Math/Physics

206,551 results, page 99

physics

When an electron jumps from the 4th orbit to the 2nd orbit which series line does it get?

Physics

A car is initially traveling at 20 m/s when it accelerates to 35 m/s in a time of 5 seconds. What is the acceleration of the car in m/s^2?

Physics

What is the fundamental frequency for a 58 cm banjo string if the speed of waves on the string is 450 m/s?

Physics

A spring vibrates at 8Hz,when a mass of 0.82kg is hung from it.What is the spring constant?

physics

What is the fundamental frequency for a 60 cm banjo string if the speed of waves on the string is 480 m/s?

Physics

At a certain distance from the center of the Earth, a 4.00-kg object has a weight of 1.95 N. Calculate this distance.

physics 1

a car is being pulled out of the mud by two two ropes

PHYSICS

SILICON DENSITY 1.05G/CM3 1MTR x 1MTR x4MM HEIGHT

physics

How much work can a 22 kW car engine do in 60 seconds if It is 30% efficient It is 100% efficient

physics

An 21.0 , 12.0 , and 5.0 resistor are connected in series with an emf source. The current in the 12.0 resistor is measured to be 4.00 A.

physics

A plane traveling at 260m/s has a speed of Match 0.80. What is the speed of sound in the air

physics

Give an example of an object that moves in a direction opposite the direction of its acceleration

Physics

Give an example of an object that moves with constant acceleration and constant speed.

physics

A lead ball has a volume of 94.3 cm3 at 19.3°C. What is the change in volume when its temperature changes to 34.3°C?

Physics

A lead ball has a volume of 94.3 cm3 at 19.3°C. What is the change in volume when its temperature changes to 34.3°C?

Physics Diploma Q?

a photon drops from -22 eV to a ground state of -89.2 eV. the frequency the photon emits is? [1.62]

Physics

which do you prefer to use, an instrument which is more precise or one which is more accurate? WHY? thanks po! :)

physics

Find the tension T2 of the box hanging from the rope if 1 = 25°, 2 = 65°, T1 = 60.58 newtons, and W = 143.4 newtons

Physics

vertically up at 28m/sec, gravity 9.8 meters/sec^2 = what is max. height

Physics

Add (9.3x10^3) + (9.3x10^4) + (0.011x10^6) using correct significant figures?

Physics

An arrow is shot horizontally from a cliff at 15 m/s land 30 m away. How high is the cliff?

Physics

An arrow is shot horizontally from a cliff at 15 m/s land 30 m away. How high is the cliff?

physics

If an 8N force is applied to a wall for 2 minutes and the wall does not move, how much work is done?

physics

list the contact and non contact forces in mathematics. What is the cold welding?

physics

from equation t equal to root x+3 find velocity and acceleration t equal to 1second

physics

from equation t equal to root x+3 find velocity and acceleration t equal to 1second

physics

Why should we add a the value 273 to change a celcius value in to kelvin.?

physics

A ball is dropped from a height of 18.6 m. What is the velocity of the ball the instant it hits the ground?

physics

How do I find the acceleration on a velocity time graph when the graph has an irregular shape.

physics

A football is kicked 66.6 meters. If the ball is in the air 5.39 s, with what initial velocity was it kicked?

Physics

How many calories will take to convert 5 grams of 90C degree water to 0 C degree?

physics

If Joe weighs 100N on the moon how much will Joe weigh on earth? N & kg

physics

What is the magnitude of displacement for a person that walks 6.0-km North-East, 4.0-km East, and 6.0-km South?

physics

What is the magnitude of displacement for a person that walks 6.0-km North-East, 4.0-km East, and 6.0-km South?

physics

A soccer ball kicked with a force of 14.8 N accelerates at 6 m/s2 to the right. What is the mass of the ball?

physics

an object accelerates at 0.8m/s2 when a resultant force of 200n is acting on it what is the mass of the object

physics

what is acceleration of an object over a 4second period if its starting velocity is 8 m/s and it velocity is 20 m/s?

Physics

a spring with a spring constant k= 1340 N/m is oriented find the rate of compression

physics

The pendulum on a cuckoo clock is 5.00 cm long. (a) Determine the period of this pendulum. (b) What is its frequency?

Physics

What is the equivalent resistance of two resistors of 2 ohm and 3 ohm connected in parallel?

physics

find the magnitude of vector by scalar and vector A= ? + 4j +4k B= ? + 2j + 3k if the angle between them 15 degrees.

physics

The index of refraction of a certain type of glass is 1.58 what is the speed of light in the glass ?

physics

It takes 2.5 J of energy to stretch a helical spring by 15 cm. Determine the spring constant.

physics

Haloke does 179 J of work lifting himself 0.296 m. What is Haloke's mass?

physics

A car is moving at 37 m/s. It slams on its brakes and comes to a stop in 22 m. What was the acceleration from the brakes?

Physics

An arrow was shot vertically upward at a velocity of 50.0 m/s. What was its velocity after 2.00 seconds?

Physics

What force is needed to give a 0.25-kg arrow an acceleration of 196 m/s2? A. 0.25 N B. 49 N C. 196 N D. 748 N

Physics

A car traveling at 20 m/s accelerates at 7 m/s2 for 3 sec. How fast is it now traveling? Please help!

physics

A wave travels 750 meters in 5 minutes. Its wavelength is 16.1 meters. What is its period?

physics

An object has a charge of −2.4 ìC. How many electrons must be removed so that the charge becomes +2.8 ìC

physics capacitor

What voltage is required to store 8.0 x 10-5 C of charge on the plates of a 6.1-μF capacitor?

physics

The temperature of the air outside on a cool morning is 11„aC.What is this temperature on the Kelvin scale?

physics

The temperature of the air outside on a cool morning is 11„aC.What is this temperature on the Kelvin scale?

Physics

Calculate the pH of a solution obtained by mixing 100cm3 of 0.1M HCl and 100cm3 of 0.2M NaOH

Physics

Calculate the pH of a solution obtained by mixing 100cm3 of 0.1M HCl and 100cm3 of 0.2M NaOH

Physics

A cheetah can run with a speed of 29 m/s. Determine the distance travelled by a running cheetah in 8.6 s

Physics

When a light passes from glass to air, which of the following is correct for the path of the light?

physics

A basketball player can leap upward 0.69 m. What is his initial velocity at the start of the leap?

Physics: Pressure Problem

What is the total pressure at the bottom of a lake at a depth of 38m?

physics

Bob is driving 25 m/s and he turns a corner with a radius of 37 m. How much is Bob accelerating?

Physics

A 1200.0-kg car speeds up from 16.0 m/s to 20.0 m/s. How much work was done on the car to increase its speed?

Physics

The temperature of an object is raised by 90ºC. This is equivalent to what increase in its absolute temperature?

physics

A 35,000 kg locomotive is moving at a velocity of 11 m/s east. What is the magnitude of the locomotive's momentum?

Physics

Calculate the water pressure at the bottom of the 110--high water tower

Physics

Help! Calculate the water pressure at the bottom of the 110--high water tower

Physics

A sound wave has a frequency of 686 Hz in air and a wavelength of 0.50 m. What is the temperature of the air?

physics

what will the volume of a gas at 309K if its volume at 215K is 3.42 L? Assume the pressure is constant

Physics

How long is the sound wave if frequency is 320 Hz? Speed of sound =340 m/s

Physics

Take an average 82 kg pet frog, what's it weight on earth? What is it's weight on the moon?

physics

A faint sound with an intensity of 10 -9 W/m2 is measured by an intensity-level meter. What will the reading be in dB?

Physics

When u type on a computer keyboard, do u do work on the computer keys? Pleasee explain

physics

a person travels 1.5 m east then 2 m south then finally 4.5 m east what is the total displacement

physics

How is a parent generation of a fern different from the generation that comes before or after it?

Introduction to Physics

What is the electric charge on the calcium ion in calcium chloride, CaCl2?

Physics Mechanics

An object experiences an impulse o 43.78 N-s for a time period of 12.52 s. what is the force of the object?

Physics Mechanics

An object experiences an impulse o 43.78 N-s for a time period of 12.52 s. what is the force of the object?

Physics

Which is greater, an acceleration from 30 km/h to 40 km/h or an acceleration from 85 km/h to 93 km/h if both occur during the same time?

Physics

A car rounds a curve with a radius of 25 m at a speed 30 m/s. What is the centripetal acceleration of the car?

Physics

what can be the source of error in lab of forces equilibrium,force board lab?

Physics

what can be the source of error in lab of forces equilibrium,force board lab?

physics

0.5 mol of salt (NaCl) is dissolved in 4.5 mol of water. What is the increase in entropy

Physics

1) what does the y intercept on a force vs acceleration graph represent? 2)what is the relationship of mass and acceleration?

Physics

Calculate the water pressure at the bottom of the 100-m-high water tower

physics

A capacitor has circular plates of radius \(r = 12\,cm\) that are a distance \(d = 0.1\,cm\) apart. What is the capacitance of this capacitor in \(F\)?

physics

You walk 51 m to the north, then turn 30° to your right and walk another 45 m. How far are you from where you originally started?

PHYSICS

The tension in the cable supporting a 4900N elevator is 3800N. What is the acceleration of the elevator?

Physics

If a person lifts a 21.9 kg bucket very slowly from a well and does 8.3 kJ of work on the bucket, how deep is the well?

Physics

Find the tension T2 of the box hanging from the rope if 1 = 25°, 2 = 65°, T1 = 60.58 newtons, and W = 143.4 newtons.

PHYSICS, please help quickly

The velocity of an object increases from 5.0 m/s to 15 m/s in 2.0 s. What is the average acceleration of the object? -10 m/s2 -5.0 m/s2 +5.0 m/s2 +10 m/s2

Physics

What is one advantage and one disadvantage of using a ramp? Explain in detail.

physics

A 3kg ball is accelerated from rest to a speed of 10 m/s. What is the ball's change in momentum?

physics

A heat engine receives 7.0 x 10^3 J of heat and loses 3.0 x 10^3 J in each cycle. What is the efficiency? 1-30% 2-43% 3-57% 4-70% 5-100%

Physics

If the spherical ball is negatively charged.How the mass of the sphere or ball get effected?

Physics

If you try to lift a 2 x 10 plank by applying 25 N force but plank does not move did you do any work?

physics

Given the atmospheric pressure is 10 5pa what is a gauge pressure of 0.55 mpa equal to?

Physics

The acceleration due to gravity on Earth is 9.80 m/s2. If the mass of a dog is 40.0 kg, what is the weight of the dog?

Physics

Hello, I need an example of something that travels 7 m/sec or 10 m/sec. Any ideas?

physics

What force exists between a positive charge of 2.6 x 10-6 C and a negative charge of 4.2 x 10-5 C if they are separated by 8 cm?

physics

If h is 5m and the mass takes 3 s to move the distance d when starting from rest, what is the distance d? PLEASEEEEEE!!!!

physics

What is the acceleration of an object if it takes 10 seconds to increase its velocity by 40m/seconds?

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