# 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.