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Arrow dynamics
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∙ 12y ago
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What is a car odometer?
Records mileage and speed of the vehicle
Does the material that is made of affect the distance a toy car will roll?
yes
What is the average speed of race car that travels 60mt's in 20 sec?
avg speed=total distance/total time avg speed=60/20=3mtr/sec
Five examples of acceleration?
-- Start a car moving from a stop-sign.-- Slow a car down when approaching a stop-sign.-- Turn a corner in a car.-- Turn a corner on a bicycle.-- Turn a corner on roller-skates.-- Throw a stone at a stop-sign.-- Drop a stone into a pond.-- Throw a stone horizontally half-way across a pond.-- Throw a stone up to get it all the way across a pond.-- The moon sailing around the Earth in its orbit.-- Practically every motion of anything that you ever see during daily life on Earth.We're in the category of here, so we need to be a bit careful abouthow we handle scientific terms like this.Contrary to popular usage, "acceleration" does notmean increasing speed, andan object that's accelerating is not necessarily expected to be moving faster.Acceleration means any change in speed ordirection of motion, and any objectthat's not moving at a constant speed in a straight line is accelerating.A car speeding up after leaving a stop-sign is accelerating, with positive accelerationbecause its speed is growing. A car slowing down as it approaches an intersectionis accelerating, with negative acceleration because its speed is shrinking.A car or bicycle on a curve, as well as the moon and any other object in a gravitationalorbit, is accelerating, because, although its speed may be constant, the directionof its motion is changing.And while we're being more precise than usual, velocityand speed are twodifferent things. Everybody knows what speed is. Velocity is speed and thedirection of the speed. If you drive around a curve at a steady 30 mph (48 kmph),your velocity is changing, because, although your speed is constant, your directionis changing.And any change of velocity is called . . . . . acceleration.
A jack for a car requires a force of 120 lbs to lift a 3000 lb car what is the ratio of the car's weight to the force required to lift the car write the ratio in simplest form?
25:1
How does changing the incline of a hill affect the speed of a car?
Gravity.
How does the weight of a car affect its speed?
The more weight the car has the slower it goes.
How material affect the speed of a car?
Weight
When does gravity affect your car speed?
when you go up and down inclines
How does the size of a toy car affect its speed?
It would affect its speed because the weight of the car is gonna slow it down
How does the weight of a car affect the speed?
Weight wouldn't effect speed but it would effect how quick it would get up to speed.
How does the model of a car affect its speed?
Aerodynamics, weight of the car, horsepower of the engine, are all factors in the speed the car can travel.
How does the weight of a toy car affect the distance it travels?
Gravity, the heavier the object the more force gravity has on it, and the faster it can accell before the force of friction (from the wheels, road surface and air) equal the force of gravity till it hits is maximum speed.
Does a design of a car affect the speed?
The weight, aerodynamics, horse power and gear ratios all affect the speed of an automobile.
How does the size of the driver affect the speed of the car?
the fatter you are, the less speed your car will max out at, but, the more weight, the more momentum
How does wheels affect a car's speed?
because the weight of your wheels and the size has wind Resistance on your car
How does the mass of a toy car affect its speed going down a ramp?
The weight of the car will cause the force of gravity to push it down with seemingly more force than the lighter car. And so this would make the car go faster down a slanted surface, which is the ramp.
