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Physics

Cesar Barnett

Boyle's Law states that as the pressure on a gas increases at constant temperature the volume of the gas

A) Increases

B) Decreases

C) Stays the same

D) There is no relationship between pressure and volume

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Physics

Dayami Bowers

Sequence eye light enters the eye

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Physics

Tori Gregory

What does the 4 mean in the formula 4Na2SO3?

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Physics

Gianni Sharp

Under normal conditions, you are just barely able to lift a mass of 74 kg. Your friend drops a box of volume 2.4 m3 into a lake. If you are just able to lift it to the surface (so that it is still completely submerged), what is the mass of the box

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Physics

Claudia Pittman

A car travels 240km in 4h what's the cars velocity

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Physics

Jaylen Shaw

A 130-kW radio station broadcasts its signal uniformly in all directions. Part A) What is the average intensity of its signal at a distance of 7.60 km from the station?

Part B) What is the rms value of the electric field in this radio wave? Express your answer to three significant figures and include appropriate units. Part C) If a 1.22-m receiving antenna is oriented parallel to the electric field of the radio wave, what rms voltage appears between its ends?

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Physics

Abby Nguyen

The position function of an object moving along a straight line is given bys = f (t). The average velocity of the object over the time interval [a, b] is the average rate of change of f over [a, b]; its (instantaneous) velocity at t = a is the rate of change of f at a. A ball is thrown straight up with an initial velocity of 112 ft/sec, so that its height (in feet) after t sec is given by s = f (t) = 112t - 16t2. (a) What is the average velocity of the ball over the following time intervals?[3,4] ft/sec[3,3.5] ft/sec[3,3.1] ft/sec (b) What is the instantaneous velocity at time t = 3?

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Physics

Charity Black

Given all the positive characteristics of Venus, why has space exploration focused so much on Mars?

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Physics

Ramos

answers A 17.0 resistor and a 6.0 resistor are connected in series with a battery. The potential difference across the 6.0 resistor is measured as 15 V. Find the potential difference across the battery.

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Physics

Giada Stewart

For your senior project, you are designing a Geiger tube for detecting radiation in the nuclear physics laboratory. This instrument will consist of a long metal cylindrical tube that has a long straight metal wire running down its central axis. The diameter of the wire will be 0.550 mm and the inside diameter of the tube will be 3.72 cm. The tube is to be filled with a dilute gas in which an electrical discharge (breakdown of the gas) occurs when the electric field reaches 5.55 106 N/C. Determine the maximum linear charge density on the wire if breakdown of the gas is not to happen. Assume that the tube and the wire are infinitely long.

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Physics

Leland Pope

A 3 kg toy car with a speed of 7 m/s collides head-on with a 2 kg car traveling in the opposite direction with a speed of 5 m/s. If the cars are locked together after the collision with a speed of 2.20 m/s, how much kinetic energy is lost?

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Physics

Mollie Ferrell

How could the speed of a car be determined?

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Physics

Guest

The speed of a light wave in a certain transparent material is 0.701 times its speed in vacuum, which is 3.00*108 m/s. When yellow light with a frequency of 5.23*1014 Hz passes through this material, what is its wavelength? in nanometers?

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Physics

Aldo Reese

A voltage of 169 V is applied across a 199 μF capacitor. Calculate the charge stored on the capacitor.

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Physics

Marely Eaton

Waxing gibbous meaning?

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