# Math/Physics

207,240 results, page 27

### Physics

What is a mirror ( reflective surface and back) made out of?

### physics

Why is 9.8 used as g on Earth but nowhere else in the solar system? Explain.

### physics

Is there any investigations of forced oscillations of the spring-mass system?

### physics

The wavelength of yellow sodium light is 589 nm. What is its frequency? 1 Hz

### physics

if a piston is insulated and being pushed, is the temperature increased

### Physics

Find the components of the vector with length = 1.00 and angle 30.0 as shown.

### Physics

the energy of a ball rolling up an inclined place plane is?

### physics

If the borderline is tau equals zero,the eigen values are?

### physics

a 20.0L sample of hydrogen gas has a mass of 1.80g. What will its density be in g/ml?

### physics

how much energy is needed to heat 50 grams of ethanol

### Physics

Two vectors are given by a = 3.7i + 6.9j, and b = 1.9i + 4.7j. Find (b) a·b = (c) (a + b)·b = (d) the component of a in the direction of b = .

### AP physics

A car travels 35 km west and 75 km north. what distance did it travel?

### Physics

Why solids conduct better heat than liquids and gases ?

### Physics

the mechanical energy of a body is the difference of its KE and PE. true or false

### Physics

What is the scientific principle involved in unmanned level crossing?

### Physics

What is the scientific principle involved in unmanned level crossing?

### physics

What is the kinetic energy of a 19 kg dog that is running at a speed of 7.4 m/s (about 17 mi/h)?

### physics

What is the kinetic energy of a 26 kg dog that is running at a speed of 8.4 m/s (about 19 mi/h)?

### Physics

What is the relationship between velocity, acceleration, mass and force?

### physics

A 200 kg motorcycle accelerates at 0.02 m/s2. What force produced this acceleration?

### physics

How much force is needed to accelerate a 78kg skier 2m/s/s/

### Physics

Give 3 examples of applications of the conservation of angular momentum.

### physics

how long does it take an object ti accelerate from 25 mi/hr if it acclerates at 50 mi/hr squared

### Physics

The result of 1.51751x10^4 divided by 6.451x10^3 to 2 significant figures is?

### Physics

Define the term "complementary colours"?PLEASE GUYZ

### Physics

briefly explain why can it be dangerous to touch a charged capacitor?

### physics

to find friction force do you use the equation n=mg cos

### Physics

What physical phenomenom might produce emission spectra?

### Physics

A sports car accelerates from rest to 89 km/h in 6.1s . What is its average acceleration in

### Physics

A sports car accelerates from rest to 89 km/h in 6.1s . What is its average acceleration in

### physics

THERE ARE 10 WAYS TO DRAW A CIRCUIT WITH FOUR 5OHM RESISTORS. WHAT ARE THEY?

### Physics

what is the kinetic energy in joules of a 1040-kg automobile traveling at 81 km/h ?

### physics

2.0g bullet fired with speed of 44.5m/s what is the kinetic? is there any conversions involved?

### physics

A 2.15 kg book is dropped from a height of 1.8 m. a) What is its acceleration? Answer in units of m/s2.

### Physics

(Delete the spaces between the characters for the URL of the question): h t t p : / / g o o . g l / E 9 M X o

### Physics & Calc

Derive the stationary target equations: v1 = [(m1-m2)/(m1+m2)]v1 v2 = [(2m1)/(m1 + m2)] v1

### physics

you measure the period of a 2.0m pendulum and find it is 2.8s. what is the value of g at your location?

### physics

You push down on a 3 N box for 10 Minutes. How much work was done?

### physics

Three vectors, A, B, C have the following x and y components: Ax = 6.7, Ay= -2.3; Bx = -5.5, By = 4.5; Cx = 3.2, Cy = 7.2. What is the magnitude of A + B + C ?

### Physics

What are the basic uses of a CRO (cathode ray oscilloscope) Thanks

### Physics

the force required to accelerate a mass of 10.0kg at 4.00m/s^2 is

### physics

An object has 90.38 Joules of energy and it is traveling at 11.26 m/s. What is the objects mass?

### physics

how much work does a woman do if she exerts a force of 75N for 3m?

### Physics

how many sig figs do you use for estimated absolute uncertainties?

### physics

a 1200 kg car has KE=300,000 J. What is the cars velocity?

### physics

find the kinetic energy of an 8kg mass moving at 5m/s

### Physics

What force is required to accelerate an object having a mass of 3 kg at 5 m/s2?

### physics

Why can't you hit a feather in mid-air with a force of 200 N?

### physics

why is the current the same in the resistor and the thermistor in a series circuit? thanks :)

### physics

what happens if the cars on the roller coaster has too slow speed?

### physics

Objects that allow bulbs to light when inserted in a circuit

### physics

Before a collision, a 28 kg object is moving at +13 m/s. Find the impulse

### physics

why is earth bulged at the equator?will any one explain me about this?

### Physics

How do you determine the average velocity on a position-time graph?

### Physics

How do the initial and final horizontal velocities of a projectile compare?

### Physics

How does the index of refraction relate to the speed of light in a substance?

### Physics

When an object is immersed in a fluid describe the buoyant force?

### physics

Your weight is 110 lb. What is your mass in kilograms? Answer in units of kg.

### Physics

What is the power output of an engine the does 60,000J of work in 10s?

### physics

if the length of a pendulum is 0.8m what is the period if the angular deflection is 30 degrees?

### physics

how many cubic centimeters are in a block of brass weighing 34 grams?

### Physics

how do i find the volume of a block of platinum weighing 45.5 kilos

### physics

calculate the force between two 5.0 kg spheres that are 2.5 m apart.

### physics

calculate the force between two 5.0 kg spheres that are 2.5 m apart.

### physics

What voltage is required to store 6.90 10-5 C of charge on the plates of a 7.00-µF capacitor?

### Physics

find the x- and y- component of vector R which has a length of 13cm at 30.0 degrees

### Physics

How much heat is required to raise the temperature of 70 g of water from 20 C to 80 C?

### physics

A mass of 10kg moves with a velocity of 4m/s. What is its kinetic enery

### physics

What are the x and y components of a velocity vector of magnitude 1.00 x 10^2 km/h and direction of 240?

### physics

how i cld rise the base of a house wd the help f electric circuit

### physics

A point charge of -7.9 microcoulomb is at the origin. What is the electric potential at (3.0, - 3.0)?

### physics

What is the kinetic energy of a 20 kg dog that is running at a speed of 7.3 m/s (about 16 mi/h)?

### Physics

Gind the force between charges of +10.o uC and -50.0 uC located 20.0 cm apart

### physics

how do types of nuclear radiation differ in electric charge?

### physics

How can you change the temperature of two objects to reach equilibrium

### Physics

How many rpm's will a 2'' Nd45 sphere do spinning at 340.29 m/s. Please help me!! =(

### Physics

How many rpm's will a 2'' Nd45 sphere do spinning at 340.29 m/s. Please help me!! =(

### physics

if you raise a ball 1m and it has a mass of 50g, how much work was done?

### Physics

What is the mass of the air in a room that has dimensions of 10m x 30m x 4m?

### Physics

The gravitational force between two objects is proportional to what

### physics

what potential difference is required to pass 3.0 A through 28 ohm's

### physics

What is the potential energy of an object that has a mass of 5 kg and is on a shelft that is 2 m high

### physics

A 2.32 kg book is dropped from a height of +3.7 m. a.) What is its acceleration? b.) What is its weight in newtons?

### Physics

A proton has a mass of 1.672 X 10 -27 kg. What is its weight? (using 9.81 for gravity)

### physics

how do i find the amount of work done when given mass and speed?

### physics

A car accelerates from 25km/hr to 55km/hr in 30 seconds. What is its acceleration?

### Physics

How much work is needed to lift a 3 kg mass a distance of 0.75 m?

### Physics

The work done on an object with a mass of 50 kg raised 3 meters is ________ Nm.

### physics

for the equation y = y0 + vy0t + at^2/2, how to I get t alone. Im looking to slove for time

### physics

What forces are acting on a puck that is on an air hockey table?

### physics

what is the kinetic energy of a bear with a mass of 65 Kg and running at a speed of 20 m/s ?

### physics

wat careers are associated with newtons law of motion

### physics

a suicase measrues 1.0m x 0.5m x 0.2m it has a mass of 10kg, what is its weight in newtons?

### physics

What is the difference between the second and third Newton’s Laws?

### physics

when can an object have its original mass but zero weight?

### Physics

what is the formula used to find time with an Vo at 0, Vf at 22 m/s2, and a constant velocity at 1.7 m/s2?

### Physics

how does the MA and the IMA of the inclined plane vary with the inclination angle?

### Physics

how does the MA and the IMA of the inclined plane vary with the inclination angle?

### physics

what will happen if we suspend a brick with a newton metre in water