Math/Physics

208,687 results, page 37

physics

An astronaut shoots you in space given that the bullet is weightless, could it injure you?

physics

Complete the following nuclear reaction: ^16,v8 O + ^4, v2 He → ________ + ^19, v10 Ne 1p 1n 2H 3H

Physics

convert 220 degree into radians show work.

Physics 1

What is the rotational kinetic energy of the Earth in its orbit around the sun?

physics

why salt mixed in water before keeping egg and boil it?

physics

explain why we sweat when it is hot? How does it help us? In terms of heat and temperature what happens

AP Physics B

how much heat does it take to melt 4.2 kg of ice at 0c? Answer in kcal

physics

find the moment of inertia of the earth. Radius is 6,000 km and mass is 6 x 10^24 kg

Physics

How long would the year be if the distince of the earth from the sun where 20% more?

Physics

Resolve a force of 7.5N acting at an angle 40 to its horizontal an vertical components.

physics

How much heat is added to 10.5 g of ice at -20.0°C to convert it to steam at 123.5°C?

Physics

Am i correct? If a 10.0 kW device pulls 20.0 A of current, what voltage exists across it? A. 5.0 *10^0 V B. 5.0 *10^1 V C. 5.0 *10^2 V D. 5.0 *10^3 V <---

Physics

Explanation of twin paradox in regards to special relativity theory.

physics

How many electrons pass through a lamp in 3 minutes.If the current is 300 ma?

physics

The escape velocity on the moon is: a) 5.64x10^6 m/s b) 1.68x10^3 c) 160 m/s d) 2.38x10^3 m/s

physics

If Zulfiqar fold this colored paper as shown in the image, which cube will he get? A C B D

physics

The time required for a car to reach 28.5 m/s from rest, accelerating at 3.70 m/s2 is __________ .

physics

When an object travelling at 12.7 m/s [E] speeds up to a velocity of 21.5 m/s [E] in 3.45 s, the magnitude of the acceleration is __________m/s2.

Physics

At what distance from the earth's surface will a mass of 40.0 kg be just 385.0 in weight?

Physics

What is the application of simple harmonic motion to our daily lives?

Physics II

What is the sign and magnitude of a point charge that produces a potential of -2.00 V at a distance of 3.00 mm?

Physics II

What is the sign and magnitude of a point charge that produces a potential of -2.00 V at a distance of 3.00 mm?

physics

A person swims with a speed v realative to water What dose this mean?

physics

A sports car accelerates from rest to 86km/h\, km/h in 5.2s\, s . What is its average acceleration in m/s2{\rm{m/s}}^2.

Physics

How long is Mayra, a ballerina, in the air when she leaps straight up with a speed of 1.23 m/s?

Physics

How long is Mayra, a ballerina, in the air when she leaps striaght up with a speed of 1.23 m/s?

physics

Need quick help with this question. Is electric force directly proportional to 1/r or 1/r^2?

physics

what is the pressure exerted on the ground by a cube which has a weight of 600n and a side of 1m

Physics College

What is the rate of deceleration of a 1400-kg SUV that is going 75.0 km/h and then slows to 25.0 km/h in 8.20 s?

physics

Explain why the line touches the x-axis at approximately 30oC and 45oC.

physics

What would be the resultant vector with an angle of 30° with the +x axis and has a y component of 1.2 Newtons?

Physics

Why is it important to use the maximum force reading from a data collection?

physics

What would be the resultant vector with an angle of 30° with the +x axis and has a y component of 8.9 Newtons?

Physics

A 70 kg woman pushes on a wall at 35 newtons and recoils. What is the magnitude of the force?

physics

A tank of 10m height is filled half what will be pressure at bottom

physics

What is the electric field intensity of a point 15cm from a charge 15microcoulomb

physics

A car accelerates from rest at 2.57 m/s2. What is the velocity at the end of 5.4 s? Answer in units of m/s

physics

which of acceleration age speed temperature and velocity are vector quantities

physics

A 2.7 kg object falls from a tower. It experiences 2.3 N of air resistance. What is the acceleration?

Physics

show that the oscillation of a liquid in a u-tube is in simple harmonic motion.

Physics

If the speed of the wave is 330 per sec calculate the wavelength

Physics help please

A 0.504 m length of conducting wire carrying a current of 62.1 A is?

Physics-

How can anything accelerate if every force has and equal and opposite counterpart?

physics

a body moving at 40 m/s accelerates at the rate of 8m/s^2. what is the distance it transverses in 15 seconds?

physics

if a force of 3000 n can move a crate at an acceleration of 10 m/s2, what is the mass of the object

physics

A man weighs 750.0 N on Earth at what altitude will he weigh 187.5 N?

physics

what impulse is needed to slow a 45kg object from 15m/s to 12m/s?

physics

an object is dropped from a vertical cliff. How long does it take to reach 85 km/h?

physics

How much work is done on a lawn mower pulled 3.4 m by a force of 54 N at an angle of 10°?

Physics

An object has a volume of 4.0m^3 and weighs 40,000 Newtons. What will be its weight in water?

physics

weight of a person in newton on mars who weigh 882N on earth ( g = 9.8m/s^2)

physics

masses of 3,5,7,8 kg are suspended at equal distances of 1 m from rod.Find the CG of the arrangement.

Science

guys, please give me any ideas for a investigatory project in physics ???

physics

The standard piece of apparatus used to measure distance in the laboratory is what?

physics 105

How many cubic feet will 44lb of CO2 occupy at STP

physics

What is an object that is launched into the air and undergoes free fall

physics

Is the charge on the surface of the earth due to an excess or a deficit of electrons?

Physics

Calculate the acceleration of a plane when it changes its speed from 0m/s to 250m/s in 12 seconds

Physics

What is the wavelength of visible light emit- ted at 4.2 × 108 MHz?

Physics

62m of skid marks and coefficient of .75, how fast was the car going?

physics

why we derive our hands upwards and backwards to catch the ball?

physics

A car has a uniform velocity of 108km/h. How far does it travel in 1/2 min

physics

Heat can never flow from ________. how come it is cold to hot?

physics

if an iron cube of volume 400cm3 is immersed in water,the upthrust will be?

mathematical physics

Determine the directional derivative of phi =xy^z in the direction i^-2j^+2k^ at the point (3, 1, -1)

Physics

How are lights in schools usually wired... Series or parallel circuits?

physics

what is relative velocity?Answer with an example & description also a diagram.

Physics

a freight train has two engines, each with a mass of 50,000 kg. pulling

physics

At what altitude should a satellite be placed into circular orbit

physics

why is the momentum constant if the mango drops from the tree without rebound

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

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