As the motorcycle moves towards the observer, the frequency of the sound heard will increase due to the Doppler effect, making the sound seem higher pitched. Conversely, when the motorcycle moves away from the observer, the frequency will decrease, causing the sound to seem lower pitched.
Relative means it depends on the person's reference frame/point-of-view. For example, when you're in a moving car, your point-of-view tells you that the car is not moving at all (after all you're inside the car all the time, you only know the car is moving because the objects outside the car are moving against you). But another person standing on the sidewalk will see your moving car as moving at, say, 50 mph.
When direct sunlight heats the sidewalk, the concrete absorbs the sun's energy. This energy increases the temperature of the sidewalk by causing its particles to vibrate more rapidly, resulting in the sidewalk feeling hot to touch.
When direct sunlight heats the sidewalk, the concrete material of the sidewalk absorbs the heat energy and warms up. This causes the molecules within the concrete to move faster, increasing the overall temperature of the sidewalk. The sidewalk then radiates this heat back into the environment, contributing to urban heat island effect.
The force that keeps you from sliding on an icy sidewalk is static friction. Static friction acts when two surfaces are in contact with each other but not moving relative to one another. Once you start moving, the force of kinetic friction takes over to oppose the motion.
When a person pushes against the sidewalk, they exert a force in the opposite direction. According to Newton's third law of motion, for every action, there is an equal and opposite reaction. This means the sidewalk exerts an equal and opposite force on the person, propelling them forward.
NO you big tool
You can't ride a motorcycle on the sidewalk because you would be dangerous to pedestrians.
no but you have to drive on a sidewalk or parking lot or neighborhood, etc. but you cant drive on a highway or streets outside of neighborhoods, think of it as a normal bike
Relative means it depends on the person's reference frame/point-of-view. For example, when you're in a moving car, your point-of-view tells you that the car is not moving at all (after all you're inside the car all the time, you only know the car is moving because the objects outside the car are moving against you). But another person standing on the sidewalk will see your moving car as moving at, say, 50 mph.
no but you have to drive on a sidewalk or parking lot or neighborhood, etc. but you cant drive on a highway or streets outside of neighborhoods, think of it as a normal bike
sidewalk is abiotic
yes sidewalk is an American word.mean to say pavement. sidewalk:-pavement,root
Both, you exert a force onto the sidewalk, and the sidewalk "pushes back" with an equal, but opposite force.
sidewalk in the mornin
The dry sidewalk has more friction compared to the ice on the icy sidewalk
What two things are compared in the simile above? A sidewalk and a pancake A sidewalk and a pancake
maybe the road I don't know that a sidewalk has an antonym. Something that is the opposite of sidewalk? Maybe no walk?