Asked by Jennnifer
ALWAYS use significant figure rules. Remember that these rules apply to all numbers that are measurements.
An object is dropped from a platform 400 ft high. Ignoring wind resistance, what will its speed be when it reaches the ground?
12,800 ft/s
7800 ft/s
160 ft/s
89 ft/s
An object is dropped from a platform 400 ft high. Ignoring wind resistance, what will its speed be when it reaches the ground?
12,800 ft/s
7800 ft/s
160 ft/s
89 ft/s