Motion

You walk 10 meters to math class in 20 seconds. Your average speed is answer choices a. 2 m/s b. 0.5 m/s c. 200 m/s d. 5 m/s

b. 0.5 m/s

Grayson walks 5 meters in 5 seconds. What is his average speed? answer choices a. 25 m/sec b. 1 m/sec c. 5 m/sec d .25 m/sec

b. 1 m/sec

The graph represents answer choices a. no motion b. Constant velocity c. Acceleration d. negative acceleration

b. Constant velocity

What is velocity? answer choices a. Time + Distance b. Speed in a given direction c. A fast dinosaur d. The direction a storm is moving

b. Speed in a given direction

The distance an object travels per unit of time (how far, how fast) is called: answer choices a. direction b. speed c. acceleration d. deceleration

b. speed

On a distance vs. time graph, the steeper the slope _____ answer choices a. the slower the speed b. the faster the speed c. less acceleration d. greater acceleration

b. the faster the speed

The graph represents answer choices a. No motion b. Constant Velocity c. Acceleration d. Deceleration

c. Acceleration

What is the SI unit for speed answer choices a. Km b. s c. m/s d. m/s^2

c. m/s

What is the SI unit for acceleration? answer choices a. m/s b. m c. m/s^2 d. s

c. m/s^2

The graph represents answer choices a. no motion b. Constant velocity c. Acceleration d. negative acceleration

d. negative acceleration

What is the equation to find speed? answer choices a. s=t/d b. s=d x t c. s=d/f d. s=d/t

d. s=d/t

A place or object used for comparison to determine if another object is in motion is called a answer choices a. comparison point b. reference point c. point of view d. motion detector

b. reference point

A distance vs. time graph shows an object's answer choices a. frame of reference b. speed c. acceleration d. favorite food

b. speed

When something has speed in a certain direction it is called ___________. answer choices a. motion b. position c. velocity d. speed

c. velocity

Acceleration of an object happens when things ________ answer choices a. slow down b. go faster c. change direction (turn) d. All of the above

d. All of the above

Change in speed over a given period of time is answer choices a. velocity b. motion c. speed d. acceleration

d. acceleration

The rate at which velocity changes is called answer choices a. motion b. average speed c. instantaneous speed d. acceleration

d. acceleration

The process of changing distance or position from another object answer choices a. reference point b. location c. acceleration d. motion

d. motion

The formula: ? = D/T with direction is used to find answer choices a. Velocity b. Speed c. Force d. Acceleration

a. Velocity

The rate at which velocity CHANGES is: answer choices a. acceleration b. speed c. direction d. physics

a. acceleration

I want to find the average speed of a triathlon race. What steps would I take? answer choices a. add up total distance, add up total time, divide total distance by total time b. add up total distance, add up total speed, divide distance by speed c. Add up total time and subtract total distance

a. add up total distance, add up total time, divide total distance by total time

On a distance-versus-time graph, a straight line ALWAYS indicates that an object's speed is _____. answer choices a. constant b. zero c. increasing d. decreasing

a. constant

Speed = answer choices a. distance / time b. time / distance c. distance * time

a. distance / time

An object is _____ if its position changes relative to another object. answer choices a. in motion b. at reset c. a frame of refence d. magical

a. in motion