Yeah the answer is number 5
Answer:
7
Step-by-step explanation:
70% of 10 is 7
Answer:
To get the number
The last number minus the first number
Divide by distance
Plus one
Last number: 201
First number: 5
Distance: 4
201-5 = 196
196.4 = 49
49 + 1 = 50
The formula of the kinetic energy is:
K.E =
mv²
The given are
K.E = 100 J
v = 5 m/s
Plug them in:
100 =
m × (5)²
100 =
m × 25
100 = 12.5m
Divide by 12.5 on either sides to isolate m
=
12.5 and 12.5 cancels out
8 kg = m
The mass of the baseball that has a kinetic energy of 100 J and speed of 5 m/s is 8 kg