Question

during the first second of take off a rocket travelled 208 km in 50 mins at a constant rate suppose a penny is dropped from a skyscraper and could travel 153 km in 1/2 an hour at a constant rate which of these have a faster unit rate per hour ? how much faster?

Answer 1

Answer:

The penny :- 56.4 km/hr faster.

Step-by-step explanation:

Rate per hour of the rocket =  (208 * 60) / 50 = 249.6 km/hr.

Rate per hour for the penny =   153 * 60 / 30 = 306 km/hr.

The penny travels faster by 306 - 249.6

= 56.4 km/hr.

Answer 2

56.4 km/ hr is the answer