1,308 Answered Questions for the topic physical science

Physical Science

03/02/19

. A trip to Cape Canaveral, Florida takes 10 hours. The distance is 816 km. Calculate the average speed.
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Physical Science

02/26/19

A spitball traveling across a classroom slows down by air resistance by 9 m/s in 2 seconds. What was the acceleration of the spitball?
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Physical Science Math Physics

02/20/19

Speed of a cyclist ( distance, time, speed...)
A student rides her bike from her home to the store and back again. Her average speed to the store is 6.0 m/s, and coming back home it is 4.0 m/s. If the store is 840 m away from her home, what is... more
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Physical Science

02/18/19

2 kg shell is fired from a tank with a force of 500 N. What is its acceleration?
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Physical Science Science

02/15/19

2 Kelly is sledding on a snowy hill in the winter. The energy the sled has as it slides down the hill is a form of

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Physical Science

02/15/19

A bicycle tire is 64 cm in diameter. At what frequency does the tire rotate when the bicycle is traveling at a speed of 40 km/s?
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Physical Science

02/13/19

which atoms have the lowest electronegativity

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Physical Science

02/11/19

A car starts from rest and reaches a speed of 40m/s in 10s. If its acceleration remains same then how fast will it be moving 5s later?
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Physical Science Science

02/07/19

What is the difference between rotation axis and equator
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Physical Science

02/04/19

A train moves from rest to a speed of 25 m/s in 30 seconds what is its acceleration

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Physical Science Solutions

01/31/19

why is it desirable to know the exact concentration of solutions rather than whether they are concentrated or dilute?
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Physical Science Science

01/29/19

what is kinetic energy
energy in which is in motion
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Physical Science

01/27/19

measurement hw help for physical science class
Earth's mass is 5.975 x 10^24k; its volume is 1.08 x 10^21m^3. What is its density in SI units?
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Physical Science

01/27/19

If copper has a density of 8.96 g/cm3, what is the volume of 5,800 g of copper?
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Physical Science Science

01/25/19

Measuring matter
if you have an obiect with a mass of 250 grams and a colume calculated by volume displacement of 522 milliliters what is the desiry of that object?
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Physical Science

01/24/19

How many liters of sodium chloride are created if 6.5 moles of solute is dissolved to make a 0.08 M solution?
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Physical Science

01/24/19

How many hours are required for a radio signal from a space probe near the planet Pluto, 5.97 × 109 km away, to reach Earth? Assume that the radio signal travels at the speed of light, 3.00 × 108 m/s.
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Physical Science

01/16/19

A hot dog bun (volume 260 cm3) with a density of 0.16 g/cm3 is crushed in a picnic cooler into a volume of 145 cm3. What is the new density of the bun?
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Physical Science

01/16/19

What is the volume when 8.30 kg of iron cans are melted, then cooled into a solid cube? [the density of iron cans is 7.87 g/cm3]
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Physical Science Geology

01/10/19

What physical characteristics of the bedrock are responsible for the oldest rock remaining at the highest elevation?
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Physical Science

12/21/18

Carbon burns in the presence of oxygen to give carbon dioxide. Which chemical equation describes this reaction?
carbon + oxygen + carbon dioxidecarbon + oxygen → carbon dioxidecarbon dioxide → carbon + oxygen carbon dioxide + carbon → oxygen
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Physical Science

12/21/18

What kind of chemical reaction does the chemical equation sodium + chlorine → sodium chloride represent?
CombustionDecompositionSingle ReplacementSynthesis
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Physical Science

12/20/18

speed and velocity
a car is driving west on a highway at 25 m/s. what is the car's km/h and velocity?
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Physical Science

12/17/18

do sound waves carry energy
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Physical Science

12/14/18

A force 300 N is applied to a box for 10 seconds in order to move the box 10 m. What is the power
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