Math/Physics

211,502 results, page 42

physics

Two point charges, +3.63 µC and -5.95 µC, are separated by 1.18 m. What is the electric potential midway between them?

physics

Two point charges, +3.30 µC and -5.50 µC, are separated by 1.29 m. What is the electric potential midway between them?

PHYSICS

WHAT IS MAGNITUDE OF NORMAL FORCE IN FIGURE WITH V=+3M/S +10n INSIDE BOX IS 5KG

PHYSICS

WHAT IS MAGNITUDE OF NORMAL FORCE IN FIGURE WITH V=+3M/S +10n INSIDE BOX IS 5KG

PHYSICS

Can someone please explain friction. i don't even understand the concepts parts!

physics

how much energy was released by a 60 kg cannon shooting an 8 kg projectile horizontally at 50m/s?

physics

lava ball is shot straight up at 28m/s what is speed after 3 seconds

physics

If your car has a mass of 770 kg, how much force is required to accelerate it forward at 4.98 m/s2?

Physics

What is the average power output of a weightlifter who can lift 260 kg to a height of 1.9 m in 1.8 seconds?

physics

Calculate the net force needed to give an acceleration of 0,5m/s to a trolley with a mass of 1,5 kg

physics

If your car accelerates from rest at a steady rate of 4 m/s2, how soon will it reach 81 km/h (50.3 mph or 22.5 m/s)?

physics

What is the force of gravity between two spheres that have a mass of 6 kg and are separated by 36 m?

physics

What is the force of gravity between two spheres that have a mass of m1 =13 kg, m2 = 49 kg and are separated by 35 m?

physics

A ball is thrown vertically upward at 14.7 m/s. Show that its maximum height will be 11m.

PHYSICS

A 69.0 firefighter climbs a flight of stairs 22.0 high. How much work is required?

Physics

A 200N sign hangs and makes a 15.5 angle with the horizontal. What is the Tension in each rope?

Physics

Is it true that a drop of water can pass through a solid travelling by 1800m/s2?

Physics

Could a rubber band be used to replace the spring in a Hooke's Law experiment? Why/ why not?

Physics

how high does a stone rise if it is initially thrown at a rate of 15m/sec

Physics

How much work must be done to stop a 1250 kg car traveling at 105 km/h?

Physics

If an 80-kg sprinter can accelerate from a standing start to a speed of 10 m/s in 3 s, what average power is generated?

physics

calculate the speed of an 7.3*10^4kg airliner with a kinetic energy of 1.4*10^9J. answer in units of m/s.

physics

How much work is required to stop an electron (m = 9.11 10-31 kg) which is moving with a speed of 2 106 m/s?

physics

For S.H.M, a graph of acceleration against displacement gives a slope of 16 unit. The period is

Physics

Describe how surface area and volume are related in solids? Give an example.

Physics

Describe how you can determine the specific heat of an unknown metal whose mass is known.

physics

How much heat is absorbed by an electric refrigerator in charging 2 Kg of water at 15°C to ice at 0°C?

physics

Determine the resulting temperature when 150g of ice at 0°C is mixed with 300g of water at 50°C

Physics please help!!

A 12.1 g CD with a radius of 6.16 cm rotates with an angular speed of 31.1 rad/s. What is its kinetic energy?

Physics please help!!

A 12.1 g CD with a radius of 6.16 cm rotates with an angular speed of 31.1 rad/s. What is its kinetic energy?

Physics please help!!

A 12.1 g CD with a radius of 6.16 cm rotates with an angular speed of 31.1 rad/s. What is its kinetic energy?

physics

What happens to the gravitational energy of a firefighter when he slides down the fire poles?

AP Physics

A car slows down from 18 m/s to rest in a distance of 91 m. What was its acceleration, assumed constant?

physics

You are driving a car with a power output of 56,000 Watts. How many seconds will it take to go from 0 m/s to 27 m/s?

physics

The density of a solid ball with a mass of 231 g and a volume of 110 cm^3 is ____ g/cm^3.

Physics

if the frequency of a particular electromagnetic wave is 4 x 10^14 hertz, what is its wavelength of the radiation in nanometers (nm)?

Physics

What is a node? i'm supposed to label the nodes in a diagram of a wave but i can't find it anywhere

physics

the minute hand of a large clock is 2 m long. what is its mean angular speed?

Physics

If a +q charge is placed at d in the x-axis (x_0<d), what happens to the total electric field in 1?

physics

how much work is done by an engine using 105 watts of power in 3.2 seconds?

Physics

If a +q charge is placed at d in the x-axis (x_0<d), what happens to the total electric field in 1?

physics help!

The displacement of an object is given by y = (4.6 cm) sin 28ðt. (a) What is the amplitude? (b) What is the frequency? (c) What is the period?

physics

Find the electric field at the folowing radii from the center of this charge configuration.

physics

if V = (10x-10y)i + 30k find pressure change between points (0,0,0) and (3,1,0)

physics

What is the value of the gravitational acceleration at a height of 2000 km above the surface of the Earth?

physics

If a coffee can has a radius of 63.0 cm and a height of 15.8 cm find its volume round to neaerest cm3

physics

The third longest wavelength in the Paschen series in hydrogen corresponds to what transitions?

physics

In LCR series AC circuit when does the effective voltage lag behind the current?

physics

At what speed should an object be projected to reach the maximum range of 200 m ?

physics

what are the two forces that affect the motion of a child as she comes down a slide?

physics

What is the wavelength of the peak of the blackbody radiation curve for the human body (T = 310 K)?

Physics

How much energy is deposited in the body of a 78 kg adult exposed to a 2.9 Gy dose? Please and thank you.

Physics

What is the acceleration of a proton moving with a speed of 4.3 m/s at right angles to a magnetic field of 2.1 T?

physics ---- really dnt get this at all

Will the photoelectric effect change for different targets

physics

How will the current in a wire change as the wavelength of light changes? I have no idea how to do this.

physics

How will the current in a wire change as the wavelength of light changes? I have no idea how to do this.

physics

find the maximum voltage that can be applied to a 8 kohm resistor rated 0.50 Watt?

physics

find the maximum voltage that can be appliedto a 8 k ohm resistor rated 0.50 watt?

physics

find the maximum voltage that can be applied ti 8 k ohms resistor rated 50 Watt?

physics

How high could one horse raise a 100N weight (10kg) in 1 second?

physics

a suitcase weighs 30 kg wt.everytime i weigh it on a spring balance,the reading is different.WHY?

Integrated Physics and Chemistry

The ____ motion of a star can be determined by studying its spectrum

Physics

What is the resistance of a 4.00 m length of copper wire having a diameter of 2.00 mm at a temperature of 20 degrees?

physics

How will changing the distance change the electric field strength for a given charge?

physics

how can you say that thickness of a material varies as it is a constant value. discuss with in 50 words.

Physics

How do you make a Balloon Car? Is there another way accept just blowing it up and letting it go?

physics

where would the image of a 4.0 cm tall object that is 12 cm in front of a flat mirror be located?

physics

What Net Force is necessary to give a 2.0 kg mass initially at rest an acceleration of 5.0 m/s^2?

physics

the speed of a bullet of mass is 40gram is 216km/h what is the kinetic energy in joule

physics

expressions for the force experienced by the charge when it enters the magnetic field at an angle?

Physics

In the photoelectric effect, what happens to the stopping voltage when the light frequency is decreased?

physics

how is the position of a particle moving along a straight line described by a number

physics

Which of :acceleration,age,speed,temperature,and velocity are vector quantities? Are any of them scalars?

physics

A car travels in a straight line for 3.7h at a constant speed of 63 km/h. What is the acceleration? Answer in m/s^2

Physics

The electric field at the surface of a uniformly charged sphere of radius 6.0cm is 90 kN/c .

physics

A particle at rest undergoes an acceleration of 2.5 m/s^2 to the right and 3.2 m/s^2 up. What is its speed after 5.9s? Answer in m/s

PHYSICS

When you have more pulleys does the mechanical advantage and efficiency increase or decrease?

physics

before ice can form on a lake, all the water must be cooled to?

physics

Calculate the quantity of heat required to raise the temperature of 2.00 g of water 4.00◦C.

physics

A tuning fork produces a wave at 280 Hz and with a wavelength of 1.5 m. Calculate its velocity.

Physics

As a rocket accelerates upward, its thrust remains constant but its acceleration increases. what is the cause of this?

physics

What's the speed of the Hubble telescope when it is in orbit 598 km above the earths surface?

physics

What's the speed of the Hubble telescope when it is in orbit 598 km above the earths surface?

Physics

Question: When a balloon is rubbed with fur, it becomes negatively charged. Explain why?

physics

A distance runner moves at a constant pace of 4.1m/s. how far (in m) does he move in 30 minutes?

physics

stone dropped from a tower if steady wind blows in the horizontal direction

physics

Start from the origin and go east for 80km. Then go north 192 km. Make a drawing.

physics

what happens when a resistor is used to heat a brass rod and allowed to cool?

physics

Two vectors A and B are added. Show that the magnitude of the resultant cannot be greater than A+B or smaller than l A-B l.

Physics

Two point charges, +3.09 µC and -5.65 µC, are separated by 1.19 m. What is the electric potential midway between them

Physics

A motorist travels 90 km at 120km/h , and 70km at 75km/h . What is the average speed for the trip?

physics

A baseball goes from zero to 40 m/s in 0.206 s. What is its average acceleration? Answer in units of m/s2

physics

if a 1 kg rock is thrown at a speed of 20m/s, how much kinetic energy does it have?

physics

if a ball is thrown into the air at a speed of 22 m/s what is its position after 2.8 seconds?

Physics

Does an object still possess any kinetic or potential energy at absolute zero?

physics

A bus that is traveling at 35.0 km/h, speeds up at a constant rate of 3.4 m/s2. What velocity does it reach 6.8 s later?

physics

Two point charges, +4.00 ìC and -7.00 ìC, are separated by 2.20 m. What is the electric potential midway between them?

Science: Physics

A circle graph has labeled segments of 5.7%, 21%, 13, and 6%. What % does the unlabeled segment have?

physics

What is the kinetic energy of a car of mass 1900 kg moving at a constant speed of 21 m/s

physics

a 1200 kg car goes from 15m/s in 16s. What is the average force acting on it?

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