Flashcards in Physics 1.0 Deck (15):

1

## A ball of clay is thrown at a wall at a velocity of 28.0 m/s. After it hits the wall, it takes 0.020 s to stop. What is the acceleration of the clay when it hits the wall?

### -1400m/s^2

2

##
Lexi runs west for 1600 meters over the course of 400 seconds. What is Lexi's velocity

d = 1600 meters

t = 400 seconds

### 4 m/s to the west

3

## When an unbalanced force acts on an object, the force...

### Changes the motion of the object

4

## When something has speed in a certain direction it is called ___________.

### Velocity

5

## What is the SI unit for speed

### M/s

6

## A car goes from 0 m/s to 60 m/s in a period of 5 seconds find its acceleration.

### 12 m/s^2

7

## Amy runs 2 miles south, then turns around and runs 3 miles north. What is her displacement?

### 1 mile

8

## If Ben is walking 3 m/s to the north and Lauren is walking 3 m/s to the west, then which of the following is true

### They have the same speed and different velocities

9

## A dog runs with an initial speed of 7.5 m/s on a waxed floor. It slides to a stop in 15 seconds. What is the acceleration?

### -0.5m/s^2

10

## The rate at which velocity changes is called

### Acceleration

11

## What is the equation to find speed?

### S=d/t

12

## Scalar

###
Distance

Time

Speed

13

## Vector

###
Velocity

Acceleration

Displacement

14

## Contact force

###
Friction

Air resistance

Push/pull

15