Math/Physics

208,687 results, page 38

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?

Physics

calculate K.E in Joules of a baseball w/ a mass of 237.2 cg moving at 85.00 mph

Physics

How meny watts need to up the 18kg in 4mtr per 15 second

physics

What is the effect of increasing the inclination of the track to the acceleration of the rider in the experiment?

Physics

When a mass is hung from a spring stretches it by 15 cm. What is the period of the oscillations of this system?

physics

Cylinder water tank 80cms height 1000liters what is its diameter

physics

If a car has a mass of 400 kg and a velocity of 30 m/s to the east, what is the magnitude of its momentum?

Physics

Find the centripetal acceleration of a car that rounds an 80 m radius curve at 10 m/s.

PHYSICS

If that charge is 3.7 μC , by what percentage does the mass of a 31 g comb change during charging?

physics

What force is needed to accelerate a child on a sled (total mass = 60 kg) at 1.25 m/s2?

Physics

How much heat is needed to melt 14.3kg of silver that is initially at 44°C?

Physics

Which of the following wavelengths will produce standing waves on a string that is 1.9 m long? A.1.9 B.3.3 C.3.5 D.95

physics

a skydiver has amass of 140 kg.at what speed will she have a momentum of 10,000 kg m/s?

physics 1

what is the peiod of vibrating object which an acceleration of 8.0m/s .when its displacement is 1.0m?what should be the answer?

physics 1

what is the peiod of vibrating object which an acceleration of 8.0m/s .when its displacement is 1.0m?what should be the answer?

Physics

A charge q is placed at h distance from the base of centre . Find the flux ?

Physics

In what part of the electromagnetic spectrum does the wavelength 0.0141 nanometers belong in?

physics

lighted matchstick brought near the negatively charged electroscope

physics

Two instances during which the heating effect of current is not required

Physics

What effect do the following forces have on point? 100N, 30 degrees E of N

physics

Instances where the heating effect of current is not required. Plssss helllp

physics

Instances where the heating effect of current is not required. Plssss helllp

Physics

A car travels at a speed of 70km/h. What distance will it cover in 30 minutes

Physics

A car travels at a speed of 70km/h. What distance will it cover in 30 minutes

physics

if a body moves 3m north,then 4m East and finally 6m South.what will be the displacement?

Physics

Does the speed of sound in air depend on the frequency of the wave? V=[(gamma.RT)/M]^(1/2)

Physics

A 900 W toaster operates for 2.50 minutes. How much energy does it use?

physics with algebra

what is the area, and its approximate uncertainty, of a square of side 3.1x10^4 cm?

physics

A car accelerates from rest at -2.10 m/s2. a. What is the velocity at the end of 4.0 s? b. What is the displacement after 4.0 s?

Physics

What’s the specific heat of a material if it takes 6.5 kJ to increase the temperature of a 1.8 kg sample by 6.4 ∘C ?

Physics

Does a ball that is rolled on a floor speed up before slowing down?

Physics

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