1,302 Answered Questions for the topic physical science

Physical Science

12/07/15

Find the power of 10-v line that carries a 1000 ma current?

Find the power of 10-v line that carries a 1000 ma current
Physical Science

11/19/15

Find the distance traveled before take off.

please help me answer this problem A cebu pacific plane bound for kuala lumpur Malaysia accelerate on a running from rest to 3.22 m/s2 for 32.0 s until finnaly takes off. Find the distance... more
Physical Science Wave Lengths

11/09/15

What is the period of a wave with a frequency of 3 Hz and an amplitude of 0.01 m?

A. 0.030s B. 300s C. 0.33s D. 0.0033s
Physical Science Science

11/09/15

12. Explain properties of ionic compounds.

 Need help with study guide
Physical Science

11/06/15

a coyote accelerates 4m/s2 from an initial velocity of 2m/s for 6 seconds. how far does the coyote run?

need the answer for this question.  
Physical Science

11/04/15

list four types of information that you can learn from the periodic table

 list four types of information that you can learn from the periodic table  
Physical Science

10/27/15

a force of 450n is applied to a 9kg object. how fast will it accelerate

 newton's second law  
Physical Science Science Biology Photosynthesis

10/26/15

Biology Lab - Absorbance vs. Light Intensity

Hello,   I recently performed a photosynthesis experiment regarding change in absorbance over time vs. intensity of light. 4 tubes of solutions containing chloroplasts, .1M PO4 buffer, water, and... more
Physical Science

09/27/15

How far can a man travel in 3.0 hrs if he walking at a speed of 2.0 m/s

I need help on this because I don't get it 
Physical Science

09/20/15

A car set from rest then travel west for 5 sec and achieves a speed of 60m/sec. What is acceleration of the car

A car set from rest then travel west for 5 sec and achieves a speed of 60m/sec. What is acceleration of the car
Physical Science

09/15/15

The tendency of an object to resist any change of motion is known as

intertia force mass  balance
Physical Science

09/08/15

An asteroid has a period of 3.4 years. Assuming the asteroid to be at the center of the planet if it had formed , how far would the planet be from the sun?

 I was asked this question in my physical science class.  I don't understand how to get the answer? Please help. Thanks in advance!!!   Asteroids are believed to be material that never collected... more
Physical Science

08/30/15

A ball dropped from a building falls for 4.0 s before it hits the ground. What was its velocity an instant before impact

help solve because i am having trouble getting the answer
Physical Science

08/21/15

Calculate the density.

Laken pipets 5.00 mL of ethanol into a flask weighing 15.25 g. She finds the mass of the flask plus ethanol is 19.17 grams. Calculate the density of ethanol alcohol.

06/24/15

How do you convert kg/m^3 to slug/ft^3? and kg/m^3 to lb/inch^3?

I was given this worksheet in class and my professor refuses to explain it to us. I need help!!    For the given sample: Wooden cube (rectangular). Measure its mass in grams = 171 grams. Find... more
Physical Science Physics Periodic Table

05/22/15

which list of elements contains only metal?

- helium, carbon, gold - sodium, chromium, copper - iodine, iron, nickel -phosphorous, nitrogen, oxygen
Physical Science

05/21/15

Considering the factors that affect gravitational pull, in which location would the gravitational pull from the earth be SMALLEST on you?

A) visiting friends at the beach B) visiting Santa on the second floor of the mall C) visiting Uncle Chrissy in the Himalayan Mountains D) visiting cousin Snelfu in his submarine at the bottom... more
Physical Science

05/12/15

Hamid is viewing an image of a bird produced by a set of concave lenses. What must be true about the image?

A.It is a virtual image. B.It is upside down. C.It is larger than the actual bird. D.It is capable of being projected.
Physical Science Physics Physics B

05/07/15

How can you manage to skip a flat stone over water?

How can you manage to skip a flat stone over water? How can you increase the number of skips? Explain how this works and how it was used in WW2 in a squadron called the Dam Busters?
Physical Science Physics Physics C

05/07/15

Balls, balls and shuttlecocks:

 When a ball moves slowly is experiences laminar flow but when it moves fast there is turbulent airflow. What does this mean? What is the Reynolds number? Why are their dimples on a golf ball?… And... more
Physical Science

04/20/15

How much longer must the minimum length of a plane mirror be for a 6 ft 3 in man to see his complete head-to-toe image than for a 5 ft 4 in woman to do so?

Please help me solve this for physical science. Its about mirrors, lenses, rays, and convexes. 
Physical Science

04/20/15

How much longer must the minimum length of a plane mirror be for a 6 ft 3 in man to see his complete head-to-toe image than for a 5 ft 4 in woman to do so?

Hi I am an undergraduate student at Louisiana Student University Shreveport, and I am majoring in psychology. 
Physical Science

04/18/15

Approximate Temperature??

What is the approximate temperature of the Sun at its surface?    ____ K
Physical Science

04/18/15

Find the distance...

Find the distance in parsecs to Capella, which has an annual parallax of 0.077 arcsec.    ____ pc
Physical Science

04/18/15

Calculate the period T...

Calculate the period T of a planet whose orbit has a semimajor axis of 2.1 AU.   ____ y

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