Define speed
Distance/time
how far something travels in a certain amount of time.
Find the speed if an a car travels 100 miles in 2 hours
50 miles / hour
True or False:
World champion Usain Bolt at top speed can run faster than 15 miles per hour?
True! 23 miles per hour.
Developed in the 1950's by Volvo, this car safety feature prevents people from flying out of their seats.
The seat belt has likely saved over a million lives.
Where was Beyonce born?
Houston, Texas
Define acceleration
speeding up.
It can include changing direction of movement and even negative acceleration (slowing/stopping).
Find the distance traveled: a car moves at 40 miles an hour for 3 hours.
120 miles
True or false: the max speed of a Dodge Challenger Hellcat SRT is over 200 miles an hour.
This safety feature involved a filling a pocket with exploding gases to cushion the impact of car accidents.
Airbags have saved 50-100,000 lives.
Meek Mill hails from the same city as the Liberty Bell... where is he from?
Philadelphia, Pennsylvania
What is deceleration or negative acceleration?
slowing down or stopping.
the car is acceleration at 6 miles per hour per second.
True or false: A commercial jet airliner reaches top speed of 300 miles per hour.
False, commercial airlines top out around 600 miles per hour.
What is automatic braking?
This is a newer technology that automatically stops a car if it sensed another car or pedestrian. This is not yet universal in all cars.
Travis Scott moved to Washington Heights in the Bronx to pursue music, but where was he originally from?
Houston, Texas
Speed in a certain direction
velocity
Calculate the acceleration: a car slows from 50 meters / second to 0 meters per second in 10 seconds.
- 5 meters / second2
OR
slowing down at 5 meters / second2
True or false: the fastest manmade object is traveling at 394,000 miles per hour, nearly half a million miles an hour.
True, the Parker Solar Probe travels at this speed thanks to slingshotting out of Venus' gravity.
Garret Augustus Morgan invented what device in 1914 that signaled when cars could go or had to stop.
the traffic light.
Rihanna now flies around the world as one of the globe's wealthiest musicians, but where was she born?
Barbados, a small country in the Caribbean.
The tendency of an object at rest to stay at rest and an object in motion to stay in motion.
Inertia
What is its acceleration? Clue- dividing by a fraction can make a number larger.
6,000 miles per hour per second.
No, this translates to 45 miles per hour.
This auto safety feature is part of the car's structure. It gradually collapses to release the energy of a crash.
The crumple zone- the collapsing front and back of a vehicle.
Jay Z is well-known as a New Yorker, but can you name what part of New York he comes from?
Brooklyn