Answer:
0.7 hours
Explanation:
From the way back, we can calculate the distance between Irina's work and Irina's home. In fact, we know that the car takes 0.4 hourse traveling at 27 mph, so the distance covered should be
When Irina rides to work with her bike, she travels at a speed of 16 mph. So we can find the time she takes by dividing the total distance (10.8 miles) by her speed:
water waves
radio waves
ultraviolet waves
waves in a wheat field
Mechanical waves;
Electromagnetic waves
Among the following substances, Gasoline is a mixture. The correct option is (b).
Octane, heptane, and other hydrocarbon molecules obtained from petroleum are all mixed together to make petrol. The gasoline utilized in engines is not a single, pure material but rather a mixture of several different compounds.
Baking soda (a), salt (c), and sugar (d) are pure ingredients as opposed to mixes. While sugar (sucrose) is a pure organic component, baking soda (sodium bicarbonate) and salt (sodium chloride) are substances with particular chemical compositions.
Hence, the correct option is (b).
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Answer:
theg watte wil shajka
Explanation:
bshswu
There is a chemical change because the liquid water, after passing an electric current, produces hydrogen and oxygen gases. This is a reaction. The molecular component of eater has been broken down into two. These two gases have different structures compared to water.
2.4 m/s
0.42 m/s
1.9 m/s
A water wave travels 36 meters in 15 seconds. What is the speed of the wave?
2.4 m/s