# Math/Physics

210,322 results, page 38

### physics

If the kinetic energy of an automobile triples because of a speed change, it momentum is ?

### physics

what is the acceleration in m/s2of a body moving at 63 km/h and comes to rest in 40s

### physics

what is the acceleration in m/s2of a body moving at 63 km/h and comes to rest in 40s

### Physics

A bottle cork floating on water has a mass of 50g what is its weight?

### Science-Physics

From what height was a brick dropped if it hit the ground with a speed of 4.3 m/s?

### Physics

How far can a person run in 15minutes if he or she runs at an average of 16km/hr? Thank you

### physics

a shell is fired at an angle of 30 C above the horizontal at a velocity of 140 m/s

### physics

What is the value of current when charge of 5 uc paases through a conductor in 2seconds

### physics

What experimental evidence do we have to show that matter is composed of particles

### Physics

For centripetal acceleration, if the radius increases, does that mean the angle is decreasing?

### Physics

What is the relative humidity on a 25.0 °C day when the air contains 14 g/m3 of water vapor?

### Physics

What Precaution should be take in static and kinetic friction experiment?

### Physics (Kinematics Check)

What is the average velocity of a dropped brick that falls 4.0 m? vi = 4.0 m/s vf = 0 m/s a = 9.81 m/s^2 t = vf-vi / a t = -4/9.81 t = 0.41 s v = d/t v = 4.0/0.41 v = 9.81 m/s^2 <----------

### physics

A force of 1.3N results in the movement of an object 3.1m northeast.How much work is done

### physics

How many grams of Al2O3 are formed from 15L of O2 at 97.5kPa and at 21degree celcius.

### physics

differentiate between law of paralleogram and resolution of component of force.

### Physics

what is the schwarzschild radius of a black hole with a mass of 1.68x10^43kg

### Physics

Describe an experiment to measure the specific heat capacity of a liquid.

### PHYSICS

A bicycle tire is 68 cm in diameter. what frequency does it have if it travels at 8m/ sec?

### Science (Physics)

(3.2534x10^4m)+(7.25x10^6m)/(4.26442x10^-3km)-(7.1299x10^-5km)

### physics

if 8.96dm of CO is produced at STP -how many moles of CaCO3 have reacted

### physics

A lizard accelerates from 2m/s to 10m/s in 4 seconds. What is the lizards average acceleration?

### Physics

An automobile uniformly accelerates from rest at 15 ft/s2 for 6s. What is the fanal velocity in ft/s? v=d/t 15 *6= 90 90ft/s

### physics

A car travels in a straight line for 4.6 h at a constant speed of 95 km/h . What is its acceleration?

### physics

WHat is the displacement of a car that starts at 10m/s east and accelerates at 3m/s west for 2s

### Physics

What is the magnitude of the vertical component of velocity of the plane? Answer in units Km/h

### physics

at what temprature is the average translational k.e of a molecule in an ideal gas equal to 1 ev?

### Physics

How much energy is released when 250 kg of anthracite coal burns

### Physics

what quantities are needed to describe motion -to know how position changes with time

### Physics

what is the total displacement of a runner which finish the 1-km race in just 10 seconds

### physics

how is a stone tied on an elastic string balanced when in air and water ?

### physics

an object weighs 180N on earth, how much will it weigh on the moon?

### Physics

an elastic band is stretched a distance of 0.150m by a force of 100.0

### Physics

Draw areal velocity versus time graph for Mars.

### Physics

true or false.Initial velocity is always equal to zero

### physics

What is the frictional force between the 5.66 kg mass and the table? Answer in units of N.

### Physics

What is the size of the buoyant force on a 31.0 N ball that is floating in fresh water?

### physics

find the acceleration of a bicycle slowing fron 3m/s to a stop in 5 seconds?

### Physics

Compute the k.e in joule of a 500g riffle bullet traveling at 300m/s

### physics

What would the mass of a bowling ball be if it were to travel m/s with a momentum of 7000kg.m/s

### agric,physics,life sciences ,pure maths

can i be an agricultural engineer

### physics

The energy of the em waves is of the order of 15 kev.to which part of the spectrum does it belong?

### Physics

How much work does a 50 kg student to climb 3 meters high stairs

### physics

: what is the density of an object with the mass 60g and volume 25cm cube

### physics

Help me to answer this!! What is meant by energy-mass relationship?w Explain with examples.

### PHYSICS

WHAT IS THE MASS AND WEIGHT OF 1420LB OF SNOMOBILE AND 412KG OF HEAT PUMP?

### Physics

What would be the average velocity of an object falling 1.25m from the rest?

### Marble hall

Is it possible to start pure maths and physics at college ?

### Physics

what maximizes our ability to recover elastic potential energy?

### physics

calculate the de-broglie wvelenth of the electron orbitting in the n=2 of hydrogen atom

### physics

Explain the difference between a GET and MOSFET on the basis of their construction and working

### Physics

How much energy is required to ionize hydrogen when it is in the state with n = 6? (answer in eV)

### physics

compute the mass of the following assuming if it to be a sphere of radius 6370km

### physics

state or law which explains why a ship can easily sink than overturn?

### Physics/Cars

Does the mass of the car matter when driving on the road? When skidding?

### physics

How much energy is needed to heat and melt 3.0 kg of copper initially at 83°C

### PHYSICS

Why do objects gain mass while approaching the speed of light

### physics

what is the importance/significance of calculating the magnetic flux density of a solenoid?

### physics

Find the relation between phase difference and path dofferense

### physics

A proton is confined to a nucleus of radius 5 FM.what's the minimum uncertainty in momentum?

### physics

a woman drives at a speed of 70 mph how many miles does she travel in 24 minutes

### physics

Michael, whose mass is 80 kg, runs at a speed of 3 m/s. What is his kinetic energy?

### Physics

When projectile angle is 45°what is the relation between maximum height and range

### physics

Calculate the momentum of a 100 kg object moving with velocity 10m/s

### physics

Calculate the momentum of a 100 kg object moving with velocity 10m/s

### Physics

If a man walks 4 km east and then 5 km south. How far is he from the point where he started?

### physics

Distance travelled by a ball dropped from a cliff in the 10th second.

### physics

how much work is done when 100 kg lifted 5 meters above the ground

### physics

Find the density of the earth if its mass is 6×10^3kg and radius is 6.4×10^3km

### Physics

what must be the net force if a 19.9 kg mass accelerates to the left at a rate of 2.2m/s^2?

### Physics

Find, to 3 decimal place, the frequency of the hour hand of a clock

### physics

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

### mathematical physics

Using Stokes' theorem evaluate ∫c F.dl where F = yi^+ xz^3 j^-z y^3 k^ and C is the circle x^2+ y^2 = 4; z = -3.

### physics

How much heat is necessary to change 345 g of ice at -11°C to water at 20°C?

### physics

How much heat is necessary to change 345 g of ice at -11°C to water at 20°C

### Physics

A 20 kg block is placed on a 35 degree ramp. What is its true metric weight?

### physics

some rocks melt at 1800farenheit. what is the temperature in the celsius scale ?

### Physics

The density of an object is 1500kgm-3, the mass is 10000g find the volume

### Physics

What are some scientific questions that can be asked about projectile motion?

### physics

A gas occupies 20 dm³at 30°c at 2.5 atm find its volume ayt s.t.p.

### Physics

Which of the following is an element? H2O Hydrogen Carbon dioxide A supernova

### physics

A stone is thrown vertically upward at 23 m/s. How fast is it moving when it reaches 14 m?

### physics

Which of the following statements is false regarding the ‘drift’ of charge carriers?

### physics

if r1=2ohms, r2=4ohms, r3=6ohms. Then what is the voltmer reading connected in series

### physics

What is the pressure of the water in pascals at the bottom og a lake which is 5 meters deep?

### Physics

What is the reaction of the earth pulling down on a pen that is lying on a table

### physics

A bicycle starts from rest and reaches 6.0 m/s after 4 seconds. What is its acceleration?

### physics

Does the kinetic energy of a car change more when it speeds up from 10 to 15 m/s or from 15 to 20 m/s? Explain.

### physics

Does the kinetic energy of a car change more when it speeds up from 10 to 15 m/s or from 15 to 20 m/s? Explain.

### Physics

If a force of 15kg. wt acts on a mass of 14 kg, what will be its velocity after 8 seconds?

### physics

how much work is done if a force of 12N moves an object a distance of 5m

### Physics

What is the work done when a force of 30Newtons moves through a distance of 20Meters?

### Physics

if a molecules in a solid has a temp of T = hf/2k then what would be the average energy of vibration

### physics

How does a washing machine's 'spin cycle' expel water from clothes?

### physics

Explain why helicopters need 2 rotors to fly in a straight line.

### physics

ifv=(3i+4j+5k)m/s is the instantaneous velocity of a body mass 1.50kg calculate its K.E

### Physics

What is the period of a wave that travels through a spring at 2.5 m/s and has a wavelength of 1.3 meters?

### Physics

1.A Speed Of A Bullet Of Mass 20g Is 200km/h. What Is The Kinectic Energy.

### Physics

How much force does it take to push an 80 lb. steel cart on wheels?