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# bloguero

Questions6
• ### A series RL circuit like the figure has ε0 = 60 V , R = 21 Ω , and L = 1.5 H?

Find the rate of change of the current 0.18s later

• ### Converge or Diverge? Math equations?

Which of these equations converges?

• ### A solid sphere 24 cm in radius carries 17 μC , distributed uniformly throughout its volume?

A solid sphere 24 cm in radius carries 17 μC , distributed uniformly throughout its volume.

Find the electric field strength 14 cm from the sphere's center.

• ### A 61 kg swimmer climbs onto a Styrofoam block whose density is 160 kg/m^3?

A 61 kg swimmer climbs onto a Styrofoam block whose density is 160 kg/m^3. If the water level comes right to the top of the Styrofoam, what is the block's volume? in m^3.

• ### A 1.2 cm -diameter venturi flowmeter is inserted in a 2.2 cm -diameter pipe carrying water (density =1000 kg/m3)?

A 1.2 cm -diameter venturi flowmeter is inserted in a 2.2 cm -diameter pipe carrying water (density =1000 kg/m3). The pressure difference between venturi and unconstricted pipe is 15 kPa.

1. What is the flow speed in the pipe? in m/s

2. What is the volume flow rate? in m^3/s

• ### A solid bowling ball is released from a bowler's hand rotating at 30rad/s?

A solid bowling ball is released from a bowler's hand rotating at 30rad/s. If the ball weighs 8kg and has a radius of 10cm, how much work was done to bring about that rotation?

• ### Planet X is more massive than our Earth and has an acceleration due to gravity equal to 2g?

Planet X is more massive than our Earth and has an acceleration due to gravity equal to 2g. What is the ratio of the angular frequency for a pendulum of length L on the two planets, W-x/W-earth?

• ### A portion of a roller-coaster track is described by h=x-0.01x^2 where h and x are the height and horizontal position in meters.?

A portion of a roller-coaster track is described by h=x-0.01x^2 where h and x are the height and horizontal position in meters. Find the equilibrium point. Is it stable? Why or why not?

• ### A 1 kg mass undergoes simple harmonic motion with Amplitude A=0.1 m connected to a spring with a spring constant k =100N/m?

A 1 kg mass undergoes simple harmonic motion with Amplitude A=0.1 m connected to a spring with a spring constant k =100N/m.

What is the total energy of the system? (In Joules)

• ### Piecewise function in Desmos?

This is my piecewise function:

v(t) = 0.45t² – 9t – 10 when 0≤t≤10

. . . = 55 when 10<t

How would I set up the equation using the following dimensions?

xmin = 0 to xmax = 15y

min =−65 to ymax = 10

• ### You're flying in a twin-engine turboprop aircraft, with its two propellers turning at 981 and 997 rpm, respectively?

You're flying in a twin-engine turboprop aircraft, with its two propellers turning at 981 and 997 rpm, respectively. How often to you hear a peak in the engine sound?

• ### The surface area of a raindrop increases as it falls?

The surface area of a raindrop increases as it falls. Therefore, the air resistance to its falling increases as it falls until it reaches terminal velocity where the velocity becomes a constant. Assume that a raindrop has an initial velocity of -10 m/s and its acceleration is: [SEE IMAGE].

Define a piece-wise function that represents the velocity, in m/sec, of the raindrop at time t seconds.

• ### A 56 kg uniform board 2.36 m long is supported by a pivot 79 cm from the left end and by a scale at the right end?

A 56 kg uniform board 2.36 m long is supported by a pivot 79 cm from the left end and by a scale at the right end.

1. Where should the 43 kg child sit if the scale is to read 100 N? in cm FROM THE LEFT END OF THE BOARD.

2. Where should the 43 kg child sit if the scale is to read 300 N? in cm FROM THE LEFT END OF THE BOARD.

• ### Physics Question, Help!?

In the figure the lower disk, of mass 450g and radius 3.1 cm , is rotating at 180 rpm on a frictionless shaft of negligible radius. The upper disk, of mass 270 g and radius 2.0 cm , is initially not rotating. It drops freely down onto the lower disk, and frictional forces bring the two disks to a common rotational speed.

A. Find the common speed.

B. Find the fraction of the initial kinetic energy lost to friction.

A car is headed north at 62 km/h. Give the magnitude of the angular velocity of its 64-cm-diameter wheels. The answer should be in terms of s^-1.

Physics10 months ago
• ### ¿es buena esta pc para video juegos?

Intel Core i5 2450M Processor 2.5GHz ( 4CPUs )

6GB DIMM RAM

500GB 5400RPM Hard Drive

14-Inch Screen, Intel HD Graphics 3000

DirectX 11

quisiera saber si esa pc es buena para video juegos en HD por ejemplo: Bioshock Infinite

Thief

Assassins Creed etc...

• ### ¿donde cayo sandra bullock en la pelicula gravity?

en que parte del mundo cayo sandra bullock en la pelicula gravity?

gracias

• ### ¿Porque no puedo cambiar mi foto de perfil de twitter?

tengo una foto de perfil puesta, cuando la cambio solo dura un minuto puesta y después vuelve a cambiar a la anterior, aveces ni me la cambia, que pasa?

URGENTEEE...

1 AnswerOtros - Internet7 years ago
• ### ¿Como centrar la descripcion de mi tumblr?

Hola, quiero centrar mi descripción en tumblr, ya he intentado dejando espacios pero sigue igual, esta al lado izquierdo y quiero centrarlo, tengo que editar el HTML?, díganme que hago?

URGENTE

1 AnswerOtros - Internet7 years ago