50 g = 0.5 kg. a = 5 / 0.5 = 10 m/s^2.
Answer:
Distance= 3.5/31536000 cm = 1.11 × 10^(-7) cm
Explanation:
Given ;
Average speed = 3.5cm/year
Time= 1 s
Distance = speed × time
Number of seconds in a year = 31536000 sec/year
Distance = 3.5 cm/year × 1/31536000sec/year × 1 s
Distance= 3.5/31536000 cm = 1.11 × 10^(-7) cm
1) temperature
2) pressure
3) concentration
4) surface area
5) the presence of a catalyst
Same force exerted on the hit tennis ball by the racket
D = m / V
D = 272 / 4
D = 68 g/cm³