Author Question: A car decelerates uniformly and comes to a stop after 10 s. The car's average velocity during ... (Read 44 times)

NguyenJ · **on:** Jul 27, 2018

A car decelerates uniformly and comes to a stop after 10 s. The car's average velocity during deceleration was 50 km/h. What was the car's deceleration while slowing down?

A) 10 km/h-s
B) 5 km/h-s
C) 9.8 m/s2
D) 8 km/h-s
E) 4 km/h-s

Question 2

The surface water temperature on a large, deep lake is 3C. A sensitive temperature probe is lowered several m into the lake. What temperature will the probe record?

A) a temperature warmer than 3C
B) a temperature less than 3C
C) a temperature equal to 3C