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Physical Science

12/13/15

How much work must be done on a 20-kg go-cart to increase its speed from 5 m/s to 10 m/s?

A. 250 J B. 750 J C. 1,000 J D. 100 J

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Physical Science

12/10/15

How do i do this?

In an isolated system, two roller skaters, each with a mass of 100 kg, collide. Skater 1 was initially at rest, while Skater 2 was moving at 6 m/s. They move off together. What is their speed? A.... more

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Physical Science

12/10/15

Help! Help!

What will be the stopping distance for a 1,000-kg car moving 20 m/s when you apply a force of -500 N? A. 0.4 m B. 40 m C. 400 m D. 4 m

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Physical Science

12/10/15

Help very much needed!

In an isolated system, Bicyclist 1 and Bicyclist 2, each with a mass of 80 kg, collide. Bicyclist 1 was moving to the right at 8 m/s, while Bicyclist 2 was moving to the left at 2 m/s. What is the... more

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Answers •1

Physical Science

12/10/15

I would appreciate it for your help!

In an isolated system, Bicycle 1 and Bicycle 2, each with a mass of 15 kg, collide. Bicycle 1 was moving to the right at 1 m/s, while Bicycle 2 was moving to the left at 3 m/s. What is the... more

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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

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Answers •2

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

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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

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Answers •1

Physical Science Science

11/09/15

12. Explain properties of ionic compounds.

Need help with study guide

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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.

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Physical Science

11/04/15

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

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Answers •1

Physical Science

11/04/15

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

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Physical Science

10/27/15

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

newton's second law

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Answers •1

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

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Answers •1

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

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Answers •1

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

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Answers •1

Physical Science

09/15/15

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

intertia force mass balance

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Answers •1

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

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Answers •2

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

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Answers •1

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.

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Answers •1

Physical Science Physics Unit Conversion College Physics

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

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Answers •1

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

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Answers •2

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

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Answers •1

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.

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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?

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Answers •1

How much work must be done on a 20-kg go-cart to increase its speed from 5 m/s to 10 m/s?

How do i do this?

Help! Help!

Help very much needed!

I would appreciate it for your help!

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

Find the distance traveled before take off.

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

12. Explain properties of ionic compounds.

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

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

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

Biology Lab - Absorbance vs. Light Intensity

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

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

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

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?

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

Calculate the density.

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

which list of elements contains only metal?

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

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

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

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