Scalar - it has only and # (or quantity) but NO direction
100
What is the formula for velocity?
velocity = displacement/time
100
What is the definition of acceleration?
Acceleration is the rate at which an object speeds up.
100
Convert 10 meters to centimeters.
0.01 cm
200
What is the formula for speed?
speed = distance/time
200
What is the formula for Time (using the velocity formula)?
time = displacement/velocity
200
What is the formula for acceleration?
A = V final - V initial / t final - t initial
200
What is 1/2?
0.5
300
What is the formula for Time (using the speed equation)?
t = distance/speed
300
What is the formula for Displacement (using Velocity formula)?
displacement = v * t
300
Ms. Lively is driving 90 km/hr when she sees a traffic jam ahead of her. She starts to slow down. What direction is her acceleration? (negative or positive)
Negative
300
What is 2/1?
2
400
What is the formula for Distance (using the speed equation)?
d = s * t
400
Is velocity a vector or a scalar, why?
Vector because it has direction and quantity (#)
400
In a race, John runs a 10 meters/second east. His final time is 50 seconds. What is his initial time and initial velocity?
Zero (0)
400
What is 1/4?
0.25
500
What is the speed of a rocket that travel 42 meters in 10 hours?
4.2 m/hr
500
What is the velocity of a bird that flies 13 meters east in 10 seconds?
1.3 meters/sec east
500
In 2 seconds an object goes from 0 to 300 m/s. What is the acceleration of the object? (remember correct unit!)