Math/Physics

210,081 results, page 36

physics

A rolling ball moves from x1 = 3.2 cm to x2 = -4.2 cm during the time from t1 = 3.8 s to t2 = 6.1 s. What is its average velocity?

Physics

A man walks with an average speed of 1.3 m/s for 45 minutes. How far has he walked?

Physics

Light travels at a speed 3x10^8 m/s. What distance does it travel in a time of 0.1s?

physics

A car goes 10 km in 5 minutes when its average velocity is 80 km/hr. true or false

physics

A car accelerates from 10.0 m/s to 30 m/s at a rate of 3.1 m/s2. How far does it travel while accelerating?

physics

A car accelerates from 10.0 m/s to 30 m/s at a rate of 3.5 m/s2. How far does it travel while accelerating?

physics

What is its speed after 1.87 s if it accelerates uniformly at −4.31 m/s^2? Answer in units of m/s

physics

what is the displacement of the ball? i.imgur. com/8ljWh . png i don't know calculus!

Physics

i.imgur. com/cqwun. png i'm kind of stuck.. are the answers 6, -3, -3, and 0?

Physics

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

Physics

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

Physics

If gravity was zero how would that effect the mass of an object? The weight?

physics

A submarine dives 92 m at an angle of 7° below the horizontal. What are the two components? x = m y = m

Physics

An airplane travels at 880 how long does it take to travel 1.50km

physics

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

Physics

At what distance from the earth's surface with a mass of 5.0kg be just 45.0N in weight. HELP

Physics

At what DISTANCE from the earth's surface will a mass of 5.0kg be just 45.0N in weight

physics

how do you convert 1.75 multiplied 10 to the 6th power grams to ounces? (answers)

physics

How high will a 1.85 kg rock go if thrown straight up by someone who expends 80.0 J of energy on it?

physics

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

Physics

What does the tire preseeure reading in your vehicle signify? Is it an absolute pressure?

physics

what frequency of sound travels in air @20 degree C has a wavelength equal to 1.7m?

physics

A skier slides down a slope to the left at a constant speed.

physics

what is the particle's average velocity in the y direction vy between t=0.200s and t=0.300s?

physics

joe weighs 650N. how much work does he do if he climbs 4m up a a rope?

Physics

How many calories it take to elevate the temperature of 10 gr of water-from 26C to 50C?

physics please help

What effect does the magnetic field have on the speed of the particle?

physics

An ammeter measures rate of change of current or flow of charge?

physics

what speed must you toss a ball straight up so it takes 2s to return to you

Physics sci & eng

A force of 5.8 N acts on a 16 kg body initially at rest.

physics

If a cat chases a mouse for 1.15 s whail covering a distance of 19.6 m, what is the velocity?

Physics

When we lauch a space shuttle will it go with Earths rotationor would it go opposite?

Physics

A submarine dives 96 m at an angle of 24° below the horizontal. What are the two components? x = m y = m

physics

find energy of a single photon of light when you have 5.4*10^12 hertz.

physics

a race car accelerates from rest at +7.2 m/s^2 for 4.5 s. How fast will it be going at the of that time ??

Physics

How much force is required to accelerate 5kg at 15m/sec?

physics

What is the wavelength of an earthquake that shakes you with a frequency of 10.0 Hz and gets to another city 84.0 km away in 12.0 s?

Physics

What is the orbital speed of a satellite of mass 490 kg in geostationary orbit?

physics

A balloon with a radius of 20.0 m at 6.0 oC is heated to 32.0oC. Find the new volume.

Physics

What is the acceleration of a 2-kg cart placed on a frictionless ramp inclined at 20 degrees?

physics

why do you find the same wavelengths and colors on each side of the central maxima?

physics

A projectile is shot straight up from the earth's surface at a speed of 1.50×104 .

Physics HW Help, Please

What is the energy required to accelerate a 1600 kg car from rest to 33 m/s?

Physics

A 125 ball has a kinetic energy 33.6 What is the magnitude of it's momentum? What is the speed?

physics

calculate the value of g at a height of 3600 km above the surface of the earth?

Physics (easy level)

What would a Potential energy to velocity^2 graph be?

Physics

Who originally designed the planetary model of an atom? Bohr or Rutherford

physics

Given three vectors a~=Ài~À4j~+2k~ , b~=3i~+2j~À2k~ , c~=2i~À3j~+k~ , calculate a~Á(b~c~)

physics

At the end of a race a runner decelerates from a velocity of 7.00 m/s at a rate of 0.300 m/s2.

Physics

Why does the volume of air bubble increase as it rises toward the surface?

Physics

If Jenn walks at a speed of 1.75 m/s for a total of 3.0 minutes, how far has she travelled?

physics

A vector has a magnitude of 18.0 cm and makes an angle of 103.0° with the positive x-axis.

physics

Find the area enclosed by the curve y=sinx and the x-axis between x=0 and x=22/7

physics

Find the area enclosed by the curve y=sinx and the x-axis between x=0 and x=22/7

physics

Find the area enclosed by the curve y=sinx and the x-axis between x=0 and x=22/7

physics

Find the area enclosed by the curve y=sinx and the x-axis between x=0 and x=22/7

physics

Find the area enclosed by the curve y=sinx and the x-axis between x=0 and x=22/7

physics

An 80kg astronaut has a weight of 120N. How many radii above the earth is he?

physics

an electron (m= 9.11 x 10^-31 kg) and a proton (m+ 1.6 x 10^-27 kg) are separated by 1.0 x 10^-10 m. what is the gravitation force between them? help please!

Physics

If a 1.5V battery stores 5.0kj of energy,for how many minutes could it sustain a current of 1,2A?

physics

find the impulse on a baqseball that is hit 80N of force in a time of 0.52 s

Physics

Classify the following measurements as scalar of vector quantities. A.) 15 s B.) 4.2 m ( up) C.) 100 km/h (S) D.) 2.8 kg

physics

Calulate the amount of substance io 120g of trioxocarbonate (iv)ion,co2

physics

Calulate the amount of substance in 120g of trioxocarbonate (iv)ion,co2

physics

a cannon fire a .453 kg shell with initial velocity vi=9m/s in the direction 50

Physics

Find positions on the x axis for the charges Q1 = -1 C and Q2 = +3 C so that the electric field is zero at x = 0.

Physics

I got 240mph by using a diagram but my lecture said i am wrong

physics

if a proton and an electron are released when they 2.0 x 10^-10 m apart, find the initial acceleration of each of them

physics

What voltage is applied to the 5.00 µF capacitor of a heart defibrillator that stores 35.0 J of energy? In kv.

physics

610 C passes through a flashlight in 0.510 h. What is the average current?

Physics

How long in seconds does it take for a car accelerating at 3.5m/s2 to go from rest to 120km/hr

Physics

what is the power dissipated in an ac circit in which current v=230sin(wt+90) and I=10sin(wt)...plz help me

physics

The units of heat are equivalent to those of which one of the following quantities?

Physics

How much work must be done on a 500-kg car to accelerate it from 29-km/hr to 112-km/hr?

physics

determine the magnitude of the centripetal force that acted on the whirling ball??

physics 11

Displacement i sgivenby x=2+3t+4t2. Find the value of instantaneous acceleration.

Physics 11

Displacement is given by x=2+3t+4t². Find the value of instantaneous acceleration.

physics

Why projectiles launched at complimentary angles have the same range?

Physics

How can we find the resultant force if the mass and SPEED are given?? Help me please!!

physics

how much energy is stored in a 9 volt battery rated at 10 a hour

physics

Show that the average speed of a rabbit that runs a distance of 30 m in a time of 2 s is 15 m/s.

Physics

What is the momentum of a wavelength= 0.015nm X-ray photon? p= in kg*m/s Please help I am confused. Thank you.

Physics H

What is the speed of light moving through a medium of index of refraction 2.45?

Physics, Help me please,

What is the potential difference between Points A and B? E=100N/C AB=.2M degrees of 30

physics

find the %error in the measurement of refractive index of glass. the values was 1.54,1.53,1.44,1.54,1.56& 1.45.

physics

Caculate the work done when a force of 20N strecthes a spring by 50mm

physics

if The magnitude of the nuclear spinangular momentum of a nuclei is 15 /2 units. Then what will be the value of I

physics

if The magnitude of the nuclear spinangular momentum of a nuclei is 15 /2 units. Then what will be the value of I

Physics

How much mechanical energy was lost during the ball's fall?

sonogram physics

How much time is required to image a structure at 5cm.?

physics please need help

If the period of an AC sine wave is 180 ms, the frequency is

Physics

How far do you travel if you start at 5.6 m/s and slow down at 2.5 m/s until you stop?

physics

how to show with the help of a model that resistivity of a conductor increases with increase in temperature?

Physics

The pendulum is transported to another planet where the acceleration due to gravity is smaller.

physics

what is the kinetic energy of 1,200-kg roadster moving at a rate of 88km/hr?

physics

What is the wavelength (m)of an earthquake that shakes you with a frequency of 11.5 Hz and gets to another city 85.0 km away in 12.0 s?

physics

determine the pressure of a 20 lb force is applied to an area of 10 inch squared

physics

determine the pressure of a 20 lb force is applied to an area of 10 inch squared

physics

find the acceleration produced by a net force of 300.0 N on a mass of 0.75 kg.

physics

If body is rotating 30r.p.m in clockwise what is angular velocity and it direction

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