA

### physics

three resistors are connected in parallel R1=10, R2=50, R3=25.what is the equivalent resistance

### physics

An astronaut has a mass of 60kg.what is her weight here on earth

### physics

a car starts from rest and accelerates at 6m/s^2.how far does it travel in 3s?

### physics

How does a vaccum flask minimize heat change with surrounding

### Physics

An electric field with constant magnitude and direction is said to be?

### physics

What are the charges on and the potential difference across each capacitor in the figure if V = 13.2 V?

### Physics

A man walks 3km E and then 4km N. What is his resultant displacement?

### Physics HW Plz help

What is the frequency of a blue light with a wavelength of 487nm?

### physics

what is the heat capacity of a gold ring that has a mass of 7.00g

### physics

prove that I=square root of (I^2avarage). using I=Iosin(wt)

### Physics

A streetlight hanging above a road has what type of engrgy?

### physics

Which idea did Isaac Newton’s experiments with light support?

### Physics

For what values of "a" and "b"will the vectors 2i^_3j^_k^ and ai^+bj^_2k^ be parallel to each other?

### PHYSICS

A Car Of Mass 280kg Moving With A Velocity Of 30m/s

### Physics

Calculate the λSWL for molybdenum, when the accelerating potential is 15 kV

### Physics

Mass=2.20 T=10 Friction=0.400 Determine the acceleration when x=0.400m

### physics

you are moving at 12m/s towards a mirror,what is the speed of your image?

### Honors Physics

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

### Physics

Write 2.38x10 to the 6th power in standard notation

### Physics

How far does a runner travel if they maintain a speed of 8.5 m/s for 240 s?

### physics

Does drift velocity depend upon the area of conductor?

### 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)?

### physics

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

### Physics

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

### Physics

Determine the relative density of a regular shaped object

### Physics

When 20 kJ of heat is removed from 1.2 kg of ice originally at -15 C, what is the new temperature?

### Ap physics

Determine the mass of the earth from the known period and the distance of the moon

### physics

What is the rotational speed of the hour hand on a clock? -----rev/s

### physics

What is the rotational speed of the hour hand on a clock? -----rev/s

### physics

What is the period (in seconds) of a simple pendulum 62.0 cm. long, on the earth?

### Physics

Hi, do you know how angular velocity relates to a "tight spiral" in football?

### physics

State the factors that affect the speed and the rotation of the motor

### Physics

Describe a vibration that is not periodic. I'm not sure how to answer this! Please help?!

### Physics

How long does it take for sound to travel around the world ?

### physics

determine the velocity of a charge that push by the 16 volts source

### physics

a body of mass 2 kg moving with a speed of 10 m/s find its momentum

### Physics

Why the household appliances starts / runs as soon as we switch them on

### physics

describe the shape of the graph made and discuss its significance.

### physics

Is the motion of the rider for each angle of inclination uniformly accelerated? Why or why not?

### Physics

A coil of wire has a resistance of 31.8Ω at 28 °C and 55.6Ω at 53 °C. What is the temperature coefficient of resistivity?

### physics

How much positive and negative charge is there in a cup of water

### 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!)

### physics

from newton's second law of motion derive the formulae F=ma

### physics

What is the energy of a photon of yellow light with a frequency of 5.14 Ã— 1014 Hz?

### Physics

What does it mean when the position vs. time graph is below the x-axis?

### Physics

What is the polar notation for a vector that points from the origin to the point (0,5.00) ?

### physics

if the velocity of wave is 0.15m/s and the frequency is 20Hz, what is the wavelength?