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Jude Beatty

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Cards in this guide (15)
When your mass increases what happens to your weight

If your mass increases, your weight also increases.

A ball is rolled uphill a distance of 3 meters before it slows stops and begins to roll back the ball rolls downhill 6 meters before coming to a rest against a tree what is the magnitude of the balls

The magnitude of the balls displacement is 9 meters.

What is the net force acting on a falling object when it reaches terminal velocity

An object falling at terminal velocity is moving at constant speed (that's what terminal velocity means) and we will assume it is not changing direction (i.e. it is falling straight down; in reality it is more likely to be bobbing and weaving on the wind.) Constant speed and direction is another way of saying constant velocity. when an object is acted upon by a net force, it's velocity changes. So, since we know that the velocity is not changing, there is no force.

Which factor determines how fast a butterfly is moving

its size.

What is the acceleration of a 30.0-kg go-kart if the thrust of its engine is 300.0N

what is the acceleration of a 30.0-kg go kart if the thrust of its engine is 300.0 N?

Which describes a force acting on an object

a ball that moves when kicked

Which is produced when a base reacts with water

It produces hydroxide ions - Jon

Which is a characteristic of projectile motion

It has variable acceleration

How does an open parachute increase the air resistance of a falling skydiver

by increasing surface area

What is a cars acceleration if it increases its speed from 5 m s to 20 m s in 3 s

It accelerates at a speed of 5m/s

What describes the effects of forces on an object

Isaac Newton defines force as mass times acceleration.

Why the impact doesnt equally damage the car and the bug

There is little mass to the bug compared to an automobile.

Why does an object have a different weight on the moon than it does on Earth

the earth and moon have different values for the acceleration due to gravity.

Express the hydroxide and hydronium ion concentrations in pure water at 25C

[H3O+] = 1x10^-7 M = hydronium ion concentration
[OH-] = 1x10^-7 M = hydroxide ion concnetration

The Ionization of pure water forms

Hydronium and hydroxide ions

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