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EXIT TEST
5. The graph below shows the velocity of a car at two-second intervals.
30
Velocity (m/sec)
0
20
10
Time (seconds)
Which of the following is the acceleration of the car?

Sara is creating an experiment. her hypothesis states the following. if i increase the air in my tires, then i will get better gas mileage. if this is her hypothesis what column titles do we need in our date table? a. air pressure in tire (psi) and gas mileage (mph) b. air pressure in the atmosphere (psi) and gas mileage (mph) c. miles (m) and gallons per mile (g) d. old battery and new battery

A10 kg box initially at rest is pulled 18 meters across a horizontal, frictionless surface by a 40 n force. what is the block’s final velocity over the 18 meters?

What does the law of conservation of mass state?